Lemmon

Orbital elements

Semi-major axis

-1,972.582 AU

Eccentricity

1.004

Inclination

148.85°

Perihelion

7.928 AU

Longitude of ascending node

281.62°

Argument of periapsis

196.35°

Epoch · J2000

JD 2458238.46487 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 2,706.4 LD

6.9543 AU

Tisserand (Jupiter)

-1.761

Orbit quality

Observations used

741

Data arc

4.88 years

First observed

4 December 2015

Last observed

20 October 2020

Residual RMS

0.62 ″

Solution · Otto Matic

31 July 2022

Visual & observation

Absolute magnitude (H)

6.4

Total magnitude M₁ · K₁ 8.3

6.4

Discovery & classification

Also known as 2015 XY1