Zanotta-Brewington

Orbital elements

Semi-major axis

-11,357.973 AU

Eccentricity

1.0001

Inclination

50.03°

Perihelion

0.644 AU

Longitude of ascending node

254.91°

Argument of periapsis

197.87°

Epoch · J2000

JD 2448653.49144 (perihelion)

Orbit class · HYP

Hyperbolic comet

Earth MOID · 124.5 LD

0.32 AU

Orbit quality

Observations used

266

Data arc

130 days

First observed

24 December 1991

Last observed

2 May 1992

Residual RMS

0.67 ″

Solution · Otto Matic

15 April 2021

Visual & observation

Absolute magnitude (H)

10.2

Total magnitude M₁ · K₁ 14.8

10.2

Discovery & classification

Also known as 1991 Y1