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399 Persephone
From Wikipedia, the free encyclopedia
| Discovery A | |
|---|---|
| Discoverer | Max Wolf |
| Discovery date | February 23, 1895 |
| Alternate designations B |
1895 BP |
| Category | Main belt |
| Orbital elements C | |
|
|
|
| Eccentricity (e) | 0.068 |
| Semi-major axis (a) | 457.292 Gm (3.057 AU) |
| Perihelion (q) | 426.404 Gm (2.85 AU) |
| Aphelion (Q) | 488.18 Gm (3.263 AU) |
| Orbital period (P) | 1952.055 d (5.34 a) |
| Mean orbital speed | 17.04 km/s |
| Inclination (i) | 13.082° |
| Longitude of the ascending node (Ω) |
346.609° |
| Argument of perihelion (ω) |
189.387° |
| Mean anomaly (M) | 204.409° |
| Physical characteristics D | |
| Dimensions | 49.1 km |
| Mass | ~1.2×1017 kg |
| Density | 2.0? g/cm³ |
| Surface gravity | ~0.0137 m/s² |
| Escape velocity | ~0.0260 km/s |
| Rotation period | unknown |
| Spectral class | unknown |
| Absolute magnitude | 9.0 |
| Albedo (geometric) | 0.10? |
| Mean surface temperature |
~159 K |
399 Persephone is a typical Main belt asteroid.
It was discovered by Max Wolf on February 23, 1895 in Heidelberg.
| Minor planets | ||
|---|---|---|
| Previous minor planet | 399 Persephone | Next minor planet |
| List of asteroids | ||
Vulcanoids · Near-Earth asteroids · Main belt · Jupiter Trojans · Centaurs · Damocloids · Comets · Trans-Neptunians (Kuiper belt • Scattered disc • Oort cloud)
For other objects and regions, see Asteroid groups and families, Binary asteroids, Asteroid moons and the Solar System.
For a complete listing, see List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names.
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