21617 Johnhagen
From Infogalactic: the planetary knowledge core
| Discovery | |
|---|---|
| Discovered by | Lincoln Laboratory Near-Earth Asteroid Research Team |
| Discovery site | Socorro |
| Discovery date | May 13, 1999 |
| Designations | |
| MPC designation | 21617 |
| 1999 JO119 | |
| Orbital characteristics | |
| Epoch May 14, 2008 | |
| Aphelion | 2.6876876 |
| Perihelion | 1.9955280 |
| Eccentricity | 0.1477958 |
| 1308.7890785 | |
| 67.97162 | |
| Inclination | 2.42622 |
| 221.98527 | |
| 148.25422 | |
| Physical characteristics | |
| 14.8 | |
21617 Johnhagen (1999 JO119) is a main-belt asteroid discovered on May 13, 1999 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. The asteroid is named after John Thomas Hagen as an award for placing second in the Space Science category at the 2005 Intel International Science and Engineering Fair.[1] John designed and tested a balloon that could be used to explore the surface of Mars in ways that satellites and rovers could not.[2] John Hagen was born in 1988 in Defiance, Ohio and attended Ayersville High School while developing his project.
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