Solar System Orbits Size Comparison 💫

Описание

Orbit
In celestial mechanics, an orbit is the curved trajectory of an object such as the trajectory of a planet around a star, of a natural satellite around a planet, or of an artificial satellite around an object or position in space such as a planet, moon, asteroid, or Lagrange point. Normally, orbit refers to a regularly repeating trajectory, although it may also refer to a non-repeating trajectory. To a close approximation, planets and satellites follow elliptic orbits, with the center of mass being orbited at a focal point of the ellipse, as described by Kepler's laws of planetary motion.

For most situations, orbital motion is adequately approximated by Newtonian mechanics, which explains gravity as a force obeying an inverse-square law. However, Albert Einstein's general theory of relativity, which accounts for gravity due to the curvature of spacetime, with orbits following geodesics, provides a more accurate calculation and understanding of the exact mechanics of orbital motion.

Astronomical Unit
The astronomical unit (symbol: au, or au or AU) is a unit of length, roughly the distance from Earth to the Sun, and approximately equal to 150 million kilometers (93 million miles) or 8.3 light-minutes. The actual distance from Earth to the Sun varies by about 3% as Earth orbits the Sun, from a maximum (aphelion) to a minimum (perihelion) and back again once each year. The astronomical unit was originally conceived as the average of Earth's aphelion and perihelion; however, since 2012 it has been defined as exactly 149597870700 m (see below for several conversions).

The astronomical unit is used primarily for measuring distances within the Solar System or around other stars. It is also a fundamental component in the definition of another unit of astronomical length, the parsec.
🪐Solar System Orbits Size Comparison🌎
Sun / 695,700 km (Mean Radius)

Mercury Orbit / 0.387 AU / 57,894,375.9609 km

Venus Orbit / 0.723 AU /108,159,260.5161 km

Earth Orbit /1 AU / 149,597,870.7 km

Mars Orbit / 1.524 AU / 227,987,154.9468 km

1 Ceres Orbit / 2.77 AU / 414,386,101.839 km

Jupiter Orbit / 5.204 AU / 778,507,319.1228 km

Uy Scuti (For References) / 1.188,255,600 km (Mean Radius)

Saturn Orbit / 9.582 AU / 1,433,446,797.0474 km

Halley's Comet Orbit / 17.737 AU / 2,653,417,432.6059 km

Uranus Orbit / 19.218 AU / 2,874,971,879.1126 km

Neptune Orbit / 30.11 AU / 4,504,391,886.777 km

90482 Orcus Orbit / 39.174 AU / 5,860,346,986.8018 km

134340 Pluto Orbit / 39.482 AU / 5,906,423,130.9774 km

(307261) 2002 MS4 Orbit / 41.739 AU / 6,244,065,525.1473 km

136108 Haumea Orbit / 43.116 AU / 6,450,061,793.1012 km

50000 Quaoar Orbit / 43.616 AU / 6,524,860,728.4512 km

486958 Arrokoth (Ultima Thule) Orbit / 44.581 AU / 6,669,222,673.6767 km

136472 Makemake Orbit / 45.43 AU / 6,796,231,265.901 km

2007 OR10 Orbit / 67.059 AU / 10,031,883,611.271 km

136199 Eris Orbit / 67.864 AU / 10,152,309,897.185 km

2018 VG18 Orbit / 81.693 AU / 12,221,098,851.095 km

DeeDee Orbit / 108.2 AU / 16,186,489,609.74 km

Messier-87 (For References) / 60,000 Light Years (Mean Radius)

NGC 4889 (For References) / 125,000 Light Years (Mean Radius)

90377 Sedna Orbit / 506 AU / 75,696,522,574.2 km

Ton 618 (For References) / 18.200,000.0 Light Years (Mean Radius)

Cat Eye Nebula (For References) / 1.892,199,645.000 km (Mean Radius)

Oort Cloud Start / 50,000 AU / 7,479,893,535,000 km

Oord Cloud End / 200,000 AU / 29,919,574,140,00 km

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Moon
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