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COMET OBSERVATIONS

Comet/Object
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121P/Shoemaker-Holt

Orbital period : 9.82 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
267752023 02 14.859991.32326121P/Shoemaker-Holt 3.766 3.356Pict--21.3 --- - -400L -5.8A77fkugel
266332023 01 18.059963.58689121P/Shoemaker-Holt 3.781 3.027Pict--19.9 --- - -350L -6X03ptraverse
112162014 02 26.856716.3356121P/Shoemaker-Holt 3.811 2.990---20.5 --- - -300L -8.1C10jfsoulier

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