(28272) Mikejanner Main-belt Asteroid
Discovered on 10 February 1999 by LINEAR at Socorro.
Michael Leonard Janner (b. 1996) was awarded second place in the 2011 Intel International Science and Engineering Fair for his chemistry project. He attends the Redlands East Valley High School, Redlands, California, U.S.A.Naming citation (20121029/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Mikejanner is today
Seen from above the solar system on 2026-10-14: Mikejanner is 2.31 au from the Sun and 3.29 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 28272 |
| Provisional designation | 1999 CY17 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.20 km (#14,706 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.360 |
| Absolute magnitude (H) | 14.63 |
| Orbital period | 3.33 years |
| Semi-major axis | 2.23 au |
| Perihelion – aphelion | 1.86 – 2.61 au |
| Eccentricity | 0.169 |
| Inclination | 7.18° |
| Closest distance between its orbit and Earth's (MOID) | 0.853 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Michael
- (3192) A'Hearn
- (4477) Kelley
- (4599) Rowan
- (5373) Michaelkurtz
- (5554) Keesey
- (5569) Colby
- (6406) Mikejura
- (6569) Ondaatje
- (7738) Heyman
- (7936) Mikemagee
- (8032) Michaeladams
- (8129) Michaelbusch
All asteroids named after someone called Michael
Also discovered on 10 February 1999
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- (15088) Licitra
- (15492) Nyberg
- (16012) Jamierubin
- (16013) Schmidgall
- (16014) Sinha
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- (16016) Boylan