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Comet 27P/Crommelin


Named after Andrew Claude de la Cherois Crommelin (1865-1939), a British astronomer.

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Alternate designationPons-Coggia-Winnecke-Forbes
ClassificationHalley-type Comet, NEO

Osculating Orbital Elements
Epoch2445880,5
Semi major axis9,0872 AU
Period [Julian yrs]27,394 Julian years
Inclination29,101 °
Eccentricity0,9192
Lon. of ascending node250,900 °
Argument of perihelion195,841 °
Passage of perihelion1984-Feb-20.168965
Aphelion distance17,4399 AU
Mean anomaly4,671 °

Physical Data
Total magnitude (M1)12
Total magnitude slope (k1)20
Nuclear magnitude (M2)16
Nuclear magnitude slope (k2)15

Discovery Circumstances
DiscovererJean Louis Pons
Discovered1818-02-23

Data File
Data File Name27P_Crommelin.aed
Data File Date2006-12-22
Data File Size2714 kB
Covered Period1800,00 - 2100,00