McNaught

Orbital elements

Semi-major axis

-1,096.4 AU

Eccentricity

1.0018

Inclination

104.26°

Perihelion

1.943 AU

Longitude of ascending node

131.35°

Argument of periapsis

257.03°

Epoch · J2000

JD 2455866.77313 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 582.5 LD

1.4967 AU

Orbit quality

Observations used

57

Data arc

240 days

First observed

2 June 2011

Last observed

28 January 2012

Residual RMS

0.59 ″

Solution · Otto Matic

15 April 2021

Visual & observation

Absolute magnitude (H)

11.8

Total magnitude M₁ · K₁ 13

11.8

Discovery & classification

Also known as 2011 L2