(917) Lyka Main-belt Asteroid
Discovered on 5 September 1915 by G. N. Neujmin at Simeis.
Where Lyka is today
Seen from above the solar system on 2026-10-14: Lyka is 2.44 au from the Sun and 2.33 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 917 |
| Provisional designation | A915 RR |
| Orbit class | Main-belt Asteroid |
| Diameter | 34.9 km (#1,156 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0560 |
| Rotation period | 7.87 hours |
| Absolute magnitude (H) | 11.75 |
| Orbital period | 3.67 years |
| Semi-major axis | 2.38 au |
| Perihelion – aphelion | 1.90 – 2.86 au |
| Eccentricity | 0.200 |
| Inclination | 5.12° |
| Closest distance between its orbit and Earth's (MOID) | 0.896 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 5 September 1915
More named asteroids discovered by G. N. Neujmin
- (748) Simeisa
- (751) Faina
- (752) Sulamitis
- (753) Tiflis
- (762) Pulcova
- (768) Struveana
- (769) Tatjana
- (779) Nina
- (780) Armenia
- (781) Kartvelia
- (787) Moskva
- (789) Lena
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