(39285) Kipkeino Jupiter Trojan
Discovered on 26 January 2001 by Spacewatch at Kitt Peak.
Kipchoge Keino (b. 1940) won the 1500-m event at the 1968 Olympics by a record-setting margin of 20 meters. His running career spanned 1962 to 1973. After retiring, he and his wife, Phyllis, worked to educate and care for orphans in Kenya. In 2016 he was awarded the first Olympic Laurel for education, culture, development and peace through sport.Naming citation (WGSBN Bull. 1, #1, 17), IAU / Minor Planet Center, via NASA/JPL
Where Kipkeino is today
Seen from above the solar system on 2026-10-14: Kipkeino is 5.35 au from the Sun and 6.31 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 39285 |
| Provisional designation | 2001 BP75 |
| Orbit class | Jupiter Trojan |
| Diameter | 17.6 km (#2,565 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0630 |
| Absolute magnitude (H) | 12.69 |
| Orbital period | 11.8 years |
| Semi-major axis | 5.19 au |
| Perihelion – aphelion | 4.76 – 5.61 au |
| Eccentricity | 0.0819 |
| Inclination | 6.49° |
| Closest distance between its orbit and Earth's (MOID) | 3.78 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.