All Planets of Our Solar System


All Planets in Our Solar System List 🪐🌍

Of all planets in the solar system Earth is the only planet that supports life as we know it so we’d better look after it. As Henry David Thoreau, American writer and philosopher, said:

What is the Use of a House If You Haven’t Got a Tolerable Planet to Put it On?

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All planets Mnemonic[1] Average Distance from Sun (millions miles) Average Distance from Sun (millions km) Orbital period around Sun (days) Rotational period (days) Mean diameter (miles) Mean diameter (km) Volume relative to Earth Mass relative to Earth Moons / Satellites Rings
Mercury Many 36 57.9 87.97 58.6 3007 4840 0.06 0.055 0 0
Venus Very 67.2 108.2 224.7 243 7705 12,400 0.88 0.815 0 0
Earth Educated 93 149.6 365.2564 1 7926 12,756 1.0 1.0
  1. The Moon
 0
Mars Men 141 227 686.98 1.03 4222 6794 0.151 0.107
  1. Phobos
  2. Deimos
 0
Jupiter Justify 483.6 778.3 4,332.82 0.41 86,881 139,822 1300+ 317.9 79[4] Including:
  • Ganymede[3]
  • Callisto[3]
  • Io[3]
  • Europa[3]
 3[2]
Saturn Stealing 891 1433 10,755.70 0.426 72,367 116,464 755 95.2 82[5] Including:
  • Titan
  • Rhea
  • Iapetus
  • Dione
  • Tethys
  • Enceladus
  • Mimas
 12+
Uranus Unique 1784 2871 30,687.15 0.72 31,518 50,724 67 14.54 27[6] Including 5 major moons:
  • Titania
  • Oberon
  • Umbriel
  • Ariel
  • Miranda
 13
Neptune Ninth 2794 4497 60,190.03 0.67 30,775 49,528 57 17.1 14[7] Including:
  • Triton
  • Proteus
  • Neried
  • Galatea
  • Despina
 5

See also: Key Facts About The Sun…

All Planets Notes:

  • [1]A Mnemonic is a memory technique to help you remember things. We’ve chosen: Many Very Educated Men Justify Stealing Unique Ninth to remember the order of all planets from the sun outwards.
  • [2] Jupiter’s rings are made of dust. There’s an inner torus of small particles, a main ring and an outer ring
  • [3] Jupiter’s inner group, the Galilean moons, are the 4 largest moons of Jupiter
  • [4] Jupiter has 79 moons to date, all named. Most of Jupiter’s moons are also in groups: Himalia, Ananka, Carme and Pasiphae groups
  • [5] 82 Saturnian moons to date, 53 currently have names. Titan accounts for 96% of the total mass of all Saturnian moons and moonlets
  • [6] 27 Uranian moons to date, all named and grouped: 5 major moons, 13 inner moons and 9 irregular moons
  • [7] 14 Neptunian moons to date, all named. Triton accounts for 99.6% of the total mass of all Neptunian moons.

Dwarf Planets in Our Solar System List

Dwarf planets Discovered Average Distance from Sun (millions miles) Average Distance from Sun (millions km) Orbital period around Sun (years) Rotational period (days) Mean diameter (miles) Mean diameter (km) Volume relative to Earth Mass relative to Earth Moons / Satellites Rings
Eris 2005 1,445 2,326 557.55 1.08 1445 2326 0.0061 0.0028 Dysnomia 0
Pluto[8] 1930 3,665 5,899 248.18 6.38 1474 2372 0.0065 0.0022
  1. Charon
  2. Styx
  3. Nix
  4. Kerberos
  5. Hydra
 0
Haumea 2004 4,025 6,476 284.8 0.1625 992[10] 1596[10] 0.0022 0.00066
  1. Hiʻiaka
  2. Namaka
 1
Makemake 2005 4,570 7,354 307.53 0.95125 907 1460 0.0015 0.00073 MK2[11] 0
Ceres 1801 257.4 414.3 4.61 0.3781 587 945 0.0004 0.00015 0 0

See also: Interesting Facts About Our Universe…

[8] Pluto was downgraded to a dwarf planet in 2006. [9] Sets of rings. [10] Haumea is a Jacobi ellipsoid (similar to a rugby ball). [11] Nickname.

Related ADDucation Lists
  • All planets of our solar system in German: Alle Planeten…
  • Help improve ADDucation’s list of all planets in our Solar System by adding your comments below…