McNaught

Orbital elements

Semi-major axis

-2,154.765 AU

Eccentricity

1.001

Inclination

162.23°

Perihelion

2.155 AU

Longitude of ascending node

152.59°

Argument of periapsis

354.55°

Epoch · J2000

JD 2455820.91219 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 453.4 LD

1.1649 AU

Tisserand (Jupiter)

-1.732

Orbit quality

Observations used

487

Data arc

348 days

First observed

5 April 2011

Last observed

18 March 2012

Residual RMS

0.77 ″

Solution · Otto Matic

15 April 2021

Visual & observation

Absolute magnitude (H)

14.4

Total magnitude M₁ · K₁ 5

14.4

Discovery & classification

Also known as 2011 G1