Comet 31P/Schwassmann-Wachmann 2
Named after Arnold Schwassmann and Arno Arthur Wachmann who discovered the comet on 17 January 1929 at the Hamburg Observatory in Bergedorf, Germany.
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This file is not available for download, but provided by the Alcyone Ephemeris Small Body Data File DVD.
Alternate designation | 1929 I; 1935 III; 1942 I; 1948 VII; 1955 I; 1961 VII; 1968 II; 1974 XIII; 1981 VI; 1987 XIX; 1994 II |
Classification | Jupiter-family Comet |
Osculating Orbital Elements
Epoch | 2452800,5 |
Semi major axis | 4,2287 AU |
Period [Julian yrs] | 8,696 Julian years |
Inclination | 4,550 ° |
Eccentricity | 0,1939 |
Lon. of ascending node | 114,196 ° |
Argument of perihelion | 18,342 ° |
Passage of perihelion | 2002-Jan-18.033426 |
Aphelion distance | 5,0485 AU |
Mean anomaly | 57,574 ° |
Physical Data
Radius | 3,10 km |
Total magnitude (M1) | 2,5 |
Total magnitude slope (k1) | 24 |
Discovery Circumstances
Discoverer | Arnold Schwassmann and Arno Arthur Wachmann |
Discovered | 1929-01-17 |
Data File
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