Lemmon

Orbital elements

Semi-major axis

-17,070.792 AU

Eccentricity

1.0003

Inclination

76.99°

Perihelion

5.089 AU

Longitude of ascending node

66.31°

Argument of periapsis

64.75°

Epoch · J2000

JD 2461037.52546 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 1,781.1 LD

4.5767 AU

Orbit quality

Observations used

613

Data arc

3.14 years

First observed

18 August 2023

Last observed

8 October 2026

Residual RMS

0.6 ″

Solution · Otto Matic

14 October 2026

Visual & observation

Absolute magnitude (H)

7.6

Total magnitude M₁ · K₁ 10

7.6

Discovery & classification

Also known as 2023 X2