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C/2021 P4 (ATLAS)

Orbital period : 5369.00 years

NASA/JPL elements
IAU/MPC elements

Magnitude and Afrho plots

MPC reports dump

ICQ reports dump

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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
256412022 06 24.859756.36453C/2021 P4 (ATLAS) 1.233 1.985Pict-11.913.5 --- - -400L 0.45.8A77fkugel
256232022 06 08.859740.36499C/2021 P4 (ATLAS) 1.372 2.052Pict--13.7 --- - -400L -5.8A77fkugel
256162022 06 03.859735.36899C/2021 P4 (ATLAS) 1.421 2.080Pict-12.414 --- - -400L 0.45.8A77fkugel
256002022 05 31.859732.36425C/2021 P4 (ATLAS) 1.451 2.098Pict--13.9 --- - -400L -5.8A77fkugel
255862022 05 25.859726.39538C/2021 P4 (ATLAS) 1.513 2.139Pict-12.213.9 --- - -400L 0.45.8A77fkugel
255572022 05 19.859720.35348C/2021 P4 (ATLAS) 1.578 2.182Pict-1415.9 --- - -400L 0.45.8A77fkugel
255512022 05 17.859718.34436C/2021 P4 (ATLAS) 1.600 2.198Pict--14.9 --- - -400L -5.8A77fkugel
255222022 04 30.859701.32701C/2021 P4 (ATLAS) 1.790 2.337Pict-12.914.9 --- - -400L 0.45.8A77fkugel
253682022 04 16.859687.31042C/2021 P4 (ATLAS) 1.952 2.457Pict-13.114.6 --- - -400L 0.45.8A77fkugel
253572022 04 07.159677.66486C/2021 P4 (ATLAS) 2.056 2.532Pict--15.1 --- - -400L -8.3A77fkugel
253432022 04 03.159673.64927C/2021 P4 (ATLAS) 2.103 2.565Pict--14.8 --- - -400L -5.8A77fkugel
253292022 03 26.859666.3183C/2021 P4 (ATLAS) 2.196 2.627Pict--15.8 1.5-- - -540L -5.6K97pditz
252142022 03 04.759644.27427C/2021 P4 (ATLAS) 2.452 2.775Pict-14.915.8 --- - -400L 0.25.8A77fkugel
249842022 02 04.759616.26105C/2021 P4 (ATLAS) 2.774 2.901Pict--15.3 --- - -400L -5.8A77jgbosch
248252022 01 15.759596.24292C/2021 P4 (ATLAS) 3.000 2.954Pict--16.8 --- - -400L -5.8A77fkugel
246982021 12 31.759581.25186C/2021 P4 (ATLAS) 3.167 2.983Pict--16.7 --- - -400L -5.8A77fkugel
244312021 11 25.759545.22798C/2021 P4 (ATLAS) 3.559 3.073Pict--17.8 --- - -400L -4.69A77fkugel
243552021 11 11.759531.2685C/2021 P4 (ATLAS) 3.708 3.142Pict--18.5 --- - -400L -5.8A77fkugel
242292021 10 23.759512.26388C/2021 P4 (ATLAS) 3.908 3.289Pict--18.1 --- - -300L -6.5C10jfsoulier
242032021 10 17.859506.32096C/2021 P4 (ATLAS) 3.970 3.349---17.7 --- - -400L -5.8A77jgbosch
241602021 10 13.859502.394C/2021 P4 (ATLAS) 4.011 3.394Pict--18.1 --- - -400L -5.8A77jgbosch
240042021 09 22.859481.34118C/2021 P4 (ATLAS) 4.227 3.677Pict--19 --- - -300L -4.9C10jfsoulier
238442021 08 20.159447.63203C/2021 P4 (ATLAS) 4.560 4.271Pict--19 --- - -400L -5.8A77fkugel
238492021 08 18.859446.39203C/2021 P4 (ATLAS) 4.579 4.311Pict--19.8 --- - -250L -4.5L27jfsoulier
238502021 08 13.859441.37178C/2021 P4 (ATLAS) 4.629 4.412Pict--19.8 --- - -300L -4.9C10jfsoulier

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