(31531) ARRL
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Asteroid (31531) ARRL  | 
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main outer belt asteroid | 
| Major semi-axis | 2.9041647 AU | 
| eccentricity | 0.0773931 | 
| Perihelion - aphelion | 2.6794024 AU - 3.128927 AU | 
| Inclination of the orbit plane | 2.42440 ° | 
| Sidereal period | 4.95 a | 
| Physical Properties | |
| Rotation period | ? | 
| Absolute brightness | 14.6 mag | 
| history | |
| Explorer | Spacewatch | 
| Date of discovery | February 9, 1999 | 
| Another name | 1999 CQ137, 1996 SE7 | 
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(31531) ARRL is a major outer belt asteroid discovered on February 9, 1999 as part of the Spacewatch program.
It is named after the American Radio Relay League . The name was suggested by Joseph L. Montani, University of Arizona , who gave his name to the asteroid (7656) Joemontani .