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117P/Helin-Roman-Alu

Orbital period : 8.38 years

NASA/JPL elements
IAU/MPC elements


On 2021 May 08 21h57 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Nuclear magnitude (m2)15.7
m2 standard deviation0.2
Aperture radius used for m25.8 "
r (dist/Sun) 3.626 AU
d (dist/Earth) 2.734 AU
Right ascension13 06 40.06 h m s
Declination+00 03 36.0 ° ' "
MPC report
COD A77
CON J.-G. Bosch [JGBosch@free.fr]
OBS F. Kugel,  J.-G.Bosch
MEA J.-G. Bosch
TEL 0.4-m f/2.8 reflector + CCD
ACK MPCReport file updated 2021.05.09 15:10:05
AC2 JGBosch@free.fr
NET UCAC-4
0117P         C2021 05 08.91478 13 06 40.06 +00 03 36.0          15.4 R      A77
0117P         C2021 05 08.92208 13 06 39.85 +00 03 36.2          15.7 R      A77
0117P         C2021 05 08.93018 13 06 39.62 +00 03 36.4          15.9 R      A77
InstrumentNEWTON
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
CameraAtik 460ex
SensorCCD
Sensor temperature-20 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details20x60s
Observatory MPC codeA77
LocationObs. Dauban A77
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 May 09 15h13m37s
Observation modification date2021 May 09 15h31m32s

(Record n° 23354)

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