Koehn

Orbital elements

Semi-major axis

-2,729,545.222 AU

Eccentricity

1

Inclination

148.1°

Perihelion

5.922 AU

Longitude of ascending node

88.88°

Argument of periapsis

55.16°

Epoch · J2000

JD 2451571.23490 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 1,962.4 LD

5.0424 AU

Tisserand (Jupiter)

-2.561

Orbit quality

Observations used

64

Data arc

2.7 years

First observed

14 December 1998

Last observed

27 August 2001

Residual RMS

0.79 ″

Solution · Otto Matic

15 April 2021

Visual & observation

Absolute magnitude (H)

5.1

Total magnitude M₁ · K₁ 11.8

5.1

Discovery & classification

Also known as 2000 O1