220 Stephania
From Wikipedia, the free encyclopedia
| Discovery | |
|---|---|
| Discovered by: | Johann Palisa |
| Discovery date: | May 19, 1881 |
| Alternative names: | 1925 VE, 1931 FP, 1932 UA, 1943 WB, 1946 MA, 1950 TT4, 1961 WB |
| Minor planet category: | Main belt |
| Orbital characteristics | |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion distance: | 442.081 Gm (2.955 AU) |
| Perihelion distance: | 260.473 Gm (1.741 AU) |
| Semi-major axis: | 351.277 Gm (2.348 AU) |
| Eccentricity: | 0.258 |
| Orbital period: | 1314.246 d (3.6 a) |
| Avg. orbital speed: | 19.44 km/s |
| Mean anomaly: | 59.033° |
| Inclination: | 7.585° |
| Longitude of ascending node: | 258.057° |
| Argument of perihelion: | 78.595° |
| Physical characteristics | |
| Dimensions: | 31.0 km |
| Mass: | unknown |
| Mean density: | unknown |
| Equatorial surface gravity: | unknown |
| Escape velocity: | unknown |
| Rotation period: | 18.198 h |
| Albedo: | 0.073 |
| Temperature: | unknown |
| Spectral type: | P |
| Absolute magnitude: | 11.0 |
220 Stephania is a Main belt asteroid. It is a P-type asteroid, meaning it is relatively dark and composed of organic rich silicates, carbon and anhydrous silicates.
It was discovered by Johann Palisa on May 19, 1881 in Vienna.
The name honours Princess Stéphanie of Belgium.
[edit] References
- The Asteroid Orbital Elements Database
- Minor Planet Discovery Circumstances
- Asteroid Lightcurve Data File
| Minor planets | ||
|---|---|---|
| Previous minor planet | 220 Stephania | 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.
