375 Ursula
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Discovery A | |
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Discoverer | Auguste Charlois |
Discovery date | September 18, 1893 |
Alternate designations B |
1893 AL |
Category | Main belt |
Orbital elements C | |
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Eccentricity (e) | 0.107 |
Semi-major axis (a) | 467.42 Gm (3.125 AU) |
Perihelion (q) | 417.247 Gm (2.789 AU) |
Aphelion (Q) | 517.593 Gm (3.46 AU) |
Orbital period (P) | 2017.268 d (5.52 a) |
Mean orbital speed | 16.85 km/s |
Inclination (i) | 15.931° |
Longitude of the ascending node (Ω) |
336.686° |
Argument of perihelion (ω) |
344.757° |
Mean anomaly (M) | 85.323° |
Physical characteristics D | |
Dimensions | 216 km[1] |
Mass | unknown |
Density | unknown |
Surface gravity | unknown |
Escape velocity | unknown |
Rotation period | 16.83 hr[1] |
Spectral class | unknown |
Absolute magnitude | 7.47[1] |
Albedo (geometric) | unknown |
Mean surface temperature |
unknown |
375 Ursula is one of the largest Main belt asteroids.
It was discovered by Auguste Charlois on September 18, 1893 in Nice.
[edit] References
[edit] External links
- Orbital simulation from JPL (Java) / Ephemeris
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