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Point where an orbit crosses a plane of reference to which it is inclined
An orbital node is either of the two points where an orbiting object intersects a plane of reference inclined with respect to the orbital plane. A non-inclined
Orbital_node
Defining the orbit of an object in space
the ascending node, also known as the right ascension of the ascending node, is one of the orbital elements used to specify the orbit of an object in
Longitude of the ascending node
Longitude_of_the_ascending_node
Intersection of Moon's orbit with Earth's ecliptic
A lunar node is either of the two orbital nodes of the Moon; that is, the two points at which the orbit of the Moon intersects the orbit of Earth (the
Lunar_node
Parameters that define a specific orbit
Orbital elements are the parameters required to uniquely identify a specific orbit. In celestial mechanics these elements are considered in two-body systems
Orbital_elements
Type of geocentric orbit
an orbit arranged so that, for each revolution of the planet around the Sun, its orbital plane (specifically the longitude of the ascending node) precesses
Sun-synchronous_orbit
Specifies the orbit of an object in space
ω (omega), is one of the orbital elements of an orbiting body. Parametrically, ω is the angle from the body's ascending node to its periapsis, measured
Argument_of_periapsis
Rotation of a satellite as it orbits
Nodal precession is the precession of the orbital plane (more specifically, the line of nodes) of a satellite around the rotational axis of an astronomical
Nodal_precession
Topics referred to by the same term
reference Lunar node, where the orbits of the Sun and Moon intersect Longitude of the ascending node, how orbital nodes are parameterized Lymph node, an immune
Node
Time an astronomical object takes to complete one orbit around another object
reciprocal is the orbital frequency, a kind of revolution frequency, in units of hertz. According to Kepler's Third Law, the orbital period T of two point
Orbital_period
The Moon's circuit around Earth
needed][relevant?] However, because the orbital velocity of the Moon around Earth (1 km/s) is small compared to the orbital velocity of Earth about the Sun (30 km/s)
Orbit_of_the_Moon
Spaceflight maneuver
Orbital inclination change is an orbital maneuver aimed at changing the inclination of an orbiting body's orbit. This maneuver is also known as an orbital
Orbital_inclination_change
Field of classical mechanics concerned with the motion of spacecraft
of orbital transfer between non-coplanar orbits, the change-of-plane thrust must be made at the point where the orbital planes intersect (the "node").
Orbital_mechanics
Function describing an electron in an atom
{\displaystyle m_{s}} . The simple names s orbital, p orbital, d orbital, and f orbital refer to orbitals with angular momentum quantum number ℓ = 0, 1, 2
Atomic_orbital
Hindu deity representing ascending lunar node
ascension of the Moon in its precessional orbit around the Earth, also referred to as the north lunar node, and along with Ketu, is a "shadow planet"
Rahu
Type of orbit around an astronomical body
called an ecliptic orbit. As non-inclined orbits lack nodes, the ascending node is undefined, as well as its related classical orbital elements, the longitude
Near-equatorial_orbit
Either of two extreme points in a celestial object's orbit
Saturn, Uranus, and Neptune. The orbital nodes are the two end points of the "line of nodes" where a planet's tilted orbit intersects the plane of reference;
Apsis
Angle between a reference plane and the plane of an orbit
Orbital inclination measures the tilt of an object's orbit around a celestial body. It is expressed as the angle between a reference plane and the orbital
Orbital_inclination
Quasi-periodic orbital trajectory
trajectory In orbital mechanics, a Lissajous orbit (pronounced [li.sa.ʒu]), named after Jules Antoine Lissajous, is a quasi-periodic orbital trajectory that
Lissajous_orbit
Movement during spaceflight
In spaceflight, an orbital maneuver (otherwise known as a burn) is the use of propulsion systems to change the orbit of a spacecraft. For spacecraft far
Orbital_maneuver
Amount by which an orbit deviates from a perfect circle
astrodynamics, the orbital eccentricity of an astronomical object is a dimensionless parameter that determines the amount by which its orbit around another
Orbital_eccentricity
Moon stops moving north or south
Moon, the lunar nodes, and the perigee. Lunistices occur near in time to equinoxes and eclipses. This is because the Moon's orbital inclination has periodic
Lunar_standstill
direction of the orbiting object and a specified plane of reference. orbital mechanics orbital node One of two points at which the plane of an orbit intersects
Glossary_of_astronomy
Russian global navigation satellite system
satellites are located in middle circular orbit at 19,100 km (11,900 mi) altitude with a 64.8° inclination and an orbital period of 11 hours and 16 minutes (every
GLONASS
Transfer manoeuvre between two orbits
astronautics, the Hohmann transfer orbit (/ˈhoʊmən/) is an orbital maneuver used to transfer a spacecraft between two orbits of different altitudes around
Hohmann_transfer_orbit
Trajectory of Earth around the Sun
center of the orbit is relatively close to the center of the Sun (relative to the size of the orbit). As seen from Earth, the planet's orbital prograde motion
Earth's_orbit
Concept in geometry and physics
longitude of the ascending node (Ω). By definition, the reference plane for the Solar System is usually considered to be Earth's orbital plane, which defines
Orbital_plane
Speed at which a body orbits around the barycenter of a system
the orbital speed of an astronomical body or object (e.g. planet, moon, artificial satellite, spacecraft, or star) is the speed at which it orbits around
Orbital_speed
US components of the International Space Station
depends on the Russian Orbital Segment for essential flight control, orbital station-keeping and life support systems. The US Orbital Segment consists of
US_Orbital_Segment
American module of the International Space Station
NASA, serves as the critical link between the orbiting laboratory's Russian Orbital Segment and US Orbital Segment. Unity was launched on December 4, 1998
Unity_(ISS_module)
of the longitude of ascending node Ω (measured on ecliptic plane) and the argument of periapsis ω (measured on orbital plane): ϖ = Ω + ω {\displaystyle
Longitude_of_periapsis
Parameter of Keplerian orbits
ν by 2π − ν) where: v is the orbital velocity vector of the orbiting body, e is the eccentricity vector, r is the orbital position vector (segment FP in
True_anomaly
Horizontal (bowl appearance) crescent
Libration Lunar precession Lunar standstill Nodal precession Orbit of the Moon Orbital node Lunar node Harrington, Philip; Pascuzzi, Edward (2023-09-21). Astronomy
Wet_moon
Term in geometry; longest and shortest semidiameters of an ellipse
barycentric orbital speed is 1.010 km/s, whilst the Earth's is 0.012 km/s. The total of these speeds gives a geocentric lunar average orbital speed of 1
Semi-major and semi-minor axes
Semi-major_and_semi-minor_axes
Periodic, three-dimensional orbit
Halo orbit A halo orbit is a periodic, non-planar orbit associated with one of the L1, L2 or L3 Lagrange points in the three-body problem of orbital mechanics
Halo_orbit
Point with minimum wave amplitude
radial and angular nodes. A radial node for the hydrogen atom is a sphere that occurs where the wavefunction for an atomic orbital is equal to zero, while
Node_(physics)
Type of orbit
{\displaystyle v_{o}} is orbital velocity of a body in circular orbit. For a body moving along this kind of trajectory the orbital equation is: r = h 2 μ
Parabolic_trajectory
Mixing (superposition) of atomic orbitals
In chemistry, orbital hybridisation (or hybridization) is the concept of mixing atomic orbitals to form new hybrid orbitals (with different energies,
Orbital_hybridisation
Quantum number denoting orbital angular momentum
number for an atomic orbital that determines its orbital angular momentum and describes aspects of the angular shape of the orbital. The azimuthal quantum
Azimuthal_quantum_number
Type of high-latitude satellite orbit
It is a highly elliptical orbit with an inclination of 63.4 degrees, an argument of perigee of 270 degrees, and an orbital period of about half a sidereal
Molniya_orbit
Concept in gravitational orbital mechanics
{\frac {2GM}{r}}}} For a given orbital radius, the escape velocity will be 2 {\displaystyle {\sqrt {2}}} times the orbital velocity. Specific total energy
Vis-viva_equation
Kepler orbit with an eccentricity of less than one
axis the orbital period does not depend on the eccentricity (See also: Kepler's third law). Under standard assumptions, the specific orbital energy (
Elliptic_orbit
Proposed Russian space station
Orbital Service Station, is a proposed Russian orbital space station scheduled to begin construction in 2028. Initially an evolution of the Orbital Piloted
Russian_Orbital_Station
Spaceflight operation
In spaceflight an orbit insertion is an orbital maneuver which adjusts a spacecraft’s trajectory, allowing entry into an orbit around a planet, moon, or
Orbit_insertion
Time between successive new moons
lunar nodes and eat the Sun or Moon during an eclipse. A solar or lunar eclipse is possible only when the Moon is at or near either of its orbital nodes, the
Lunar_month
Parameter in the gravitational two-body problem
}{2a}}\end{aligned}}} where v {\displaystyle v} is the relative orbital speed; r {\displaystyle r} is the orbital distance between the bodies; μ = G ( m 1 + m 2 ) {\displaystyle
Specific_orbital_energy
Process that leads to gradual decrease of the distance between two orbiting bodies
detectable gravitational waves. Orbital decay is caused by one or more mechanisms which absorb energy from the orbital motion, such as fluid friction,
Orbital_decay
Proposed low Earth orbit space station
Orbital Reef is a low Earth orbit (LEO) space station under development. It is designed by Blue Origin and Sierra Space for commercial space activities
Orbital_Reef
Classical approach to the many-body problem of astronomy
is frequently perturbed Osculating orbit Orbit modeling Orbital resonance Perturbation theory Proper orbital elements Stability of the Solar System Footnotes
Perturbation_(astronomy)
Equilibrium points near two orbiting bodies
increasing the object's orbital period. The closer to Earth the object is, the greater this effect is. At the L1 point, the object's orbital period becomes exactly
Lagrange_point
Curved path of an object around a point
mechanics, an orbit is the curved trajectory of an object under the influence of an attracting force. Alternatively, it is known as an orbital revolution
Orbit
Mathematical equation describing the motion of a rocket
applied to orbital maneuvers in order to determine how much propellant is needed to change to a particular new orbit, or to find the new orbit as the result
Tsiolkovsky_rocket_equation
Orbit with a fixed distance from the barycenter
{v^{2}}{r}}\,={\omega ^{2}}{r}} where: v {\displaystyle v\,} is the orbital velocity of the orbiting body, r {\displaystyle r\,} is radius of the circle ω {\displaystyle
Circular_orbit
Path on the surface of the Earth or another body directly below an aircraft or satellite
east. As the orbital period of a satellite increases, approaching the rotational period of the Earth (in other words, as its average orbital speed slows
Satellite_ground_track
Orbit of an object around the Moon
that make most unstable, and leave only a few orbital trajectories possible for indefinite frozen orbits. These would be useful for long-term stays in
Lunar_orbit
Estimation of orbits of objects
{h}}.} The ascending node vector is a vector pointing from the central body to the ascending node of the orbital plane of the orbiting body. Since the line
Orbit_determination
Orbit around Earth between 160 and 2000 km
Earth's radius). Objects in orbits that pass through this zone, even if they have an apogee further out or are sub-orbital, are carefully tracked since
Low_Earth_orbit
Horizontal angle from north or other reference cardinal direction
on Astrodynamics Orbital mechanics Orbital elements Apsis Argument of periapsis Eccentricity Inclination Mean anomaly Orbital nodes Semi-major axis True
Azimuth
Transfer orbit used to reach geosynchronous or geostationary orbit
cost to send a spacecraft to such orbits is very high due to their high orbital radius. A GTO is an intermediary orbit used to make this process more efficient
Geostationary_transfer_orbit
Center of mass of multiple bodies orbiting each other
the mass of the secondary in Earth masses (M🜨) a (km) is the average orbital distance between the centers of the two bodies r1 (km) is the distance
Barycenter_(astronomy)
Laws describing planetary orbits
square of a planet's orbital period is proportional to the cube of the length of the semi-major axis of its orbit. The elliptical orbits of planets were indicated
Kepler's laws of planetary motion
Kepler's_laws_of_planetary_motion
Device or point within a network capable of creating, receiving, or transmitting data
In networking, a node (Latin: nodus, 'knot') is either a redistribution point or a communication endpoint within telecommunication networks or computer
Node_(networking)
Elliptical orbit used to move a spacecraft from one circular orbit to another
In orbital mechanics, a transfer orbit is an intermediate elliptical orbit that is used to move a spacecraft in an orbital maneuver from one circular
Transfer_orbit
Concept in astrodynamics
Orbital Mechanics & Astrodynamics by Bryan Weber: https://orbital-mechanics.space/the-orbit-equation/hyperbolic-trajectories.html Trajectories Orbits
Hyperbolic_trajectory
Concept in celestial mechanics
Earth orbit of 200 km). The required additional change in speed, however, is far less because the spacecraft already has a significant orbital speed (in
Escape_velocity
Molecular orbital which weakens chemical bonding
In theoretical chemistry, an antibonding orbital is a type of molecular orbital that weakens the chemical bond between two atoms and helps to raise the
Antibonding_molecular_orbital
Specifies the orbit of an object in space
if it moved in a circular orbit, with constant speed, in the same orbital period as the actual body in its elliptical orbit. Define T as the time required
Mean_anomaly
Celestial coordinate system
An orbital pole is either point at the ends of the orbital normal, an imaginary line segment that runs through a focus of an orbit (of a revolving body
Orbital_pole
Branch of engineering
lift and aeronautics). Astrodynamics – the study of orbital mechanics including prediction of orbital elements when given a select few variables. While
Aerospace_engineering
Type of spacecraft maneuver
a spacecraft to burn its fuel is at the lowest possible orbital periapsis, when its orbital velocity (and so, its kinetic energy) is greatest. In some
Oberth_effect
Hypothetical Solar System planet
Planet Nine's orbit. This causes orbital poles of the ETNOs on average to be tilted toward one side and their longitudes of ascending nodes to be clustered
Planet_Nine
Spacecraft end-of-life orbit
2015-03-07. "FCC Enters Orbital Debris Debate". Space.com. Archived from the original on March 8, 2005. "US Government Orbital Debris Standard Practices"
Graveyard_orbit
Circular orbit above Earth's Equator and following the direction of Earth's rotation
following the direction of Earth's rotation. An object in such an orbit has an orbital period equal to Earth's rotational period, one sidereal day, and
Geostationary_orbit
Motion problem in classical mechanics
sometimes described as "orbiting" its nucleus, following an early conjecture of Niels Bohr (this is the source of the term "orbital"). However, electrons
Two-body_problem
Modular space station in low Earth orbit
divided into two main sections: the Russian Orbital Segment (ROS), developed by Roscosmos, and the US Orbital Segment (USOS), built by NASA, ESA, JAXA,
International_Space_Station
orbit at an altitude of 20,200 kilometers (12,600 mi) with an orbital period of almost 12 hours. Geosynchronous orbit (GSO) and geostationary orbit (GEO)
List_of_orbits
Regular and periodic mutual gravitational influence of orbiting bodies
mechanics, orbital resonance occurs when orbiting bodies exert regular, periodic gravitational influence on each other, usually because their orbital periods
Orbital_resonance
Calculation and prediction of eclipses
plane of Earth's orbit, i.e. when its ecliptic latitude is low. This happens when the Moon is around either of the two orbital nodes on the ecliptic at
Eclipse_cycle
Plane used to define orbital elements
mechanics, the orbital plane of reference (or orbital reference plane) is the plane used to define orbital elements (positions). The two main orbital elements
Orbital_plane_of_reference
Movement of Mercury across the Sun viewed from further away
node of its orbit, it passes through the orbital plane of the Earth. If an inferior conjunction occurs as Mercury is passing through its orbital node
Transit_of_Mercury
Moment in time used as a reference point in astronomy
the disciplines of celestial mechanics or its subfield orbital mechanics (for predicting orbital paths and positions for bodies in motion under the gravitational
Epoch_(astronomy)
Wobble of the axis of rotation
period of 18.6 years, the same as that of the precession of the Moon's orbital nodes. However, there are other significant periodic terms that must be accounted
Nutation
Natural satellites orbiting Pluto
and the Sun. This occurs when one of the satellites' orbital nodes (the points where their orbits cross Pluto's ecliptic) lines up with Pluto and the Sun
Moons_of_Pluto
Space navigation technique
gravitational slingshot in orbital mechanics, is a type of spaceflight flyby which makes use of the relative movement (e.g. orbit around the Sun) and gravity
Gravity_assist
List of definitions of terms and concepts commonly used in aerospace engineering
the orbital velocity vector (delta v) at the orbital nodes (i.e. the point where the initial and desired orbits intersect, the line of orbital nodes is
Glossary of aerospace engineering
Glossary_of_aerospace_engineering
Branch of astronomy
planets, moons, and comets. Orbital mechanics focuses on spacecraft trajectories, including orbital maneuvers, orbital plane changes, and interplanetary
Celestial_mechanics
Moon of Eris
pronunciation at How I Killed Pluto and Why It Had It Coming The orbital period (P) is 15.774 d. The orbital circumference (C) is 2π*semi-major axis. Dividing these
Dysnomia_(moon)
passages of the satellite through either of its orbital nodes, typically the ascending node. This type of orbital period applies to artificial satellites, like
Nodal_period
Small near-Earth asteroid
Apollo asteroid with a semi-major axis of 1.003 AU, an orbital eccentricity of 0.108, and an orbital inclination of approximately 2°, placing it in the low-eccentricity
2025_PN7
Proposed Russian space station
The Orbital Piloted Assembly and Experiment Complex (Russian: Орбитальный Пилотируемый Сборочно-Экспериментальный Комплекс, Orbital'nyj Pilotirujemyj
Orbital Piloted Assembly and Experiment Complex
Orbital_Piloted_Assembly_and_Experiment_Complex
Type of orbital maneuver
aerospace engineering, the bi-elliptic transfer is an orbital maneuver that moves a spacecraft from one orbit to another and may, in certain situations, require
Bi-elliptic_transfer
ascending node, Multon, F. R. (1970). An Introduction to Celestial Mechanics (2nd ed.). New York, NY: Dover. pp. 182–183. Roy, A. E. (1978). Orbital Motion
True_longitude
Quantum-mechanical explanation of chemical bonding
chemistry, the bonding orbital is used in molecular orbital (MO) theory to describe the attractive interactions between the atomic orbitals of two or more atoms
Bonding_molecular_orbital
Russian components of the International Space Station
The Russian Orbital Segment (ROS) is the name given to the components of the International Space Station (ISS) constructed in Russia and operated by the
Russian_Orbital_Segment
Periodic change in the direction of a rotation axis
gives the observed excess turning rate of 43 arcseconds per century. Orbital nodes also precess over time. Larmor precession – Movement of an object's
Precession
Earth-centered orbit above low Earth orbit and below geostationary orbit
where R is the radius of orbit in metres; T is the orbital period in seconds; V is the orbital speed in m/s; G is the gravitational constant, approximately
Medium_Earth_orbit
Hindu deity representing descending lunar node
(i.e. 'south') lunar node in Vedic, or Hindu astrology. Personified as a deity, Rāhu (, the ascending (i.e. 'north') lunar node) and Ketu are considered
Ketu_(mythology)
Orbital data format
three-line element set (3LE) is a data format encoding a list of orbital elements of an Earth-orbiting object for a given point in time, the epoch. Using a suitable
Two-line_element_set
Highly elliptical and highly inclined synchronous orbit
Tundra orbit (Russian: орбита «Тундра») is a highly elliptical geosynchronous orbit with a high inclination (approximately 63.4°), an orbital period of
Tundra_orbit
Problem in physics and celestial mechanics
predict a planet's motion; i.e., to give its orbital properties: position, orbital diameter, period and orbital velocity. Having done so, he and others soon
N-body_problem
Apparent path of the Sun on the celestial sphere
ecliptic because their orbital planes are very close to Earth's. The Moon also appears near the plane, with the Moon's orbital plane inclined only 5.1°
Ecliptic
ORBITAL NODE
ORBITAL NODE
Girl/Female
Assamese, Hindu, Indian, Kannada, Malayalam, Marathi, Sindhi, Telugu
Offering
Boy/Male
Biblical Hebrew
The father of the dew; or of the shadow.
Girl/Female
Tamil
Orpita | ஓரà¯à®ªà®¿à®¤à®¾
Offering
Orpita | ஓரà¯à®ªà®¿à®¤à®¾
Girl/Female
Hindu, Indian, Kashmiri
A Music ( a Node of Music )
Boy/Male
Indian
Orbit, Eye socket, Argument
Female
English
Variant spelling of English Abital, AVITAL means "my father is dew." In the bible, this is the name of one of David's wives.Â
Boy/Male
Arabic, Hindu, Indian, Muslim, Sindhi
One who Argues a Lot; Orbit; Eye Socket; Orgument; Debate
Girl/Female
Indian
Dreams
Female
English
Anglicized form of Hebrew Abiytal, ABITAL means "my father is dew." In the bible, this is the name of one of David's wives.Â
Girl/Female
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Circumference of the Orbit; Limit; Realm
Boy/Male
Anglo Saxon
A British god.
Girl/Female
Tamil
Loved one
Girl/Female
Australian, Latin
Golden
Girl/Female
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Loved One
Boy/Male
Muslim/Islamic
Orbit eye socket, Orgument, debate
Boy/Male
Muslim
Orbit, Eye socket, Argument
Biblical
the father of the dew; or of the shadow,father of the dew
ORBITAL NODE
ORBITAL NODE
Boy/Male
Muslim
Servant of the depriver
Boy/Male
Tamil
Abhijeet | அபிஜிதÂ
Lord Krishna, One who is victorious (Abhijeet)
Girl/Female
Indian
Beautiful
Boy/Male
Indian
Beautiful; Joyful; Lovable
Boy/Male
Hindu
Wide, Wood, Forest, Life
Boy/Male
Arabic, Australian, Muslim
Proofs; Arguments
Boy/Male
Muslim/Islamic
Servant of the Everlasting
Girl/Female
Hindu, Indian, Malayalam
Ray of Sun
Boy/Male
Indian, Punjabi, Sikh
Religious Place
Boy/Male
Hindu, Indian
Capable
ORBITAL NODE
ORBITAL NODE
ORBITAL NODE
ORBITAL NODE
ORBITAL NODE
n.
Alt. of Orbity
n.
A sleeve covering the arm from the elbow to the hand.
a.
Spherical; orbicular; orblike; circular.
n.
A word or number denoting order or succession.
n.
The book of forms for making, ordaining, and consecrating bishops, priests, and deacons.
a.
Having the orbital index relatively large; having the orbits narrow transversely; -- opposed to microseme.
a.
Of the length of a cubit.
n.
A book containing the rubrics of the Mass.
a.
Having the orbital index relatively small; having the orbits broad transversely; -- opposed to megaseme.
a.
Orbital.
a.
Orbital.
a.
Indicating order or succession; as, the ordinal numbers, first, second, third, etc.
a.
Alt. of Orbical
a.
Of or pertaining to obits, or days when obits are celebrated; as, obitual days.
a.
Of or pertaining to an order.
n.
The path described by a heavenly body in its periodical revolution around another body; as, the orbit of Jupiter, of the earth, of the moon.
a.
Of or pertaining to the cubit or ulna; as, the cubital nerve; the cubital artery; the cubital muscle.
a.
Situated around the orbit; as, the orbitary feathers of a bird.
a.
Of or pertaining to an orbit.
a.
Having a medium orbital index; having orbits neither broad nor narrow; between megaseme and microseme.