ATLAS

Orbital elements

Semi-major axis

-1,299.167 AU

Eccentricity

1.0003

Inclination

147.86°

Perihelion

0.334 AU

Longitude of ascending node

97.56°

Argument of periapsis

271.02°

Epoch · J2000

JD 2460956.93979 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 62.6 LD

0.161 AU

Orbit quality

Observations used

2,413

Data arc

278 days

First observed

8 April 2025

Last observed

11 January 2026

Residual RMS

0.55 ″

Solution · Davide Farnocchia

9 October 2026

Visual & observation

Absolute magnitude (H)

14.2

Total magnitude M₁ · K₁ 4.5

14.2

Discovery & classification

Also known as 2025 K1