375 Ursula
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| Discovery A | |
|---|---|
| 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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