254 Augusta
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| Discovery | |
|---|---|
| Discovered by | Johann Palisa |
| Discovery date | March 31, 1886 |
| Designations | |
| Named after | Auguste von Littrow |
| Alternative names | n/a |
| Minor planet category | Main belt (Augusta) |
| Orbital characteristics | |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 368.171 Gm (2.461 AU) |
| Perihelion | 288.533 Gm (1.929 AU) |
| Semi-major axis | 328.352 Gm (2.195 AU) |
| Eccentricity | 0.121 |
| Orbital period | 1187.714 d (3.25 a) |
| Average orbital speed | 20.1 km/s |
| Mean anomaly | 147.782° |
| Inclination | 4.515° |
| Longitude of ascending node | 28.545° |
| Argument of perihelion | 233.227° |
| Physical characteristics | |
| Dimensions | 12.0 km |
| Mass | unknown |
| Mean density | unknown |
| Equatorial surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | 6.0 h |
| Albedo | 0.170 |
| Temperature | unknown |
| Spectral type | S |
| Absolute magnitude (H) | 12.13 |
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254 Augusta is a typical small Main belt asteroid. It is an S-type asteroid. The Augusta family of asteroids is named after it as it is the first-numbered member of the family.
It was discovered by Johann Palisa on March 31, 1886 in Vienna.
Augusta was named after the widow of astronomer Carl Ludwig von Littrow.
References
- The Asteroid Orbital Elements Database
- Minor Planet Discovery Circumstances
- Asteroid Lightcurve Data File
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