| Orbital characteristics (Epoch J2000) |
| Semi-major axis |
778,412,027 km 5.203 363 01 AU |
| Orbital circumference |
4.888 Tm 32.675 AU |
| Eccentricity |
0.048 392 66 |
| Perihelion |
740,742,598 km 4.951 558 43 AU |
| Aphelion |
816,081,455 km 5.455 167 59 AU |
| Orbital period |
4333.2867 d (11.86 a) |
| Synodic period |
398.88 d |
| Avg. Orbital Speed |
13.056 km/s |
| Max. Orbital Speed |
13.712 km/s |
| Min. Orbital Speed |
12.446 km/s |
| Inclination |
1.305 30° (6.09° to Sun's equator) |
| Longitude of the ascending node |
100.556 15° |
| Argument of the perihelion |
274.197 70° |
| Number of satellites |
63 |
| Physical characteristics |
| Equatorial diameter |
142,984 km (11.209 Earths) |
| Polar diameter |
133,709 km (10.517 Earths) |
| Oblateness |
0.064 87 |
| Surface area |
6.14×1010 km2 (120.5 Earths) |
| Volume |
1.431×1015 km3 (1321.3 Earths) |
| Mass |
1.899×1027 kg (317.8 Earths) |
| Mean density |
1.326 g/cm3 |
| Equatorial gravity |
23.12 m/s2 (2.358 gee) |
| Escape velocity |
59.54 km/s |
| Rotation period |
0.413 538 021 d (9 h 55 min 29.685 s) |
| Rotation velocity |
12.6 km/s = 45,300 km/h (at the equator) |
| Axial tilt |
3.13° |
| Right ascension of North pole |
268.05° (17 h 52 min 12 s) |
| Declination |
64.49° |
| Albedo |
0.52 |
| Surface temp. |
| min |
mean |
max |
| 110 K |
152 K |
N/A K |
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