|
Source:
U.
S. Geological Survey
Peter Paul Rubens,
Merkur und Argus (Ausschnitt)
1635-1638
|
 Mercury
data:
|
Ratio
(Earth=1)
|
|
diameter
|
4,879.4
km
|
Earth:
0.38
Moon:
1.40
|
|
mass
|
0.3302·1024
kg = 0.055 mE
|
Earth:
0.055
Moon:
4.50
|
|
density
|
5427
kg/m3 = 0.98
|
Earth:
0.98
|
|
mean
Sun distance
|
57,910
·106 km = 0.39 AU
Min. 45.9·106 km = 0.31
AU
Max. 69.7·106 km= 0.47
AU
|
|
|
Solar
irradiance
|
9126
W/m2
|
6.7
|
|
Distance
from Earth
|
minimum:
77.3·106 km
= 0.52 AE
maximum: 221.9·106 km
= 1.48 AU
|
|
|
eccentricity
of orbit
|
0.2056
|
|
|
sidereal
orbit period
|
87.97
Earth days
|
|
|
synodic
period
|
115.88
Earth days
|
|
|
sidereal
rotation period
|
1407.6
hours = 58.65 Earth days
|
|
|
inclination
of orbit
|
7.00°
|
|
|
surface
temperature
|
average:
440 K
day: +350 °C
night: -170 °C
|
|
|
pressure
of atmosphere at the
surface
|
10-15
bar
|
|
|
Home
Mercury
