299 Thora
From Infogalactic: the planetary knowledge core
| Discovery | |
|---|---|
| Discovered by | Johann Palisa |
| Discovery date | October 6, 1890 |
| Designations | |
|
Named after
|
Thor |
| Main belt | |
| Orbital characteristics | |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 386.739 Gm (2.585 AU) |
| Perihelion | 341.515 Gm (2.283 AU) |
| 364.127 Gm (2.434 AU) | |
| Eccentricity | 0.062 |
| 1387.017 d (3.8 a) | |
|
Average orbital speed
|
19.09 km/s |
| 31.11° | |
| Inclination | 1.601° |
| 241.63° | |
| 150.489° | |
| Physical characteristics | |
| Dimensions | 17.0 km[1] |
| 274 h[1] | |
| Albedo | 0.1673[1] |
| 11.3[1] | |
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299 Thora is a 17km Main belt asteroid with a potentially long 274 hour rotation period.[1] It was discovered by Johann Palisa on October 6, 1890 in Vienna.
References
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