Earth

Mass (kg): 5.98 x 10²⁴
Diameter (km): 12756
Mean density (kg/m³): 5520
Escape velocity (m/s): 11200
Average distance from Sun: 1 AU (149,597,890 km)
Rotation period (length of day in Earth days): 1 (23.93 hours) Revolution period (length of year in Earth days): 365.26
Obliquity (tilt of axis degrees): 23.4
Orbit inclination (degrees): 0
Orbit eccentricity (deviation from circular): 0.017
Mean surface temperature (K): 281 (8 ^oC)
Maximum surface temperature (K): 328 (55 ^oC)
Minimum surface temperature (K): 203 (-70 ^oC)
Satellites: One (Moon)
Visual geometric albedo: (reflectivity): 0.39
Highest point on surface: Mount Everest (over 8 km above sea-level)
Atmospheric components: 78% nitrogen (N), 21% oxygen (O₂), 1% argon (Ar)
Surface materials: basaltic and granitic rock and altered materials

Moon

Diameter (km): 3476
Average distance from Earth: 384,600 km
Maximum surface temperature (K): 378 (105 ^oC)
Minimum surface temperature (K): 118 (-155 ^oC)
Atmospheric components: There aren’t any