98 Ianthe
| Discovery | |
|---|---|
| Discovered by | Christian Heinrich Friedrich Peters |
| Discovery date | April 18, 1868 |
| Designations | |
Named after | Ianthe |
| Main belt | |
| Orbital characteristics | |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion | 477.729 Gm (3.193 AU) |
| Perihelion | 325.503 Gm (2.176 AU) |
| 401.616 Gm (2.685 AU) | |
| Eccentricity | 0.190 |
| 1606.670 d (4.40 a) | |
Average orbital speed | 18.01 km/s |
| 198.904° | |
| Inclination | 15.613° |
| 354.137° | |
| 158.566° | |
| Physical characteristics | |
| Dimensions | 104.5 km |
| Mass | 1.2×1018 kg |
Mean density | ? g/cm³ |
| 0.0292 m/s² | |
| 0.0552 km/s | |
| ? d | |
| Albedo | 0.047 [1] |
| Temperature | ~170 K |
Spectral type | C |
| 8.84 | |
98 Ianthe (/[invalid input: 'icon']aɪˈænθiː/ eye-AN-thee) is a large main-belt asteroid. Named for the various Ianthe in Greek mythology. It is very dark and is composed of carbonates. It was one of the numerous (for his time--the 19th century) discoveries by C. H. F. Peters, who found it on April 18, 1868, from Clinton, New York.
References
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