C/1980 E1 (Bowell)
Non-periodic comet / From Wikipedia, the free encyclopedia
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C/1980 E1 is a non-periodic comet discovered by Edward L. G. Bowell on 11 February 1980 and which came closest to the Sun (perihelion) in March 1982. It is leaving the Solar System on a hyperbolic trajectory due to a close approach to Jupiter. In the 43 years since its discovery only two objects with higher eccentricities have been identified, 1I/ʻOumuamua (1.2) and 2I/Borisov (3.35).[3][4]
Quick Facts Discovery, Discovered by ...
Discovery | |
---|---|
Discovered by | Edward L. G. Bowell |
Discovery date | 11 February 1980 |
Designations | |
C/1980 E1 | |
Orbital characteristics[1] | |
Epoch | JD 2444972.5 (3 January 1982) |
Observation arc | 6.88 years |
Number of observations | 187 |
Aphelion | ~75000 AU (inbound)[2] |
Perihelion | 3.3639 AU[1] |
Eccentricity | 1.057[1] (hyperbolic trajectory) 1.053 (epoch 1984+)[2] |
Orbital period | ~7.1 million years (epoch 1950)[2] Ejection (epoch 1977+)[2] |
Inclination | 1.6617° |
114.558° | |
Argument of periapsis | 135.083° |
Last perihelion | 12 March 1982[1] |
Physical characteristics | |
Dimensions | > 1 km |
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