IRAS

Orbital elements

Semi-major axis

-17,374.674 AU

Eccentricity

1.0001

Inclination

120.74°

Perihelion

2.255 AU

Longitude of ascending node

201.26°

Argument of periapsis

333.98°

Epoch · J2000

JD 2445666.50407 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 510.9 LD

1.3129 AU

Orbit quality

Observations used

35

Data arc

306 days

First observed

4 August 1983

Last observed

5 June 1984

Residual RMS

0.7 ″

Solution · Otto Matic

15 April 2021

Visual & observation

Absolute magnitude (H)

9.4

Total magnitude M₁ · K₁ 10.8

9.4

Discovery & classification

Also known as 1983 O2