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A size comparison of Neptune and Earth. Neptune's mass of 1.0243 × 10 26 kg [8] is intermediate between Earth and the larger gas giants: it is 17 times that of Earth but just 1/19th that of Jupiter. [g] Its gravity at 1 bar is 11.15 m/s 2, 1.14 times the surface gravity of Earth, [71] and surpassed only by Jupiter. [72]
This list includes few examples since there are about 589 asteroids in the asteroid belt with a measured radius between 20 and 49 km. [171] Many thousands of objects of this size range have yet to be discovered in the trans-Neptunian region.
The Great Dark Spot was captured by NASA's Voyager 2 space probe in Neptune's southern hemisphere. The dark, elliptically shaped spot (with initial dimensions of 13,000 × 6,600 km, or 8,100 × 4,100 mi), was about the same size as Earth, and was similar in general appearance to Jupiter's Great Red Spot.
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Hot Neptunes are — theoretically — worlds the size of Neptune or slightly larger than Neptune, orbiting close to their parent stars. NASA says this planet is just too damn hot to exist Skip to ...
Neptune is 17 times the mass of Earth and is slightly more massive than its near-twin Uranus, which is 15 times the mass of Earth and slightly larger than Neptune. [a] Neptune orbits the Sun once every 164.8 years at an average distance of 30.1 astronomical units (4.50 × 10 9 km).
The V 1298 Tau star system contains four young planets, orbiting close to their parent star, where they are baked in X-ray radiation. Orbiting the young star V 1298 Tau, more than 350 light-years ...
Neptune's outermost moon S/2021 N 1, ... with their names and orbit directions indicated Size comparison of Neptune's seven inner moons. Regular moons