Shoemaker

Orbital elements

Semi-major axis

-16,789.101 AU

Eccentricity

1.0002

Inclination

137.6°

Perihelion

3.345 AU

Longitude of ascending node

164.68°

Argument of periapsis

176.04°

Epoch · J2000

JD 2445662.29547 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 909.9 LD

2.3379 AU

Orbit quality

Observations used

117

Data arc

624 days

First observed

7 September 1983

Last observed

23 May 1985

Residual RMS

0.66 ″

Solution · Otto Matic

15 April 2021

Visual & observation

Absolute magnitude (H)

5.8

Total magnitude M₁ · K₁ 10

5.8

Discovery & classification

Also known as 1983 R1