Definitions

Helin

111P/Helin-Roman-Crockett

111P/Helin-Roman-Crockett is a periodic comet in our solar system.

External links

http://adsabs.harvard.edu/abs/1990ndpd.conf..273T

http://adsabs.harvard.edu/abs/1989IAUC.4714....1H

Orbital Data:

http://www9.ocn.ne.jp/~comet/pcmtn/0111p.htm

Observations:

http://www.oaa.gr.jp/~oaacs/nk/nk797.htm

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