92 Undina
| Discovery | |
|---|---|
| Discovered by | Christian Heinrich Friedrich Peters |
| Discovery date | July 7, 1867 |
| Designations | |
| Main belt | |
| Orbital characteristics | |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion | 525.202 Gm (3.511 AU) |
| Perihelion | 429.240 Gm (2.869 AU) |
| 477.221 Gm (3.190 AU) | |
| Eccentricity | 0.101 |
| 2081.086 d (5.70 a) | |
Average orbital speed | 16.63 km/s |
| 117.332° | |
| Inclination | 9.922° |
| 101.830° | |
| 242.178° | |
| Physical characteristics | |
| Dimensions | 126.4 km |
| Mass | 2.1×1018 kg |
Mean density | ? g/cm³ |
| 0.0353 m/s² | |
| 0.0668 km/s | |
| ? d | |
| Albedo | 0.251 [1] |
| Temperature | ~156 K |
Spectral type | M |
| 6.61 | |
92 Undina (/[invalid input: 'icon']ʌnˈdaɪnə/ un-DY-nə; Latin: Undīna) is a large main belt asteroid. It has an unusually high albedo and an M-type spectrum. It was discovered by C. H. F. Peters on July 7, 1867. It is named for the eponymous heroine of Undine, a popular novella by Friedrich de la Motte Fouqué. Undina is a member of the Veritas asteroid family, which formed some eight million years ago. See 490 Veritas for details.
References
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