254 Augusta
| Discovery [1] | |
|---|---|
| Discovered by | J. Palisa |
| Discovery site | Vienna Obs. |
| Discovery date | 31 March 1886 |
| Designations | |
| MPC designation | 254 Augusta |
|
Named after
|
Auguste von Littrow[2] |
| Augusta · main-belt | |
| Orbital characteristics [1] | |
| Epoch 27 June 2015 (JD 2457200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 128.99 yr (47,112 days) |
| Aphelion | 2.4625 AU |
| Perihelion | 1.9268 AU |
| 2.1947 AU | |
| Eccentricity | 0.1220 |
| 3.25 yr (1187.6 days) | |
|
Average orbital speed
|
20.1 km/s[citation needed] |
| 219.74° | |
| Inclination | 4.5121° |
| 28.491° | |
| 233.10° | |
| Earth MOID | 0.9155 AU |
| Physical characteristics | |
| Dimensions | 12.11 km |
| 5.8949 h | |
| 0.1695 | |
| B–V = 0.845 U–B = 0.505 Tholen = S |
|
| 12.13 | |
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254 Augusta is a main-belt asteroid, discovered on March 31, 1886 by astronomer Johann Palisa at Vienna Observatory, Austria. The stony S-type asteroid measures about 12 kilometers in diameter.[1]
It is the first-numbered member of the Augusta family, after which the small Asteroid family and subgroup of the main-belt has been named.
Augusta was named after the German–Austrian writer Auguste von Littrow (1819–1890), widow of astronomer Carl Ludwig von Littrow, who was a former director of the Vienna Observatory.[2]
References
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<references />, or <references group="..." />External links
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- The Asteroid Orbital Elements Database
- Minor Planet Discovery Circumstances
- Asteroid Lightcurve Data File
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