Alcock

Orbital elements

Semi-major axis

-878.807 AU

Eccentricity

1.0013

Inclination

48.26°

Perihelion

1.15 AU

Longitude of ascending node

159.92°

Argument of periapsis

124.71°

Epoch · J2000

JD 2436798.11313 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 143.1 LD

0.3677 AU

Orbit quality

Observations used

22

Data arc

68 days

First observed

29 August 1959

Last observed

5 November 1959

Residual RMS

0.26 ″

Solution · Otto Matic

15 April 2021

Discovery & classification

Also known as 1959 Q1