Timekeeping
| |
One local day |
One local year |
Local days
per year |
| Mercury |
176 days |
88 d |
half |
| Venus |
117 days |
225 d |
2 |
| Earth |
24 hrs |
1 yr |
365 |
| Mars |
25 hrs |
1.88 yrs |
669 |
| Jupiter |
10 hrs |
11.87 yrs |
10,471 |
| Saturn |
10 hrs |
29.45 yrs |
25,249 |
| Uranus |
18 hrs |
84.87 yrs |
41,163 |
| Neptune |
17 hrs |
164.90 yrs |
83,884 |
|
Some physical data
| |
Distance
from Sun, AU |
Tilt of axis,
degrees |
Relative
density |
Moons |
| Mercury |
.39 |
.01 |
.98 |
0 |
| Venus |
.72 |
177.36 |
.95 |
0 |
| Earth |
1.00 |
23.45 |
1.00 |
1 |
| Mars |
1.52 |
25.20 |
.71 |
2 |
| Jupiter |
5.20 |
3.10 |
.25 |
63 |
| Saturn |
9.54 |
26.70 |
.13 |
60 |
| Uranus |
19.19 |
97.86 |
.23 |
27 |
| Neptune |
30.07 |
29.60 |
.30 |
13 |
|
