Borisov

Orbital elements

Semi-major axis

-5,980.196 AU

Eccentricity

1.0014

Inclination

78.58°

Perihelion

8.458 AU

Longitude of ascending node

344.97°

Argument of periapsis

91.59°

Epoch · J2000

JD 2459624.15105 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 3,230.5 LD

8.301 AU

Tisserand (Jupiter)

0.714

Orbit quality

Observations used

215

Data arc

2.85 years

First observed

8 June 2021

Last observed

13 April 2024

Residual RMS

0.53 ″

Solution · Otto Matic

20 April 2024

Visual & observation

Absolute magnitude (H)

9.5

Total magnitude M₁ · K₁ 6

9.5

Discovery & classification

Also known as 2021 L3