Planetary Data (not excluding Pluto, prior to recent planetary demotion) Flashcards
Equatorial radius (km) of Mercury:
2439 km
Equatorial radius (km) of Venus:
6052 km
Equatorial radius (km) of Earth:
6378.140 km
Equatorial radius (km) of Mars:
3397.2 km
Equatorial radius (km) of Jupiter:
71 398 km
Equatorial radius (km) of Saturn:
60 000 km
Equatorial radius (km) of Uranus:
26 145 km
Equatorial radius (km) of Neptune:
24 300 km
Equatorial radius (km) of Pluto:
1500-1800 km
What is Earth’s mass?
6.0 x 10^24 kg
Mass of Mercury compared to Earth’s:
0.0553
Mass of Venus compared to Earth’s:
0.8150
Mass of Mars compared to Earth’s:
0.1074
Mass of Jupiter compared to Earth’s:
317.89
Mass of Saturn compared to Earth’s:
95.17
Mass of Uranus compared to Earth’s:
14.56
Mass of Neptune compared to Earth’s:
17.24
Mass of Pluto compared to Earth’s:
0.02
Mean density of Mercury:
5.43 x 10^3 kg/m^3
Mean density of Venus:
5.24 x 10^3 kg/m^3
Mean density of Earth:
5.515 x 10^3 kg/m^3
Mean density of Mars:
3.93 x 10^3 kg/m^3
Mean density of Jupiter:
1.36 x 10^3 kg/m^3
Mean density of Saturn:
0.71 x 10^3 kg/m^3
Mean density of Uranus:
1.30 x 10^3 kg/m^3
Mean density of Neptune:
1.8 x 10^3 kg/m^3
Mean density of Pluto:
0.5-0.8 x 10^3 kg/m^3
Surface gravity of Mercury compared to Earth’s:
0.378
Surface gravity of Venus compared to Earth’s:
0.894
Surface gravity of Mars compared to Earth’s:
0.379
Surface gravity of Jupiter compared to Earth’s:
2.54
Surface gravity of Saturn compared to Earth’s:
1.07
Surface gravity of Uranus compared to Earth’s:
0.8
Surface gravity of Neptune compared to Earth’s:
1.2
Surface gravity of Pluto compared to Earth’s:
~0.03
Astronomical unit:
1 AU = 1.5 x 10^8 km, the average distance between the Earth and the Sun
Semimajor axis of Mercury:
57.9 x 10^6 km
Semimajor axis of Venus:
108.2 x 10^6 km
Semimajor axis of Earth:
149.6 x 10^6 km
Semimajor axis of Mars:
227.9 x 10^6 km
Semimajor axis of Jupiter:
778.3 x 10^6 km
Semimajor axis of Saturn:
1427.0 x 10^6 km
Semimajor axis of Uranus:
2871.0 x 10^6 km
Semimajor axis of Neptune:
4497.1 x 10^6 km
Semimajor axis of Pluto:
5913.5 x 10^6 km
Semimajor axis of Mercury (AU):
0.3871 AU
Semimajor axis of Venus (AU):
0.7233 AU
Semimajor axis of Mars (AU):
1.5237 AU
Semimajor axis of Jupiter (AU):
5.2028 AU
Semimajor axis of Saturn (AU):
9.5388 AU
Semimajor axis of Uranus (AU):
19.1914 AU
Semimajor axis of Neptune (AU):
30.0611 AU
Semimajor axis of Pluto (AU):
39.5294 AU
Orbital period of Mercury (years):
0.24084 years
Orbital period of Venus (years):
0.61515 years
Orbital period of Earth (years):
1.000 04 years
Orbital period of Mars (years):
1.8808 years
Orbital period of Jupiter (years):
11.862 years
Orbital period of Saturn (years):
29.456 years
Orbital period of Uranus (years):
84.07 years
Orbital period of Neptune (years):
164.81 years
Orbital period of Pluto (years):
248.53 years
Orbital period of Mercury (days):
87.96 days
Orbital period of Venus (days):
224.68 days
Orbital period of Earth (days):
365.25 days
Orbital period of Mars (days):
686.95 days
Orbital period of Jupiter (days):
4337 days
Orbital period of Saturn (days):
10 760 days
Orbital period of Uranus (days):
30 700 days
Orbital period of Neptune (days):
60 200 days
Orbital period of Pluto (days):
90 780 days
Eccentricity of Mercury:
0.2056
Eccentricity of Venus:
0.0068
Eccentricity of Earth:
0.0167
Eccentricity of Mars:
0.0934
Eccentricity of Jupiter:
0.0483
Eccentricity of Saturn:
0.0560
Eccentricity of Uranus:
0.0461
Eccentricity of Neptune:
0.0100
Eccentricity of Pluto:
0.2484
Inclination of Mercury to ecliptic:
7°00’26” = 7.01°
Inclination of Venus to ecliptic:
3°23’40” = 3.39°
Inclination of Earth to ecliptic:
0°00’14” = 0°
Inclination of Mars to ecliptic:
1°51’09” = 1.85°
Inclination of Jupiter to ecliptic:
1°18’29” = 1.31°
Inclination of Saturn to ecliptic:
2°29’17” = 2.49°
Inclination of Uranus to ecliptic:
0°48’26” = 0.77°
Inclination of Neptune to ecliptic:
1°46’27” = 1.77°
Inclination of Pluto to ecliptic:
17°09’03” = 17.15083°
