ATLAS

Orbital elements

Semi-major axis

-2,040.43 AU

Eccentricity

1.0024

Inclination

125.57°

Perihelion

4.971 AU

Longitude of ascending node

186.62°

Argument of periapsis

340.77°

Epoch · J2000

JD 2457870.24210 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 1,559.5 LD

4.0072 AU

Tisserand (Jupiter)

-1.61

Orbit quality

Observations used

523

Data arc

788 days

First observed

26 January 2017

Last observed

25 March 2019

Residual RMS

0.67 ″

Solution · Otto Matic

15 April 2021

Visual & observation

Absolute magnitude (H)

11.1

Total magnitude M₁ · K₁ 4.5

11.1

Discovery & classification

Also known as 2017 D3