• Thumbnail for Orbital node
    An orbital node is either of the two points where an orbit intersects a plane of reference to which it is inclined. A non-inclined orbit, which is contained...
    9 KB (951 words) - 03:10, 24 October 2024
  • Thumbnail for Longitude of the ascending node
    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...
    5 KB (678 words) - 01:48, 25 September 2024
  • Thumbnail for Lunar node
    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 ecliptic. The ascending...
    15 KB (1,966 words) - 16:26, 26 February 2025
  • Thumbnail for Orbit of the Moon
    that its orbital plane is closer to the ecliptic plane instead of its primary's (in this case, Earth's) equatorial plane. The Moon's orbital plane is...
    38 KB (4,678 words) - 14:48, 6 April 2025
  • Orbital elements are the parameters required to uniquely identify a specific orbit. In celestial mechanics these elements are considered in two-body systems...
    40 KB (5,798 words) - 22:32, 2 March 2025
  • 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...
    7 KB (980 words) - 15:56, 14 October 2024
  • 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...
    4 KB (630 words) - 18:57, 3 December 2024
  • Nodal precession (redirect from Node rate)
    as the orbital eccentricity. For a satellite in a prograde orbit around Earth, the precession is westward (nodal regression), that is, the node and satellite...
    6 KB (905 words) - 04:33, 15 March 2025
  • Thumbnail for Argument of periapsis
    Argument of periapsis (category Orbits)
    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...
    4 KB (565 words) - 00:23, 24 September 2024
  • Thumbnail for Atomic orbital
    In quantum mechanics, an atomic orbital (/ˈɔːrbɪtəl/ ) is a function describing the location and wave-like behavior of an electron in an atom. This function...
    84 KB (10,942 words) - 11:29, 13 April 2025
  • Thumbnail for Orbital mechanics
    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")....
    40 KB (5,769 words) - 01:28, 7 April 2025
  • 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...
    17 KB (2,080 words) - 13:46, 24 March 2025
  • 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...
    11 KB (1,416 words) - 21:37, 26 November 2024
  • 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...
    5 KB (689 words) - 18:00, 15 March 2025
  • direction of the orbiting object and a plane of reference. orbital mechanics orbital node One of two points at which the plane of an orbit intersects a specified...
    166 KB (19,104 words) - 15:02, 14 April 2025
  • Thumbnail for Apsis
    Apsis (category Orbits)
    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;...
    42 KB (3,925 words) - 22:14, 15 April 2025
  • In chemistry, orbital hybridisation (or hybridization) is the concept of mixing atomic orbitals to form new hybrid orbitals (with different energies,...
    33 KB (3,204 words) - 08:17, 15 March 2025
  • 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...
    17 KB (2,151 words) - 20:47, 3 January 2025
  • Thumbnail for Rahu
    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"...
    15 KB (1,630 words) - 16:13, 16 March 2025
  • Thumbnail for Orbital inclination
    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...
    11 KB (1,470 words) - 21:16, 1 April 2025
  • Thumbnail for Wet moon
    Libration Lunar precession Lunar standstill Nodal precession Orbit of the Moon Orbital node Lunar node Harrington, Philip; Pascuzzi, Edward (2023-09-21). Astronomy...
    5 KB (617 words) - 07:39, 27 March 2025
  • Thumbnail for Orbital plane
    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...
    4 KB (388 words) - 18:03, 25 April 2024
  • Thumbnail for Orbital eccentricity
    astrodynamics, the orbital eccentricity of an astronomical object is a dimensionless parameter that determines the amount by which its orbit around another...
    27 KB (2,870 words) - 06:07, 14 April 2025
  • Thumbnail for Earth's orbit
    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...
    17 KB (1,860 words) - 12:44, 24 March 2025
  • Thumbnail for True anomaly
    True anomaly (category 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...
    11 KB (1,868 words) - 14:54, 26 January 2025
  • Thumbnail for Lissajous orbit
    trajectory In orbital mechanics, a Lissajous orbit (pronounced [li.sa.ʒu]), named after Jules Antoine Lissajous, is a quasi-periodic orbital trajectory that...
    8 KB (766 words) - 02:34, 13 November 2024
  • Thumbnail for Hohmann transfer orbit
    astronautics, the Hohmann transfer orbit (/ˈhoʊmən/) is an orbital maneuver used to transfer a spacecraft between two orbits of different altitudes around...
    27 KB (3,644 words) - 13:47, 21 January 2025
  • Thumbnail for Lunar standstill
    Lunar standstill (category Orbit of the Moon)
    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...
    27 KB (3,407 words) - 00:45, 18 December 2024
  • Thumbnail for Azimuthal quantum number
    number for an atomic orbital that determines its orbital angular momentum and describes aspects of the angular shape of the orbital. The azimuthal quantum...
    19 KB (2,143 words) - 12:36, 8 April 2025
  • Thumbnail for Unity (ISS module)
    NASA, serves as the critical link between the orbiting laboratory's Russian Orbital Segment and US Orbital Segment. Unity was launched on 4 December 1998...
    11 KB (931 words) - 00:06, 4 April 2025