| Discovery | |
|---|---|
| Discovered by: | R. Luther |
| Discovery date: | May 5, 1853 |
| Orbital characteristics | |
| Epoch June 14, 2006 (JD 2453900.5) | |
| Aphelion | 431.898 Gm (2.887 AU) |
| Perihelion: | 362.816 Gm (2.425 AU) |
| Semi-major axis: | 397.357 Gm (2.656 AU) |
| Eccentricity: | 0.087 |
| Orbital period: | 1581.184 d (4.33 a) |
| Avg. orbital speed: | 18.24 km/s |
| Mean anomaly: | 115.619° |
| Inclination: | 3.562° |
| Longitude of ascending node: | 45.884° |
| Argument of perihelion: | 193.120° |
| Physical characteristics | |
| Dimensions: | 95.1 km |
| Mass: | 9.0×1017? kg |
| Mean density: | 2.0? g/cm³ |
| Equatorial surface gravity: | 0.0266? m/s² |
| Escape velocity: | 0.0503? km/s |
| Rotation period: | 0.4417 d (10.60 h) [1] |
| Albedo: | 0.1955 [2] |
| Temperature: | ~166 K |
| Spectral type: | S |
| Absolute magnitude: | 7.5 |
26 Proserpina (pronounced /proˈsɚpɪnə/, Latin: Proserpi?na) is a Main belt asteroid. It was discovered by R. Luther on May 5, 1853. It is named after the Roman goddess Proserpina, the daughter of Ceres and the Queen of the Underworld.
References
- ^ http://www.psi.edu/pds/asteroid/EAR_A_5_DDR_DERIVED_LIGHTCURVE_V8_0/data/lc.tab
- ^ http://www.psi.edu/pds/asteroid/EAR_A_5_DDR_ALBEDOS_V1_1/data/albedos.tab
| Minor planets (see full list) |
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| Previous minor planet | 26 Proserpina | Next minor planet |
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| Vulcanoids · Near-Earth asteroids · Main belt · Jupiter Trojans · Centaurs · Damocloids · Neptune Trojans · Comets · Trans-Neptunians (Kuiper belt • Scattered disc objects • Oort cloud) |
| For other objects and regions, see Asteroid groups and families, Binary asteroids, Asteroid moons, meteoroids and the Solar System. For a complete listing, see List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names. |
