McNaught

Orbital elements

Semi-major axis

-4,655.992 AU

Eccentricity

1.0002

Inclination

82.55°

Perihelion

1.073 AU

Longitude of ascending node

277.88°

Argument of periapsis

348.47°

Epoch · J2000

JD 2454738.62442 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 25.9 LD

0.0666 AU

Orbit quality

Observations used

906

Data arc

636 days

First observed

10 January 2008

Last observed

7 October 2009

Residual RMS

0.67 ″

Solution · Otto Matic

16 April 2021

Visual & observation

Absolute magnitude (H)

8.1

Total magnitude M₁ · K₁ 10

8.1

Discovery & classification

Also known as 2008 A1