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  2. Neptune - Wikipedia

    en.wikipedia.org/wiki/Neptune

    Average orbital speed. 5.43 km/s [8] ... These resonances occur when Neptune's orbital period is a precise fraction of that of the object, such as 1:2, or 3:4. If ...

  3. Orbital speed - Wikipedia

    en.wikipedia.org/wiki/Orbital_speed

    In gravitationally bound systems, 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 either the barycenter (the combined center of mass) or, if one body is much more massive than the other bodies of the system combined, its speed relative to the center of mass of the most massive body.

  4. List of gravitationally rounded objects of the Solar System

    en.wikipedia.org/wiki/List_of_gravitationally...

    Mean orbital speed [4] km/s: ≈ 220 Axial tilt to the ecliptic: deg. 7.25 Axial tilt to the galactic plane: ... (Uranus and Neptune). When excluding the Sun, the ...

  5. Standard gravitational parameter - Wikipedia

    en.wikipedia.org/wiki/Standard_gravitational...

    Neptune: 6.836 529 (9) × 10 ... The central body in an orbital system can be defined as ... v is the orbital speed, ω is the angular speed, and T is the orbital ...

  6. Kepler's laws of planetary motion - Wikipedia

    en.wikipedia.org/wiki/Kepler's_laws_of_planetary...

    The speed of the planet in the main orbit is constant. ... The orbital radius and angular velocity of the planet in the elliptical orbit will vary. ... Neptune 30. ...

  7. Triton (moon) - Wikipedia

    en.wikipedia.org/wiki/Triton_(moon)

    Average orbital speed. 4.39 km/s [a] Inclination: ... At present, Triton's rotational axis is about 40° from Neptune's orbital plane, hence as Neptune orbits the Sun ...

  8. New Neptune photos offer rare views of planet’s rings - AOL

    www.aol.com/news/neptune-photos-offer-rare-views...

    Neptune was discovered in 1846 and is located 30 times farther from the sun than Earth. The planet's 164-year orbit takes it through some of the darkest and most remote regions of the outer solar ...

  9. Escape velocity - Wikipedia

    en.wikipedia.org/wiki/Escape_velocity

    A relatively small extra delta-v above that needed to accelerate to the escape speed can result in a relatively large speed at infinity. Some orbital manoeuvres make use of this fact. For example, at a place where escape speed is 11.2 km/s, the addition of 0.4 km/s yields a hyperbolic excess speed of 3.02 km/s: