(19591) Michaelklein Main-belt Asteroid
Discovered on 14 July 1999 by LINEAR at Socorro.
Michael Aaron Klein (b. 1989) is a finalist in the 2003 Discovery Channel Young Scientist Challenge, a middle school science competition, for his behavioral science project. He attends the Lawrence Middle School, Lawrence, New York.Naming citation (20031010/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Michaelklein is today
Seen from above the solar system on 2026-10-14: Michaelklein is 2.62 au from the Sun and 2.97 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 19591 |
| Provisional designation | 1999 NW21 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.75 km (#7,947 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0740 |
| Rotation period | 22.2 hours |
| Absolute magnitude (H) | 14.59 |
| Orbital period | 4.57 years |
| Semi-major axis | 2.75 au |
| Perihelion – aphelion | 2.48 – 3.02 au |
| Eccentricity | 0.0976 |
| Inclination | 6.30° |
| Closest distance between its orbit and Earth's (MOID) | 1.48 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 14 July 1999
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- (17170) Vsevustinov
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- (18824) Graves
- (18825) Alicechai
- (18826) Leifer
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- (19589) Kirkland