Austin

Orbital elements

Semi-major axis

-1,533.545 AU

Eccentricity

1.0002

Inclination

58.96°

Perihelion

0.35 AU

Longitude of ascending node

75.93°

Argument of periapsis

61.58°

Epoch · J2000

JD 2447991.46757 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 53.9 LD

0.1386 AU

Orbit quality

Observations used

266

Data arc

203 days

First observed

6 December 1989

Last observed

27 June 1990

Residual RMS

0.65 ″

Solution · Otto Matic

15 April 2021

Visual & observation

Absolute magnitude (H)

8.4

Total magnitude M₁ · K₁ 13

8.4

Discovery & classification

Also known as 1989 X1