39 Laetitia
From Wikipedia, the free encyclopedia
| Discovery | |
|---|---|
| Discovered by: | J. Chacornac |
| Discovery date: | February 8, 1856 |
| Alternative names: | none |
| Minor planet category: | Main belt |
| Orbital characteristics | |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion distance: | 461.503 Gm (3.085 AU) |
| Perihelion distance: | 366.877 Gm (2.452 AU) |
| Semi-major axis: | 414.190 Gm (2.769 AU) |
| Eccentricity: | 0.114 |
| Orbital period: | 1682.713 d (4.61 a) |
| Avg. orbital speed: | 17.84 km/s |
| Mean anomaly: | 58.261° |
| Inclination: | 10.383° |
| Longitude of ascending node: | 157.168° |
| Argument of perihelion: | 209.560° |
| Physical characteristics | |
| Dimensions: | 149.5 km |
| Mass: | ~3.5×1018 kg |
| Mean density: | 2.0? g/cm³ |
| Equatorial surface gravity: | ~0.0418 m/s² |
| Escape velocity: | ~0.0790 km/s |
| Rotation period: | 0.2141 d (5.138 h) [1] |
| Albedo: | 0.287 [2] |
| Temperature: | ~158 K |
| Spectral type: | S |
| Absolute magnitude: | 6.1 |
39 Laetitia (IPA: [lɪˈtʰɪʃə]) is a large, bright main belt asteroid.
It was discovered by J. Chacornac on February 8, 1856 and named after Laetitia, a minor Roman goddess of gaiety.
[edit] Aspects
[edit] References
- ^ http://www.psi.edu/pds/archive/lc.html
- ^ http://www.psi.edu/pds/archive/astdata04/simps04/diamalb.tab
| Minor planets | ||
|---|---|---|
| Previous minor planet | 39 Laetitia | 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.
 |
This article about an S-type asteroid native to the Main Belt is a stub. You can help Wikipedia by expanding it. |
