Cernis

Orbital elements

Semi-major axis

-2,173.674 AU

Eccentricity

1.0015

Inclination

134.7°

Perihelion

3.318 AU

Longitude of ascending node

209.58°

Argument of periapsis

186.21°

Epoch · J2000

JD 2445536.68663 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 905.4 LD

2.3266 AU

Orbit quality

Observations used

229

Data arc

7.81 years

First observed

21 July 1983

Last observed

14 May 1991

Residual RMS

0.59 ″

Solution · Otto Matic

15 April 2021

Visual & observation

Absolute magnitude (H)

5.2

Total magnitude M₁ · K₁ 6.3

5.2

Discovery & classification

Also known as 1983 O1