Bester

Orbital elements

Semi-major axis

-2,179.8 AU

Eccentricity

1.0003

Inclination

140.57°

Perihelion

0.748 AU

Longitude of ascending node

271.44°

Argument of periapsis

350.21°

Epoch · J2000

JD 2432597.92246 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 101.7 LD

0.2612 AU

Orbit quality

Observations used

42

Data arc

491 days

First observed

4 October 1947

Last observed

6 February 1949

Residual RMS

0.58 ″

Solution · Otto Matic

15 April 2021

Discovery & classification

Also known as 1947 S1