LONEOS

Orbital elements

Semi-major axis

-1,220.705 AU

Eccentricity

1.0032

Inclination

130.68°

Perihelion

3.886 AU

Longitude of ascending node

344.79°

Argument of periapsis

261.49°

Epoch · J2000

JD 2454165.39662 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 1,287.4 LD

3.3081 AU

Orbit quality

Observations used

314

Data arc

3.71 years

First observed

3 March 2005

Last observed

17 November 2008

Residual RMS

0.67 ″

Solution · Otto Matic

15 April 2021

Visual & observation

Absolute magnitude (H)

7.7

Total magnitude M₁ · K₁ 9.3

7.7

Discovery & classification

Also known as 2005 EL173