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Comet

Fuls

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C/2021 Q4 (Fuls)

Orbital elements

Semi-major axis
-2,393.67 AU
Eccentricity
1.0032
Inclination
71.47°
Perihelion
7.565 AU
Longitude of ascending node
183.33°
Argument of periapsis
147°
Epoch · J2000
JD 2460105.94956 (perihelion)
Orbit class · HYP
Hyperbolic comet
Earth MOID · 2,604.1 LD
6.6914 AU

Orbit quality

Observations used
558
Data arc
5.43 years
First observed
27 April 2020
Last observed
30 September 2025
Residual RMS
0.57 ″
Solution · Otto Matic
3 October 2025

Visual & observation

Absolute magnitude (H)
6.8
Total magnitude M₁ · K₁ 9.3
6.8

Discovery & classification

Also known as 2021 Q4

Named

Sources