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117P/Helin-Roman-Alu

Orbital period : 8.25 years

NASA/JPL elements
IAU/MPC elements


On 2021 May 31 21h42 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)15.3
Aperture radius used for m10.4 '
Nuclear magnitude (m2)16
m2 standard deviation0.0
Aperture radius used for m25.8 "
r (dist/Sun) 3.576 AU
d (dist/Earth) 2.908 AU
Right ascension12 59 09.92 h m s
Declination-00 15 54.7 ° ' "
MPC report
COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS F. Kugel
MEA F. Kugel
TEL 0.4-m f/2.8 reflector + CCD
ACK A77 file updated 2021.06.01 07:41:52
AC2 fkugel@free.fr
NET NOMAD
0117P         C2021 05 31.90419 12 59 09.92 -00 15 54.7          16.0 V      A77
0117P         C2021 05 31.92393 12 59 09.75 -00 15 57.1          16.0 V      A77
0117P         C2021 05 31.94366 12 59 09.55 -00 16 00.0          15.3 T      A77
Instrumental configurationConfig2
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)None
CameraAtik460ex
SensorCCD
Sensor temperature-15 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details9x120s
Observatory MPC codeA77
Reference stars catalogNOMAD
Image resize factor0.5
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Jun 01 07h47m05s
Observation modification date2021 Jun 01 08h35m43s

(Record n° 23412)

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