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COMET OBSERVATIONS

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C/2021 Q3 (ATLAS)

Orbital period : 644.90 years

NASA/JPL elements
IAU/MPC elements

Magnitude and Afrho plots

MPC reports dump

ICQ reports dump

Pictures gallery

Spectrums gallery

Statistics



Num Date
[TU]
 Julian day
-2400000		 Comet/Object Name r
(/Sun)
[AU]		 d
(/Earth)
[AU]		 Pict
 Spec
 Coma
Total
mag
(m1)
 Nuclear
mag
(m2)
 Coma
diameter
[']
 Coma
conden
sation		 Tail
length
[°]		 Tail
position
angle
[°]		 Afrho
[cm]		 Instr
diameter
[mm]		 Instr m1
aperture
radius
[']
 m2
aperture
radius
["]
 Obs
MPC
code		 Who
241262021 10 10.759499.27835C/2021 Q3 (ATLAS) 5.265 5.241Pict--18.7 --- - -250L -6L27jfsoulier
239802021 09 17.759476.29958C/2021 Q3 (ATLAS) 5.298 5.353Pict--19.1 --- - -410L -5.6A77jnicolas
238832021 08 30.859458.33161C/2021 Q3 (ATLAS) 5.312 5.415Pict--19.3 --- - -400L -5.8A77fkugel
238752021 08 28.859456.33124C/2021 Q3 (ATLAS) 5.315 5.423Pict--19 --- - -250L -6L27jfsoulier

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