Lemmon

Orbital elements

Semi-major axis

-3,045.988 AU

Eccentricity

1.0025

Inclination

124.22°

Perihelion

7.614 AU

Longitude of ascending node

262.79°

Argument of periapsis

187.75°

Epoch · J2000

JD 2457901.38669 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 2,582.3 LD

6.6354 AU

Orbit quality

Observations used

157

Data arc

2.89 years

First observed

13 January 2016

Last observed

4 December 2018

Residual RMS

0.51 ″

Solution · Otto Matic

15 April 2021

Visual & observation

Absolute magnitude (H)

6.7

Total magnitude M₁ · K₁ 10

6.7

Discovery & classification

Also known as 2017 S7