Planet + Includes
Sun + Satellite
| Mercury (planet) |
Apoapsis
70,000,000 km (0.468 AU, 43,495,983.457 mi)
Axial tilt
0 rad (0 °, 0 grad)
Color
#AA6633
Composition
Iron, Silicate
Escape speed
4.25 km/s (15,300 km/h, 2.641 mi/s, 9,506.979 mph)
Inclination
0.122 rad (7.005 °, 7.783 grad)
Maximum temperature
700 K (426.85 °C, 800.33 °F, 1,260 °R)
Mean radius
2,439.7 km (1,515.959 mi)
Mean temperature
452 K (178.85 °C, 353.93 °F, 813.6 °R)
Minimum temperature
90 K (-183.15 °C, -297.67 °F, 162 °R)
Orbital eccentricity
0.206
Orbital speed
47.36 km/s (170,496 km/h, 29.428 mi/s, 105,941.303 mph)
Order
1
Periapsis
46,000,000 km (0.307 AU, 28,583,074.843 mi)
Planet density
5,427 kg/m³ (5.427 g/ml, 338.797 lb/ft³)
Planet mass
3.3e+23 kg (0.0552 M⊕, 1.73803e-4 M♃)
Planet surface area
75,000,000 km² (28,957,661.891 mi², 0.147 A⊕, 0.00121 A♃)
Satellites
0
Semi-major axis
57,909,175 km (0.387 AU, 35,983,093.111 mi)
Sidereal day
1,407.509 h (58.646 da)
Sidereal period
87.969 da (0.241 a)
Solar day
4,222.528 h (175.939 da)
Surface gravity
2.78 m/s² (9.121 ft/s², 0.283 g)
Synodic period
115.878 da (0.317 a)
Titius-Bode prediction
0.4 AU
Member of
Planet +
Primary
Sun +
Categories Astronomy +, Mercury +, Planet +, Solar system +
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