Wirtanen

Orbital elements

Semi-major axis

-1,620.132 AU

Eccentricity

1.0027

Inclination

33.2°

Perihelion

4.447 AU

Longitude of ascending node

233.66°

Argument of periapsis

13.26°

Epoch · J2000

JD 2436083.91370 (perihelion)

Orbit class · HYP

Hyperbolic comet

Orbit quality

Observations used

37

Data arc

3.46 years

First observed

18 March 1956

Last observed

3 September 1959

Discovery & classification

Also known as 1956 F1-A