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(4489) 1988 AK

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Discovered by  E. Bowell
MPC designation  (4489) 1988 AK
Discovered  15 January 1988
Orbits  Sun
Discovery site  Anderson Mesa Station
Discovery date  15 January 1988
Observation arc  36.05 yr (13,167 days)
Absolute magnitude  9
Discoverer  Edward L. G. Bowell
Asteroid group  Jupiter trojan
Alternative names  1988 AK · 1980 KA1 1989 AQ1
Minor planet category  Jupiter trojan  (Greek camp)
People also search for  3564 Talthybius, 2648 Owa, Sun

(4489) 1988 AK is a rare-type Jupiter trojan from the Greek camp, approximately 92 kilometers in diameter. It was discovered by American astronomer Edward Bowell at the U.S. Anderson Mesa Station, Arizona, on 15 January 1988.

On December 18, 2012, 4489 has occulted the star TYC 2467-00054-1 over parts of the United States. 1988 AK's level of brightness equals magnitude 16.1 and the star's 11.1.

Photometric observations of this asteroid during 2010 were used to build a light curve showing a rotation period of 12.582 ± 0.004 hours with a brightness variation of 0.22 ± 0.01 magnitude.


(4489) 1988 AK Wikipedia