Lemmon

Orbital elements

Semi-major axis

-5,380.823 AU

Eccentricity

1.0009

Inclination

155.72°

Perihelion

4.997 AU

Longitude of ascending node

42.34°

Argument of periapsis

55.92°

Epoch · J2000

JD 2459050.14683 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 1,582.0 LD

4.0651 AU

Tisserand (Jupiter)

-2.526

Orbit quality

Observations used

248

Data arc

2.57 years

First observed

10 November 2018

Last observed

4 June 2021

Residual RMS

0.58 ″

Solution · Otto Matic

12 March 2024

Visual & observation

Absolute magnitude (H)

13.9

Total magnitude M₁ · K₁ 4.5

13.9

Discovery & classification

Also known as 2019 Q1