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Comet Arend-Roland - Wikipedia, the free encyclopedia

Comet Arend-Roland

From Wikipedia, the free encyclopedia

C/1956 R1 (Arend-Roland)
Taken at the Armagh Observatory on April 25, 1957 [1]
Discovery
Discovered by: Sylvain Arend,
Georges Roland
Discovery date: 1956
Alternate designations: Great Comet of 1957,
1957 III, 1956h, 1956 R1
Orbital characteristics A
Epoch: 2435920.5 (March 23, 1957)
Aphelion distance: N/A
Perihelion distance: 0.316 AU
Semi-major axis: N/A
Eccentricity: 1.00017
Orbital period: N/A
Inclination: 119.9°
Last perihelion: April 8, 1957
Next perihelion: N/A

Comet Arend-Roland, formally designated C/1956 R1, 1957 III, and 1956h, was discovered on November 8, 1956, by Sylvain Arend and Georges Roland on photographic plates. It appeared brightest in 1957 and became very bright as it passed through the inner solar system. It was notable for the appearance after perihelion of a prominent antitail. It was travelling on a hyperbolic orbit, meaning it is travelling fast enough to escape from the solar system entirely.

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