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Comet

PANSTARRS

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C/2021 O3 (PANSTARRS)

Orbital elements

Semi-major axis
-1,899.063 AU
Eccentricity
1.0002
Inclination
56.77°
Perihelion
0.287 AU
Longitude of ascending node
189.03°
Argument of periapsis
299.98°
Epoch · J2000
JD 2459690.54160 (perihelion)
Orbit class · HYP
Hyperbolic comet
Earth MOID · 24.5 LD
0.063 AU
Tisserand (Jupiter)
0.446

Orbit quality

Observations used
760
Data arc
351 days
First observed
26 July 2021
Last observed
12 July 2022
Residual RMS
0.6 ″
Solution · Davide Farnocchia
8 August 2024

Visual & observation

Absolute magnitude (H)
13.6
Total magnitude M₁ · K₁ 4.5
13.6

Discovery & classification

Also known as 2021 O3

Named

Sources