254 Augusta
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| Discovery A | |
|---|---|
| Discoverer | Johann Palisa |
| Discovery date | March 31, 1886 |
| Alternate designations B |
n/a |
| Category | Main belt (Augusta) |
| Orbital elements C | |
|
|
|
| Eccentricity (e) | 0.121 |
| Semi-major axis (a) | 328.352 Gm (2.195 AU) |
| Perihelion (q) | 288.533 Gm (1.929 AU) |
| Aphelion (Q) | 368.171 Gm (2.461 AU) |
| Orbital period (P) | 1187.714 d (3.25 a) |
| Mean orbital speed | 20.1 km/s |
| Inclination (i) | 4.515° |
| Longitude of the ascending node (Ω) |
28.545° |
| Argument of perihelion (ω) |
233.227° |
| Mean anomaly (M) | 147.782° |
| Physical characteristics D | |
| Dimensions | 12.0 km |
| Mass | unknown |
| Density | unknown |
| Surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | 6.0 h |
| Spectral class | S |
| Absolute magnitude | 12.13 |
| Albedo (geometric) | 0.170 |
| Mean surface temperature |
unknown |
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.
[edit] References
- The Asteroid Orbital Elements Database
- Minor Planet Discovery Circumstances
- Asteroid Lightcurve Data File
| Minor planets | ||
|---|---|---|
| Previous minor planet | 254 Augusta | 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.
