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Comet

Alcock

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C/1965 S2 (Alcock)

Orbital elements

Semi-major axis
-3,753.107 AU
Eccentricity
1.0003
Inclination
65.01°
Perihelion
1.294 AU
Longitude of ascending node
175.62°
Argument of periapsis
150.52°
Epoch · J2000
JD 2439059.63668 (perihelion)
Orbit class · HYP
Hyperbolic comet
Earth MOID · 140.7 LD
0.3616 AU

Orbit quality

Observations used
29
Data arc
30 days
First observed
27 September 1965
Last observed
27 October 1965
Residual RMS
0.64 ″
Solution · Otto Matic
15 April 2021

Discovery & classification

Also known as 1965 S2

Named

Sources