_Ostara.png) Modelled shape of Ostara from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery site | Heidelberg Obs. |
| Discovery date | 15 November 1892 |
| Designations | |
| MPC designation | (343) Ostara |
| Named after | Ēostre |
| Alternative designations | 1892 N · A892 VA |
| Minor planet category | Main belt |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 123.10 yr (44961 d) |
| Aphelion | 2.96385 AU (443.386 Gm) |
| Perihelion | 1.85989 AU (278.236 Gm) |
| Semi-major axis | 2.41187 AU (360.811 Gm) |
| Eccentricity | 0.22886 |
| Orbital period (sidereal) | 3.75 yr (1368.1 d) |
| Mean anomaly | 16.5913° |
| Mean motion | 0° 15 47.275 / day |
| Inclination | 3.26504° |
| Longitude of ascending node | 38.6320° |
| Argument of perihelion | 9.62726° |
| Physical characteristics | |
| Mean diameter | 19.10±1.3 km |
| Synodic rotation period | 109.87 h (4.578 d) |
| Geometric albedo | 0.1151±0.017 |
| Absolute magnitude (H) | 11.56 |
343 Ostara (prov. designation: A892 VA or 1892 N) is a background asteroid from the inner region of the asteroid belt. It was discovered by German astronomer Max Wolf at the Heidelberg Observatory on 15 November 1892.
References
- ^ "343 Ostara (1892 N)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.
External links
- 343 Ostara at AstDyS-2, Asteroids—Dynamic Site
- 343 Ostara at the JPL Small-Body Database
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