Lemmon

Orbital elements

Semi-major axis

-1,095.334 AU

Eccentricity

1.0041

Inclination

146.48°

Perihelion

4.5 AU

Longitude of ascending node

158.74°

Argument of periapsis

64.81°

Epoch · J2000

JD 2458088.49216 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 1,430.5 LD

3.6757 AU

Tisserand (Jupiter)

-2.181

Orbit quality

Observations used

89

Data arc

407 days

First observed

4 February 2017

Last observed

18 March 2018

Residual RMS

0.57 ″

Solution · Otto Matic

15 April 2021

Visual & observation

Absolute magnitude (H)

8.3

Total magnitude M₁ · K₁ 13.8

8.3

Discovery & classification

Also known as 2017 F1