- 20553 Donaldhowk
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Donaldhowk Discovery and designationDiscovered by Lincoln Laboratory Near-Earth Asteroid Research Team Discovery site Socorro Discovery date September 9, 1999 DesignationsMPC designation 20553 Alternate name(s) 1999 RQ113 Epoch May 14, 2008 Ap 2.5456900 Peri 2.0596302 Eccentricity 0.1055431 Orbital period 1276.2717889 Mean anomaly 285.83710 Inclination 2.79001 Longitude of ascending node 304.95346 Argument of peri 270.07260 Absolute magnitude (H) 15.0 20553 Donaldhowk (1999 RQ113) is a main-belt asteroid discovered on September 9, 1999 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
External links
- NASA JPL Small-Body Database Browser on 20553 Donaldhowk
References
Minor planets navigator (20552) 1999 RU112•20553 Donaldhowk• (20554) 1999 RW114Small Solar System bodies Minor planets - Designation
- Groups
- Moons
- Meanings of names
- Pronunciation of names
Comets Meteoroids Lists / categories - Asteroid groups and families
- Asteroid moons
- Binary asteroids
- Minor planets
Categories:- Main Belt asteroids
- Asteroids named for people
- Astronomical objects discovered in 1999
- Main Belt asteroid stubs
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