Quantity |
Value |
astronomical unit (A.U.) |
149,597,870.691 kilometers |
light year (ly) |
9.460536207× 1012 km = 63,240 A.U. |
parsec (pc) |
3.08567802× 1013 km = 206,265 A.U. |
sidereal year |
365.2564 days |
tropical year |
365.2422 days |
Gregorian year |
365.2425 days |
Earth mass |
5.9736× 1024 kilograms |
Sun mass |
1.9891× 1030 kg = 332,980 × Earth |
mean Earth radius |
6371 kilometers |
Sun radius |
6.96265 × 105 km = 109 × Earth |
Sun luminosity |
3.827× 1026 watts |