_Pyrrha.png) Modelled shape ofPyrrha from itslightcurve | |
| Discovery | |
|---|---|
| Discovered by | August Kopff |
| Discovery site | Heidelberg |
| Discovery date | 5 April 1907 |
| Designations | |
| (632) Pyrrha | |
| Pronunciation | /ˈpɪrə/,[1] |
| 1907 YX | |
| Orbital characteristics[2] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 109.03 yr (39823 d) |
| Aphelion | 3.1695 AU (474.15 Gm) |
| Perihelion | 2.1583 AU (322.88 Gm) |
| 2.6639 AU (398.51 Gm) | |
| Eccentricity | 0.18979 |
| 4.35yr (1588.1d) | |
| 33.9510° | |
| 0° 13m 36.084s / day | |
| Inclination | 2.2156° |
| 356.505° | |
| 252.767° | |
| Physical characteristics | |
| 4.1167 h (0.17153 d) | |
| 11.4 | |
632 Pyrrha is aminor planet orbiting theSun.
Photometric observations of the minor planet in 2011 gave arotation period of4.1167±0.001 h with anamplitude of0.40±0.04 in magnitude. This result rules out previous determinations of the period.[3]
_mathilde.jpg) | This article about an asteroid native to theasteroid belt is astub. You can help Wikipedia byadding missing information. |
