Borisov

Orbital elements

Semi-major axis

-349.874 AU

Eccentricity

1.0026

Inclination

14.55°

Perihelion

0.901 AU

Longitude of ascending node

142.73°

Argument of periapsis

152.47°

Epoch · J2000

JD 2457853.63864 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 14.7 LD

0.0379 AU

Tisserand (Jupiter)

1.139

Orbit quality

Observations used

183

Data arc

116 days

First observed

1 March 2017

Last observed

25 June 2017

Residual RMS

0.74 ″

Solution · Otto Matic

15 April 2021

Visual & observation

Absolute magnitude (H)

14

Total magnitude M₁ · K₁ 32

14

Discovery & classification

Also known as 2017 E1