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C/2017 M4 (ATLAS)


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
244732021 11 30.259549.76211C/2017 M4 (ATLAS) 9.189 9.156Pict--19.7 --- - -350L -5.6X03jlvirlichie
220702020 06 02.059003.54228C/2017 M4 (ATLAS) 5.554 5.283Pict--17.4 --- - -350L -7X03ptraverse
218362020 04 06.158946.63839C/2017 M4 (ATLAS) 5.179 4.780Pict--16.8 --- - -350L -7X03ptraverse
217562020 03 16.158925.68621C/2017 M4 (ATLAS) 5.042 4.747Pict--16.6 --- - -350L --X03ptraverse
217042020 03 05.258914.71256C/2017 M4 (ATLAS) 4.971 4.762Pict--16.7 --- - -350L -7X03ptraverse
216152020 02 18.358898.83351C/2017 M4 (ATLAS) 4.869 4.812Pict--16.8 --- - -350L -5.6X03jlvirlichie
206632019 04 05.158579.65231C/2017 M4 (ATLAS) 3.333 2.796Pict--14.8 --- - -200L -6.6L27jfsoulier
206452019 03 28.158571.67959C/2017 M4 (ATLAS) 3.317 2.917Pict--14.7 --- - -200L -6.6L27jfsoulier
206232019 03 23.158566.68501C/2017 M4 (ATLAS) 3.308 2.997Pict--14.8 --- - -200L -6.6L27jfsoulier
206132019 03 08.358551.83438C/2017 M4 (ATLAS) 3.285 3.249Pict--16.6 --- - -350L -6X03ptraverse
198692018 10 12.858405.30377C/2017 M4 (ATLAS) 3.384 3.925Pict--16 --- - -410L -5.6A77jnicolas
198012018 09 28.758391.29253C/2017 M4 (ATLAS) 3.422 3.782Pict--15.5 --- - -200L -6.6L27jfsoulier
196992018 09 13.858376.32931C/2017 M4 (ATLAS) 3.469 3.621Pict--16.1 --- - -410L -5.6A77jnicolas
195832018 09 01.858364.35378C/2017 M4 (ATLAS) 3.510 3.497---15 --- - -60R -13.2A77fkugel
195692018 08 29.858361.34866C/2017 M4 (ATLAS) 3.521 3.468Pict--15.3 --- - -200L -6.6L27jfsoulier
195602018 08 26.858358.33414C/2017 M4 (ATLAS) 3.531 3.440Pict--15.4 --- - -200L -6.6L27jfsoulier
194732018 08 11.858343.37083C/2017 M4 (ATLAS) 3.588 3.320Pict--15.8 --- - -254L -5.8-lrousselot
194702018 08 11.858343.33909C/2017 M4 (ATLAS) 3.588 3.320Pict--16.1 --- - -410L -5.6A77jnicolas
194582018 08 10.958342.45203C/2017 M4 (ATLAS) 3.592 3.314Pict--15.1 --- - -200L -6.6L27jfsoulier
194302018 08 02.858334.38071C/2017 M4 (ATLAS) 3.624 3.270Pict--15.4 --- - -300L -6.5C10jfsoulier
193282018 07 11.958312.42215C/2017 M4 (ATLAS) 3.719 3.235---15.9 --- - -410L -5.6A77jnicolas
193172018 07 09.958310.41602C/2017 M4 (ATLAS) 3.728 3.238Pict--15.9 --- - -410L -5.6A77jnicolas
193002018 07 04.058304.54211C/2017 M4 (ATLAS) 3.751 3.252Pict--15.2 --- - -60R -13.2A77fkugel
192972018 07 02.958303.48058C/2017 M4 (ATLAS) 3.760 3.260Pict--15.1 --- - -200L -8.2L27jfsoulier
192992018 07 02.858303.36847C/2017 M4 (ATLAS) 3.760 3.260---15.4 0.66-- - -60R -7.92A77fkugel
192832018 06 29.858300.39903C/2017 M4 (ATLAS) 3.774 3.273Pict--15.1 --- - -300L -8.1C10jfsoulier
192782018 06 27.058297.51557C/2017 M4 (ATLAS) 3.783 3.284Pict--15.1 --- - -200L -8.2L27jfsoulier
192642018 06 22.958293.48951C/2017 M4 (ATLAS) 3.807 3.314Pict--15.4 --- - -200L -6.6A77jfsoulier
192532018 06 20.958291.45124C/2017 M4 (ATLAS) 3.816 3.328Pict--15.4 1.05-0.025 - -300L -8.1C10jfsoulier
192482018 06 19.958290.45141C/2017 M4 (ATLAS) 3.821 3.336Pict--15.3 --- - -300L -6.5C10jfsoulier
192552018 06 19.958290.42633C/2017 M4 (ATLAS) 3.821 3.336Pict--15 --- - -203- -9K21hboussier
192562018 06 18.958289.41218C/2017 M4 (ATLAS) 3.826 3.343Pict--15.5 --- - -200T -6.8K22mdeldem
192342018 06 15.858286.39022C/2017 M4 (ATLAS) 3.840 3.368Pict--15.5 --- - -200T -6.8K22mdeldem
192212018 06 10.058280.54932C/2017 M4 (ATLAS) 3.865 3.413Pict--15.4 0.76-0.01 45 -200L -6.6A77jfsoulier
192042018 05 21.058260.50352C/2017 M4 (ATLAS) 3.966 3.645Pict--16 0.7-- - -200L -7.5K97pditz
191982018 05 19.958259.47771C/2017 M4 (ATLAS) 3.976 3.671Pict--15.5 --- - -300L -8.1C10jfsoulier
192002018 05 19.958259.45533C/2017 M4 (ATLAS) 3.976 3.671---15.9 --0.025 35 -200L -6.25K25larnold
191732018 05 16.158255.60844C/2017 M4 (ATLAS) 3.992 3.712---15.7 --- - -60R --A77fkugel
191592018 05 15.358254.85833C/2017 M4 (ATLAS) 3.997 3.726Pict--15.9 --- - -400Y -6.4W96jgbosch
191402018 05 10.958250.47979C/2017 M4 (ATLAS) 4.024 3.796Pict--15.5 --- - -300L -8.1C10jfsoulier
191322018 05 08.958248.48183C/2017 M4 (ATLAS) 4.035 3.824Pict--15.4 --- - -300L -8.1C10jfsoulier
191292018 05 08.058247.54368C/2017 M4 (ATLAS) 4.035 3.824Pict--16.1 0.5-- - -200L -7.5K97pditz
191052018 05 05.058244.54591C/2017 M4 (ATLAS) 4.051 3.868Pict--15.6 --- - -300L -6.5C10jfsoulier
184572017 11 02.758061.28939C/2017 M4 (ATLAS) 5.167 5.185Pict--16.9 --- - -400L -6.4A77fkugel
184432017 10 31.758059.24849C/2017 M4 (ATLAS) 5.180 5.186Pict--16.8 --- - -400L -6.4A77fkugel
184422017 10 30.958058.44059C/2017 M4 (ATLAS) 5.187 5.186Pict--17.2 --- - -410L -5.6A77jnicolas
184262017 10 26.758054.29246C/2017 M4 (ATLAS) 5.213 5.189Pict--17 --- - -400L -6.4A77fkugel
182512017 09 18.958016.40805C/2017 M4 (ATLAS) 5.463 5.289Pict--17.5 --- - -410L -5.6A77jnicolas
182202017 09 13.858011.31164C/2017 M4 (ATLAS) 5.496 5.315Pict--17.2 --- - -400L -6.56A77fkugel
181002017 08 21.957988.41786C/2017 M4 (ATLAS) 5.646 5.473---17.6 --- - -200L -6.25K25larnold
180872017 08 20.957987.40827C/2017 M4 (ATLAS) 5.653 5.482---17.5 --- - -200L -6.25K25larnold

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