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Periodic comet with 10 year orbit From Wikipedia, the free encyclopedia
42P/Neujmin, also known as Neujmin 3, is a periodic comet 2 km in diameter.
Discovery | |
---|---|
Discovered by | Grigory Neujmin |
Discovery date | August 2, 1929 |
Designations | |
1929 III; 1; 1993 XVI | |
Orbital characteristics | |
Epoch | March 6, 2006 |
Aphelion | 7.701 AU |
Perihelion | 2.014 AU |
Semi-major axis | 4.858 AU |
Eccentricity | 0.5854 |
Orbital period | 10.71 a |
Inclination | 3.9854° |
Last perihelion | April 8, 2015[1] July 15, 2004[1][2] |
Next perihelion | January 14, 2026[1] |
This comet and 53P/Van Biesbroeck are fragments of a parent comet that split in March 1845.[3][4][5]
The comet did not come within 1 AU of a planet in the 20th century, but will pass 0.04 AU from asteroid 4 Vesta on July 17, 2036.[6]
The comet nucleus is estimated to be 2.2 kilometers in diameter.[7]
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