Planet Profile

Mass (kg)...........………………………………...........................................5.98 x 1024
Diameter (km).................................................……………………………..12756
Mean density (kg/m³) .................................……………………………......5520
Escape velocity (m/sec).......................................…………………………..11200

Average distance from Sun (AU).....................………………………..........1
Rotation period (length of day in Earth hours)..............………………….......23.93
Revolution period (length of year in Earth days)………..............…………....365.26

Obliquity (tilt of axis in degrees)............................………………………….23.4
Orbit inclination (degrees)....................…...........…………………………...0
Orbit eccentricity (deviation from circular)......….............…………………...0.017

Mean surface temperature (K)................................………………………...281
Maximum surface temperature (K)..........…………………….......................310
Minimum surface temperature (K).........…………………….........................260

Visual geometric albedo (reflectivity).......................………………………...0.39
Highest point on surface..........................……..........………………………Mount Everest
                                                                                                            (over 8 km above sea-level)
Atmospheric components...............…………………………......................78% nitrogen,
                                         ………………………………………....……. 21% oxygen,
                                         . ………………………………………........…1% argon
Surface materials............………………………………….........................basaltic and
                                                                                                   granitic rock and altered materials

(More information from Geography)
 

 

---

• Summarised  information (Word 97 document)
• Information extracted from Britannica 97