Discovery date 13 May 1999 Observation arc 9656 days (26.44 yr) Absolute magnitude 14.9 Discovery site Experimental Test Site MPC designation 21617 | Alternative names 1999 JO119 Discovered 13 May 1999 Orbits Sun Asteroid group Asteroid belt | |
Discovered by Lincoln Laboratory Near-Earth Asteroid Research Team Aphelion 2.6877055 AU (402.07502 Gm) Perihelion 1.9962723 AU (298.63809 Gm) Discoverer Lincoln Near-Earth Asteroid Research | ||
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. John designed and tested a balloon that could be used to explore the surface of Mars in ways that satellites and rovers could not. John Hagen was born in 1988 in Defiance, Ohio and attended Ayersville High School while developing his project.
References
21617 Johnhagen Wikipedia(Text) CC BY-SA