25 Phocaea
From Wikipedia, the free encyclopedia
Discovery | |
---|---|
Discovered by: | J. Chacornac |
Discovery date: | April 6, 1853 |
Alternative names: | 1956 GC |
Minor planet category: | Main belt (Phocaea family) |
Orbital characteristics | |
Epoch June 14, 2006 (JD 2453900.5) | |
Aphelion distance: | 450.716 Gm (3.013 AU) |
Perihelion distance: | 267.314 Gm (1.787 AU) |
Semi-major axis: | 359.015 Gm (2.400 AU) |
Eccentricity: | 0.255 |
Orbital period: | 1357.936 d (3.72 a) |
Avg. orbital speed: | 18.91 km/s |
Mean anomaly: | 6.932° |
Inclination: | 21.584° |
Longitude of ascending node: | 214.268° |
Argument of perihelion: | 90.154° |
Physical characteristics | |
Dimensions: | 75.1 km |
Mass: | 4.4×1017? kg |
Mean density: | 2.0? g/cm³ |
Equatorial surface gravity: | 0.0210? m/s² |
Escape velocity: | 0.0397? km/s |
Rotation period: | 0.4144 d (9.945 h) [1] |
Albedo: | 0.231 [2] |
Temperature: | ~173 K |
Spectral type: | S |
Absolute magnitude: | 7.83 |
25 Phocaea (IPA: [fʊˈsiə]) is a Main belt asteroid.
It was discovered by J. Chacornac on April 6, 1853. It was his first asteroid discovery. It is named after Phocaea, the ancient Greek name for Foça in Turkey.
[edit] Aspects
[edit] 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 | ||
---|---|---|
Previous minor planet | 25 Phocaea | 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.