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117P/Helin-Roman-Alu

Orbital period : 8.38 years

NASA/JPL elements
IAU/MPC elements


On 2021 Apr 02 21h01 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Nuclear magnitude (m2)14.3
m2 standard deviation0.1
Aperture radius used for m25.8 "
r (dist/Sun) 3.706 AU
d (dist/Earth) 2.722 AU
Right ascension13 29 23.93 h m s
Declination-01 07 25.9 ° ' "
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 2021.04.03 13:08:44
AC2 JGBosch@free.fr
NET UCAC-4
0117P         C2021 04 02.87597 13 29 23.93 -01 07 25.9          14.3 R      A77
0117P         C2021 04 02.88500 13 29 23.57 -01 07 24.4          14.2 R      A77
0117P         C2021 04 02.89555 13 29 23.16 -01 07 22.8          14.5 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 details15x120s
Observatory MPC codeA77
LocationObs. Dauban A77
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Apr 03 13h13m41s
Observation modification date2021 Apr 03 13h37m45s

(Record n° 23156)

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