Chen-Gao

Orbital elements

Semi-major axis

-1,909,647.272 AU

Eccentricity

1

Inclination

61.78°

Perihelion

1.262 AU

Longitude of ascending node

307.78°

Argument of periapsis

180.93°

Epoch · J2000

JD 2454573.35115 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 108.0 LD

0.2775 AU

Tisserand (Jupiter)

0.659

Orbit quality

Observations used

754

Data arc

119 days

First observed

30 January 2008

Last observed

28 May 2008

Residual RMS

0.71 ″

Solution · Otto Matic

15 April 2021

Visual & observation

Absolute magnitude (H)

13.8

Total magnitude M₁ · K₁ 5.3

13.8

Discovery & classification

Also known as 2008 C1