138 Tolosa
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| Discovery | |
|---|---|
| Discovered by: | Henri Joseph Perrotin |
| Discovery date: | March 19, 1874 |
| Alternative names: | |
| Minor planet category: | Main belt |
| Orbital characteristics | |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion distance: | 425.819 Gm (2.846 AU) |
| Perihelion distance: | 306.744 Gm (2.050 AU) |
| Semi-major axis: | 366.282 Gm (2.448 AU) |
| Eccentricity: | 0.163 |
| Orbital period: | 1399.371 d (3.83 a) |
| Avg. orbital speed: | 18.91 km/s |
| Mean anomaly: | 168.932° |
| Inclination: | 3.208° |
| Longitude of ascending node: | 54.948° |
| Argument of perihelion: | 260.018° |
| Physical characteristics | |
| Dimensions: | 45.5 km |
| Mass: | 9.9×1016 kg |
| Mean density: | ? g/cm³ |
| Equatorial surface gravity: | 0.0127 m/s² |
| Escape velocity: | 0.0241 km/s |
| Rotation period: | ? d |
| Albedo: | ? |
| Temperature: | ~178 K |
| Spectral type: | ? |
| Absolute magnitude: | 8.75 |
138 Tolosa (to-loe'-za, Latin Tolōsa) is a brightly coloured, stony Main belt asteroid. It was discovered by Henri Joseph Perrotin on May 19, 1874 and named after the Latin for Toulouse, France.
| Minor planets | ||
|---|---|---|
| Previous minor planet | 138 Tolosa | 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.
