Kohoutek

Orbital elements

Semi-major axis

-18,236.507 AU

Eccentricity

1

Inclination

14.3°

Perihelion

0.142 AU

Longitude of ascending node

258.49°

Argument of periapsis

37.8°

Epoch · J2000

JD 2442044.93068 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 11.3 LD

0.029 AU

Orbit quality

Observations used

812

Data arc

453 days

First observed

28 January 1973

Last observed

26 April 1974

Residual RMS

0.61 ″

Solution · Otto Matic

15 April 2021

Visual & observation

Absolute magnitude (H)

5.8

Total magnitude M₁ · K₁ 9

5.8

Discovery & classification

Also known as 1973 E1