917 Lyka
| Discovery | |
|---|---|
| Discovered by | G. N. Neujmin |
| Discovery site | Simeis |
| Discovery date | 5 September 1915 |
| Designations | |
| 1915 S4 | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 89.63 yr (32738 days) |
| Aphelion | 2.8603 AU (427.89 Gm) |
| Perihelion | 1.9034 AU (284.74 Gm) |
| 2.3819 AU (356.33 Gm) | |
| Eccentricity | 0.20087 |
| 3.68 yr (1342.7 d) | |
| 166.936° | |
| 0° 16m 5.232s / day | |
| Inclination | 5.1331° |
| 343.460° | |
| 359.516° | |
| Earth MOID | 0.894667 AU (133.8403 Gm) |
| Jupiter MOID | 2.53302 AU (378.934 Gm) |
| Jupiter Tisserand parameter | 3.505 |
| Physical characteristics | |
Mean radius | 14.05±1.95 km |
| 7.92 h (0.330 d) | |
| 0.0891±0.031 | |
| 11.6 | |
|
| |
917 Lyka is a minor planet orbiting the Sun.
References
- ↑ "917 Lyka (1915 S4)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 2 May 2016.
External links
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