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Comet/Object
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132P/Helin-Roman-Alu

Orbital period : 7.66 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
248402022 01 18.059598.58707132P/Helin-Roman-Alu 1.812 1.437Pict--17.4 --- - -350L -5.6X03jlvirlichie
248342022 01 16.759597.2601132P/Helin-Roman-Alu 1.805 1.414Pict--17 --- - -410L -4.2A77jnicolas
247502022 01 06.759587.27603132P/Helin-Roman-Alu 1.773 1.300Pict--15.6 --- - -200T -15.5A77fkugel
247182022 01 01.059581.56303132P/Helin-Roman-Alu 1.759 1.246Pict--16.8 --- - -350L -5.6X03jlvirlichie
246972021 12 30.759580.28219132P/Helin-Roman-Alu 1.754 1.225Pict--16.3 --- - -200L -9.8A77fkugel
246582021 12 21.759571.23413132P/Helin-Roman-Alu 1.733 1.135Pict--16.3 --- - -300L -5.74G20ydegotlonghi
246362021 12 18.859568.30924132P/Helin-Roman-Alu 1.727 1.107Pict--15.7 --- - -400L -5.8A77jgbosch
245572021 12 09.759559.2951132P/Helin-Roman-Alu 1.711 1.026Pict-14.117 --- - -400L 0.45.8A77fkugel
244002021 11 18.759538.25941132P/Helin-Roman-Alu 1.692 0.871Pict--14.1 --- - -200T -16.1A77fkugel
243352021 11 06.959526.48709132P/Helin-Roman-Alu 1.693 0.805Pict--13.7 --- - -400L -5.8A77maudejean
242942021 11 03.859523.37783132P/Helin-Roman-Alu 1.695 0.791Pict--14.4 --- - -203- -9.3K21hboussier
242862021 11 02.859522.30512132P/Helin-Roman-Alu 1.695 0.787Pict--15.1 --- - 65400L -5.8A77fkugel
243742021 11 01.859521.39361132P/Helin-Roman-Alu 1.696 0.783Pict--14.6 --- - -400L -5.8A77dboust
242542021 10 25.159513.68402132P/Helin-Roman-Alu 1.702 0.760Pict-1415.5 --- - 39350L 0.95.6X03jlvirlichie
242452021 10 24.859513.36093132P/Helin-Roman-Alu 1.704 0.757Pict--14.8 --- - -400L -5.8A77jgbosch
241682021 10 13.959502.40713132P/Helin-Roman-Alu 1.720 0.738Pict--14.9 --- - -400L -5.8A77jgbosch
239522021 09 11.859470.39417132P/Helin-Roman-Alu 1.802 0.819Pict--16 --- - -300L -5.74G20ydegotlonghi
239422021 09 11.059469.5309132P/Helin-Roman-Alu 1.802 0.819Pict-1516.8 --- - -400L 0.45.8A77fkugel
238252021 08 18.059445.57034132P/Helin-Roman-Alu 1.893 1.006Pict--16.4 --- - -400L -5.8A77jgbosch
237882021 08 14.059441.57172132P/Helin-Roman-Alu 1.911 1.047Pict--17.5 --- - -400L -5.8A77jgbosch
237322021 08 06.959434.44521132P/Helin-Roman-Alu 1.947 1.134Pict--16.9 --- - -400L -5.8A77jgbosch
237212021 08 05.059432.58146132P/Helin-Roman-Alu 1.951 1.145Pict--17.6 --- - -400L -5.8A77fkugel
236472021 07 20.059416.53797132P/Helin-Roman-Alu 2.029 1.345Pict--18.5 --- - -400L -5.8A77jgbosch
236292021 07 17.359413.83006132P/Helin-Roman-Alu 2.044 1.386Pict--18.7 --- - -350L -5.6X03jlvirlichie
236022021 07 14.059410.5712132P/Helin-Roman-Alu 2.059 1.427Pict--18.2 --- - -400L -5.8A77jgbosch
234812021 06 12.059378.57655132P/Helin-Roman-Alu 2.233 1.914Pict--19.8 --- - -400L -5.8A77fkugel
124972014 09 06.156907.6373132P/Helin-Roman-Alu 2.134 2.547---19.4 --- - -400L -7.8A77fkugel
124592014 09 03.156904.60317132P/Helin-Roman-Alu 2.123 2.562Pict--19.2 --- - -300L -9.7C10jfsoulier
124232014 08 30.156900.64788132P/Helin-Roman-Alu 2.108 2.581---18.9 --- - -400L -7.8A77fkugel

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