ATLAS

Orbital elements

Semi-major axis

-8,398.75 AU

Eccentricity

1.0006

Inclination

48.47°

Perihelion

4.982 AU

Longitude of ascending node

221.1°

Argument of periapsis

343.27°

Epoch · J2000

JD 2460562.63427 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 1,556.8 LD

4.0003 AU

Tisserand (Jupiter)

1.835

Orbit quality

Observations used

5,224

Data arc

5.03 years

First observed

29 September 2021

Last observed

11 October 2026

Residual RMS

0.45 ″

Solution · Otto Matic

14 October 2026

Visual & observation

Absolute magnitude (H)

7

Total magnitude M₁ · K₁ 6.5

7

Discovery & classification

Also known as 2021 G2