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The Planets in Our Solar System
| Planet (or Dwarf Planet) | Distance from
the Sun
(Astronomical Units
miles
km) | Period of Revolution Around the Sun
(1 planetary year) | Period of Rotation
(1 planetary day) | Mass
(kg) | Diameter
(miles
km) | Apparent size
from
Earth | Temperature
(K
Range or Average) | Number of Moons |
|---|
| Mercury | 0.39 AU, 36 million miles
57.9 million km | 87.96 Earth days | 58.7 Earth days | 3.3 x 1023 | 3,031 miles
4,878 km | 5-13 arc seconds | 100-700 K
mean=452 K | 0 | | Venus | 0.723 AU
67.2 million miles
108.2 million km | 224.68
Earth days | 243 Earth days | 4.87
x 1024 | 7,521 miles
12,104 km | 10-64 arc seconds | 726 K | 0 | | Earth | 1 AU
93 million miles
149.6 million km | 365.26 days | 24
hours | 5.98 x 1024 | 7,926
miles
12,756 km | Not Applicable | 260-310
K | 1 | | Mars | 1.524 AU
141.6 million miles
227.9 million km | 686.98
Earth days | 24.6 Earth hours
=1.026 Earth days | 6.42 x 1023 | 4,222 miles
6,787 km | 4-25 arc seconds | 150-310 K | 2 | | Jupiter | 5.203 AU
483.6 million
miles
778.3 million km | 11.862 Earth years | 9.84 Earth hours | 1.90 x 1027 | 88,729 miles
142,796 km | 31-48 arc seconds | 120 K
(cloud tops) | 18 named (plus many smaller ones) | | Saturn | 9.539 AU
886.7 million
miles
1,427.0 million km | 29.456 Earth years | 10.2 Earth hours | 5.69 x 1026 | 74,600 miles
120,660 km | 15-21 arc seconds
excluding
rings | 88 K | 18+ | | Uranus | 19.18 AU
1,784.0 million
miles
2,871.0 million km | 84.07 Earth years | 17.9 Earth hours | 8.68 x 1025 | 32,600 miles
51,118 km | 3-4 arc seconds | 59 K | 15 | | Neptune | 30.06 AU
2,794.4 million miles
4,497.1 million
km | 164.81 Earth years | 19.1 Earth
hours | 1.02 x 1026 | 30,200
miles
48,600 km | 2.5 arc seconds | 48
K | 2 | | Pluto
(a dwarf planet) | 39.53 AU
3,674.5 million miles
5,913 million km | 247.7 years | 6.39 Earth days | 1.29 x 1022 | 1,413 miles
2,274 km | 0.04 arc seconds | 37 K | 4 | | Planet (or Dwarf Planet) | Distance from the
Sun
(Astronomical Units
miles
km) | Period of Revolution Around the Sun
(1
planetary year) | Period of Rotation
(1 planetary day) | Mass
(kg) | Diameter
(miles
km) | Apparent size
from Earth | Temperature
(K
Range or Average) | Number of Moons |
|---|
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