Lemmon-Siding Spring

Orbital elements

Semi-major axis

-1,668.924 AU

Eccentricity

1.0027

Inclination

61.18°

Perihelion

4.511 AU

Longitude of ascending node

218.27°

Argument of periapsis

80.42°

Epoch · J2000

JD 2455468.71132 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 1,578.5 LD

4.0561 AU

Orbit quality

Observations used

3,622

Data arc

5.6 years

First observed

31 March 2008

Last observed

6 November 2013

Residual RMS

0.7 ″

Solution · Otto Matic

15 April 2021

Visual & observation

Absolute magnitude (H)

9.7

Total magnitude M₁ · K₁ 5.3

9.7

Discovery & classification

Also known as 2008 FK75