133P/(7968) Elst-Pizarro

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Profile The tail was observed in 1996. At that time, the nucleus was observed brighter than usual by 2-3 mag. It must be in outburst, though no coma was observed. After 1998, the orbit and the light curve suggest that it is a typical main belt asteroid. It has been observed as 19-21 mag at opposition. Usually, it looks completely asteroidal. The tail was observed again in 2002 autumn, but no outburst happened. Returns and Appearances Discovered Appeared Not observed Appeared before discovery Not observed before discovery Returns in the future 133P/(7968) 2007 June 29 133P/(7968) 2001 Nov. 23 133P/(7968) 1996 N2 1996 Apr. 18 1990 Sept.16 133P/(7968) 1985 Feb. 14 133P/(7968) 1979 OW7 1979 July 13

The perihelion dates in 1979 are printed on IAUC 6457. The appearance in 1985 is printed on IAUC 6473. The perihelion dates in 1985 and 1990 are calculated using the Minor Planet & Comet Ephemeris Service. Information on the discovery and historical highlights are available at General Comet Info (Gary W. Kronk). The past and future orbital elements calculated by Kazuo Kinoshita (http://www9.ocn.ne.jp/~comet/pcmtn/0133p.htm).