Lemmon

Orbital elements

Semi-major axis

-1,856.447 AU

Eccentricity

1.0009

Inclination

70.9°

Perihelion

1.634 AU

Longitude of ascending node

79.19°

Argument of periapsis

66.21°

Epoch · J2000

JD 2460591.20757 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 404.5 LD

1.0394 AU

Orbit quality

Observations used

763

Data arc

674 days

First observed

13 October 2023

Last observed

17 August 2025

Residual RMS

0.52 ″

Solution · Otto Matic

9 September 2025

Visual & observation

Absolute magnitude (H)

12.6

Total magnitude M₁ · K₁ 6.5

12.6

Discovery & classification

Also known as 2024 B1