ATLAS

Orbital elements

Semi-major axis

-1,949.127 AU

Eccentricity

1.0019

Inclination

57.58°

Perihelion

3.685 AU

Longitude of ascending node

139.88°

Argument of periapsis

348.49°

Epoch · J2000

JD 2457599.74970 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 1,055.3 LD

2.7116 AU

Orbit quality

Observations used

620

Data arc

870 days

First observed

28 January 2015

Last observed

16 June 2017

Residual RMS

0.68 ″

Solution · Otto Matic

15 April 2021

Visual & observation

Absolute magnitude (H)

11.6

Total magnitude M₁ · K₁ 6

11.6

Discovery & classification

Also known as 2015 X7