Lemmon

Orbital elements

Semi-major axis

-1,083.006 AU

Eccentricity

1.0018

Inclination

34.45°

Perihelion

1.957 AU

Longitude of ascending node

91.14°

Argument of periapsis

134.14°

Epoch · J2000

JD 2458271.72392 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 413.3 LD

1.062 AU

Orbit quality

Observations used

1,672

Data arc

272 days

First observed

28 January 2018

Last observed

27 October 2018

Residual RMS

0.27 ″

Solution · Otto Matic

15 April 2021

Visual & observation

Absolute magnitude (H)

7.6

Total magnitude M₁ · K₁ 26.5

7.6

Discovery & classification

Also known as 2018 C2