Rahul Sharma (Editor)

1089 Tama

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Discovered by  Okuro Oikawa
Minor planet category  Main belt
Discovered  17 November 1927
Discoverer  Okuro Oikawa
Asteroid family  Flora family
Discovery date  17 November 1927
Observation arc  120.83 yr (44133 days)
Orbits  Sun
Named after  Tama River
Moon  S/2003 (1089) 1
1089 Tama httpsuploadwikimediaorgwikipediacommonsthu
Alternative names  A894 VA; A904 VD; A919 HA; 1927 WB; 1930 ST; 1952 HE4
Aphelion  2.49560 AU (373.336 Gm)
Similar  Asteroid belt, 1338 Duponta, 283 Emma, Solar System, 1333 Cevenola

1089 Tama is a main-belt asteroid that measures ~13 km in diameter. It was discovered by Japanese astronomer Okuro Oikawa in 1927, and is named after the Tama River in Japan.

In 2004, it was announced that Tama has a moon, designated S/2003 (1089) 1. The satellite was identified based on lightcurve observations from 24 December 2003 to 5 January 2004 by Raoul Behrend, René Roy, Claudine Rinner, Pierre Antonini, Petr Pravec, Alan Harris, Stefano Sposetti, Russell Durkee, and Alain Klotz. The moon is about 9 km in diameter. It may orbits 20 km away in a period of 0.6852±0.0002 days (synchronously), and Tama itself appears to be somewhat elongated in shape.

References

1089 Tama Wikipedia


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