30 Urania
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Discovery | |
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Discovered by: | J. R. Hind |
Discovery date: | July 22, 1854 |
Orbital characteristics | |
Epoch June 14, 2006 (JD 2453900.5) | |
Aphelion | 398.817 Gm (2.666 AU) |
Perihelion: | 309.338 Gm (2.068 AU) |
Semi-major axis: | 354.077 Gm (2.367 AU) |
Eccentricity: | 0.126 |
Orbital period: | 1330.017 d (3.64 a) |
Avg. orbital speed: | 19.28 km/s |
Mean anomaly: | 196.549° |
Inclination: | 2.097° |
Longitude of ascending node: | 307.820° |
Argument of perihelion: | 86.560° |
Physical characteristics | |
Dimensions: | 100.15 km |
Mass: | 1.1×1018? kg |
Mean density: | 2.0? g/cm³ |
Equatorial surface gravity: | 0.0280? m/s² |
Escape velocity: | 0.0529? km/s |
Rotation period: | 0.57025 d (13.686 h) [1] |
Albedo: | 0.1714 (geometric) |
Temperature: | ~177 K |
Spectral type: | S |
Apparent magnitude: | 9.36 (brightest) |
Absolute magnitude: | 7.57 |
30 Urania is a big Main belt asteroid.
Urania was found by J. R. Hind on July 22, 1854. It was the last asteroid he found. It is named after Urania, the Greek Muse of astronomy.
[change] References
[change] Other websites
- Orbital simulation from JPL (Java) / Ephemeris
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29 Amphitrite | 30 Urania | 31 Euphrosyne
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Near-Earth asteroids · Main belt · Jupiter Trojans · Neptune Trojans · Comets · Kuiper belt · Oort cloud |