391 Ingeborg
| Discovery A | |
|---|---|
| Discoverer | Max Wolf |
| Discovery date | November 1, 1894 |
| Alternate designations | 1894 BE B |
| Category | Main belt |
| Orbital elements C Epoch 30 January, 2005 (JD 2453400.5) | |
| Eccentricity (e) | 0.307 |
| Semi-major axis (a) | 347.0 Gm (2.32 AU) |
| Perihelion (q) | 240.489 Gm (1.608 AU) |
| Aphelion (Q) | 453.512 Gm (3.032 AU) |
| Orbital period (P) | 1290.318 d (3.53 a) |
| Mean orbital speed | 19.56 km/s |
| Inclination (i) | 23.17° |
| Longitude of the ascending node (Ω) | 213.006° |
| Argument of perihelion (ω) | 146.554° |
| Mean anomaly (M) | 90.212° |
| Physical characteristics | |
| Dimensions | 20 - 50 km |
| Mass | unknown |
| Density | unknown |
| Surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Spectral class | unknown |
| Absolute magnitude | 10.1 |
| Albedo | unknown |
| Mean surface temperature | unknown |
391 Ingeborg is probably a typical Main belt asteroid.
It was discovered by Max Wolf on November 1, 1894 in Heidelberg.
... | Previous asteroid | 391 Ingeborg | Next asteroid | ...
| The minor planets |
| Vulcanoids | Main belt | Groups and families | Near-Earth objects | Jupiter Trojans |
| Centaurs | Trans-Neptunians | Damocloids | Comets | Kuiper belt | Oort cloud |
| (For other objects and regions, see: Binary asteroids, Asteroid moons and the Solar system) |
| (For a complete listing, see: List of asteroids. For pronunciation, see: Pronunciation of asteroid names.) |