(15258) Alfilipenko Outer Main-belt Asteroid
Discovered on 15 September 1990 by L. V. Zhuravleva at Nauchnyj.
Aleksandr Vasil'evich Filipenko (b. 1950), a civil engineer at Khanty-Mansijsk in Siberia, is the chairman of a charitable fund for the memory of Prince Menshikov (1673-1729), Russian statesman and military leader during reign of Peter the Great.Naming citation (20040713/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Alfilipenko is today
Seen from above the solar system on 2026-10-14: Alfilipenko is 3.48 au from the Sun and 3.30 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15258 |
| Provisional designation | 1990 RN17 |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 12.1 km (#4,060 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0840 |
| Rotation period | 4.37 hours |
| Absolute magnitude (H) | 13.22 |
| Orbital period | 5.82 years |
| Semi-major axis | 3.24 au |
| Perihelion – aphelion | 2.71 – 3.77 au |
| Eccentricity | 0.164 |
| Inclination | 6.73° |
| Closest distance between its orbit and Earth's (MOID) | 1.70 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Aleksandr
- (2112) Ulyanov
- (2208) Pushkin
- (4420) Alandreev
- (5014) Gorchakov
- (5219) Zemka
- (6075) Zajtsev
- (7269) Alprokhorov
- (7558) Yurlov
- (7910) Aleksola
- (7996) Vedernikov
- (8322) Kononovich
- (8339) Kosovichia
All asteroids named after someone called Aleksandr
Also discovered on 15 September 1990
- (5185) Alerossi
- (5681) Bakulev
- (6134) Kamagari
- (6311) Porubcan
- (8498) Ufa
- (13049) Butov
- (21043) Pascalwillis
- (30821) Chernetenko