Mercury

Venus

Earth

Moon

Mars

Jupiter

Saturn

Uranus

Neptune

Pluto

Mass (10²⁴ kg)

0.330

4.87

5.97

0.073

0.642

1898

568

86.8

102

0.0130

Diameter (km)

4879

12,104

12,756

3475

6792

142,984

120,536

51,118

49,528

2376

Density (kg/m³)

5429

5243

5514

3340

3934

1326

687

1270

1638

1850

Gravity (m/s²)

3.7

8.9

9.8

1.6

3.7

23.1

9.0

8.7

11.0

0.7

Escape Velocity (km/s)

4.3

10.4

11.2

2.4

5.0

59.5

35.5

21.3

23.5

1.3

Rotation Period (hours)

1407.6

−5832.5

23.9

655.7

24.6

9.9

10.7

−17.2

16.1

−153.3

Length of Day (hours)

4222.6

2802.0

24.0

708.7

24.7

9.9

10.7

17.2

16.1

153.3

Distance from Sun (10⁶ km)

57.9

108.2

149.6

0.384*

228.0

778.5

1432.0

2867.0

4515.0

5906.4

Perihelion (10⁶ km)

46.0

107.5

147.1

0.363*

206.7

740.6

1357.6

2732.7

4471.1

4436.8

Aphelion (10⁶ km)

69.8

108.9

152.1

0.406*

249.3

816.4

1506.5

3001.4

4558.9

7375.9

Orbital Period (days)

88.0

224.7

365.2

27.3*

687.0

4331

10,747

30,589

59,800

90,560

Orbital Velocity (km/s)

47.4

35.0

29.8

1.0*

24.1

13.1

9.7

6.8

5.4

4.7

Orbital Inclination (degrees)

7.0

3.4

0.0

5.1

1.8

1.3

2.5

0.8

1.8

17.2

Orbital Eccentricity

0.206

0.007

0.017

0.055

0.094

0.049

0.052

0.047

0.010

0.244

Obliquity to Orbit (degrees)

0.034

177.4

23.4

6.7

25.2

3.1

26.7

97.8

28.3

122.5

Mean Temperature (C)

167

464

15

−20

−65

−110

−140

−195

−200

−225

Surface Pressure (bars)

0

92

1

0

0.01

Unknown*

Unknown*

Unknown*

Unknown*

0.00001

Number of Moons

0

0

1

0

2

79

82

27

14

5

Ring System?

No

No

No

No

No

Yes

Yes

Yes

Yes

No

Global Magnetic Field?

Yes

No

Yes

No

No

Yes

Yes

Yes

Yes

Unknown

Mercury

Venus

Earth

Moon

Mars

Jupiter

Saturn

Uranus

Neptune

Pluto