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Uranus
Orbit data
Object data
Discovered by Sir Friedrich William Herschel |
1781 |
|
Mass |
8,6832 × 1025 |
kg |
Equatorial radius |
25.559 |
km |
Oblateness |
0,02293 |
|
Mean density |
1,270 |
g/cm³ |
Escape velocity |
21,267 |
km/s |
Surface force of gravity |
8,69 |
m/s² |
Tilt of axis |
97,77 |
° |
Rotational period (reciprocal) |
- 17,234 |
h |
Equatorial rotational velocity |
8971,5 |
km/h |
Mean surface temperature |
76 |
K |
Minimum surface temperature |
53 |
K |
Albedo |
0,51 |
|
Apparent magnitude |
+ 5,65 |
mvis |
Atmosphere
|
|
Hydrogen (H2) |
|
|
Helium (He) |
|
|
Methane (CH4) |
|
|
Ammonia (NH3) |
|
|
Water vapor (H2O) |
Mythology
Uranus is according to greek mythology the embodiment of the sky or
heavens, and known as the god of the sky. He was the first son of Gaia
and he also became her husband.
Their children are the Cyclopes and Titans. Uranus was frightened of
their great strength and the fact that they could easily depose him.
He hid them away in Tartarus inside Gaia.
|
 |
Satellites
|
No. |
|
Name |
|
Distance |
|
Eccentricity |
|
Radius |
|
Mass |
1 |
I |
Ariel |
Ariel |
191020 |
191.020 km |
0.0034 |
0,0034 |
581.1 |
581,1 × 577,9 × 577,7 km |
21.135 |
1,35 × 1021 kg |
2 |
II |
Umbriel |
Umbriel |
266300 |
266.300 km |
0.0050 |
0,0050 |
584.7 |
584,7 km |
21.117 |
1,17 × 1021 kg |
3 |
III |
Titania |
Titania |
435910 |
435.910 km |
0.0022 |
0,0022 |
788.9 |
788,9 km |
21.352 |
3,52 × 1021 kg |
4 |
IV |
Oberon |
Oberon |
583520 |
583.520 km |
0.0008 |
0,0008 |
761.4 |
761,4 km |
21.301 |
3,01 × 1021 kg |
5 |
V |
Miranda |
Miranda |
129390 |
129.390 km |
0.0027 |
0,0027 |
240 |
240 × 234,2 × 232,9 km |
19.659 |
6,59 × 1019 kg |
6 |
VI |
Cordelia |
Cordelia |
49770 |
49.770 km |
0.0003 |
0,0003 |
20.1 |
20,1 km |
16.54 |
5,4 × 1016 kg |
7 |
VII |
Ophelia |
Ophelia |
53790 |
53.790 km |
0.0099 |
0,0099 |
21.4 |
21,4 km |
16.54 |
5,4 × 1016 kg |
8 |
VIII |
Bianca |
Bianca |
59170 |
59.170 km |
0.0009 |
0,0009 |
25.7 |
25,7 km |
16.93 |
9,3 × 1016 kg |
9 |
IX |
Cressida |
Cressida |
61780 |
61.780 km |
0.0004 |
0,0004 |
39.8 |
39,8 km |
17.34 |
3,4 × 1017 kg |
10 |
X |
Desdemona |
Desdemona |
62680 |
62.680 km |
0.0001 |
0,0001 |
32 |
32,0 km |
17.18 |
1,8 × 1017 kg |
11 |
XI |
Juliet |
Juliet |
64350 |
64.350 km |
0.0007 |
0,0007 |
46.8 |
46,8 km |
17.56 |
5,6 × 1017 kg |
12 |
XII |
Portia |
Portia |
66090 |
66.090 km |
0.0001 |
0,0001 |
67.6 |
67,6 km |
18.17 |
1,7 × 1018 kg |
13 |
XIII |
Rosalind |
Rosalind |
69940 |
69.940 km |
0.0001 |
0,0001 |
36 |
36,0 km |
17.26 |
2,6 × 1017 kg |
14 |
XIV |
Belinda |
Belinda |
75260 |
75.260 km |
0.0001 |
0,0001 |
40.3 |
40,3 km |
17.36 |
3,6 × 1017 kg |
15 |
XV |
Puck |
Puck |
86010 |
86.010 km |
0.0001 |
0,0001 |
81 |
81,0 km |
18.29 |
2,9 × 1018 kg |
16 |
XVI |
Caliban |
Caliban |
7231000 |
7.231.000 km |
0.1587 |
0,1587 |
49 |
49 km |
17.74 |
7,4 × 1017 kg |
17 |
XVII |
Sycorax |
Sycorax |
12179000 |
12.179.000 km |
0.5224 |
0,5224 |
95 |
95 km |
18.54 |
5,4 × 1018 kg |
18 |
XVIII |
Prospero |
Prospero |
16256000 |
16.256.000 km |
0.4448 |
0,4448 |
15 |
15 km |
16.21 |
2,1 × 1016 kg |
19 |
XIX |
Setebos |
Setebos |
17418000 |
17.418.000 km |
0.5914 |
0,5914 |
15 |
15 km |
16.21 |
2,1 × 1016 kg |
20 |
XX |
Stephano |
Stephano |
8004000 |
8.004.000 km |
0.2292 |
0,2292 |
10 |
10 km |
15.6 |
6,0 × 1015 kg |
21 |
XXI |
Trinculo |
Trinculo |
8504000 |
8.504.000 km |
0.2200 |
0,2200 |
5 |
5 km |
14.75 |
7,5 × 1014 kg |
22 |
XXII |
Francisco |
Francisco |
4276000 |
4.276.000 km |
0.146 |
0,146 |
11 |
11 km |
15.13 |
1,3 × 1015 kg |
23 |
XXIII |
Margaret |
Margaret |
14345000 |
14.345.000 km |
0.661 |
0,661 |
5.5 |
5,5 km |
15.1 |
1,0 × 1015 kg |
24 |
XXIV |
Ferdinand |
Ferdinand |
20901000 |
20.901.000 km |
0.368 |
0,368 |
6 |
6 km |
15.13 |
1,3 × 1015 kg |
25 |
XXV |
Perdita |
Perdita |
76420 |
76.420 km |
0.0 |
0,0 |
40 |
40 km |
17.4 |
4,0 × 1017 kg |
26 |
XXVI |
Mab |
Mab |
97730 |
97.730 km |
0.0 |
0,0 |
8 |
8 km |
15.4 |
4,0 × 1015 kg |
27 |
XXVII |
Cupid |
Cupid |
74800 |
74.800 km |
0.0 |
0,0 |
6 |
6 km |
15.12 |
1,2 × 1015 kg |
Ring system
|
Name |
|
Distance |
|
Width |
|
Thickness |
|
Mass |
|
Albedo |
6 |
6 |
41837 |
41.837 km |
1.5 |
1,5 km |
|
|
|
|
0.015 |
0,015 |
5 |
5 |
42235 |
42.235 km |
2 |
2 km |
|
|
|
|
0.015 |
0,015 |
4 |
4 |
42571 |
42.571 km |
2.5 |
2,5 km |
|
|
|
|
0.015 |
0,015 |
Alpha |
Alpha |
44718 |
44.718 km |
410 |
4 - 10 km |
|
|
|
|
0.015 |
0,015 |
Beta |
Beta |
45661 |
45.661 km |
511 |
5 - 11 km |
|
|
|
|
0.015 |
0,015 |
Eta |
Eta |
47176 |
47.176 km |
1.6 |
1,6 km |
|
|
|
|
0.015 |
0,015 |
Gamma |
Gamma |
47626 |
47.626 km |
14 |
1 - 4 km |
|
|
|
|
0.015 |
0,015 |
Delta |
Delta |
48303 |
48.303 km |
37 |
3 - 7 km |
|
|
|
|
0.015 |
0,015 |
Lambda |
Lambda |
50024 |
50.024 km |
2 |
2 km |
|
|
|
|
0.015 |
0,015 |
Epsilon |
Epsilon |
51149 |
51.149 km |
2096 |
20 - 96 km |
|
|
|
|
0.018 |
0,018 |
Links
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Gustav Holst: The Planets - Uranus: The Magician (84 kB) |
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NASA Spacelink - Solar System Lithograph Set - Our Solar System Lithograph number LG-2001-08-02-HQ (~ 3400 kB) |
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NASA (Voyager 2) - Uranus © Calvin J. Hamilton ("Views of the Solar System") |
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NASA (Voyager 2) - Voyager Farewell Image © Calvin J. Hamilton ("Views of the Solar System") |
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NASA (Voyager 2) - Uranian System © Calvin J. Hamilton ("Views of the Solar System") |
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Welcome to the Planets Online version of the "Planetary Data System Educational CD-ROM" |
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A Multimedia Tour of the Solar System - The Nine Planets © William A. Arnett |
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