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110 Lydia
From Wikipedia, the free encyclopedia
| Discovery | |
|---|---|
| Discovered by: | Alphonse Borrelly |
| Discovery date: | April 19, 1870 |
| Alternative names: | |
| Minor planet category: | Main belt |
| Orbital characteristics | |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion distance: | 440.756 Gm (2.946 AU) |
| Perihelion distance: | 377.016 Gm (2.520 AU) |
| Semi-major axis: | 408.886 Gm (2.733 AU) |
| Eccentricity: | 0.078 |
| Orbital period: | 1650.493 d (4.52 a) |
| Avg. orbital speed: | 17.99 km/s |
| Mean anomaly: | 306.394° |
| Inclination: | 5.974° |
| Longitude of ascending node: | 56.993° |
| Argument of perihelion: | 281.953° |
| Physical characteristics | |
| Dimensions: | 86.1 km |
| Mass: | 6.7×1017 kg |
| Mean density: | ? g/cm³ |
| Equatorial surface gravity: | 0.0241 m/s² |
| Escape velocity: | 0.0455 km/s |
| Rotation period: | ? d |
| Albedo: | ? |
| Temperature: | ~168 K |
| Spectral type: | M |
| Absolute magnitude: | 7.80 |
110 Lydia is a quite large Main belt asteroid with an M-type spectrum, which may contain nickel-iron. The Lydia asteroid family is named after it. It was discovered by A. Borrelly on April 19, 1870. It was his second asteroid discovery. Lydia occulted a dim star on September 18, 1999.
| Minor planets | ||
|---|---|---|
| Previous minor planet | 110 Lydia | 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.