Barnard

Orbital elements

Semi-major axis

-1,475.541 AU

Eccentricity

1.0012

Inclination

166.38°

Perihelion

1.815 AU

Longitude of ascending node

358.98°

Argument of periapsis

340.46°

Epoch · J2000

JD 2411034.16820 (perihelion)

Orbit class · HYP

Hyperbolic comet

Orbit quality

Observations used

173

Data arc

684 days

First observed

3 September 1888

Last observed

19 July 1890

Discovery & classification

Also known as 1888 R1