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117P/Helin-Roman-Alu

Orbital period : 8.25 years

NASA/JPL elements
IAU/MPC elements


On 2021 Mar 24 22h34 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Nuclear magnitude (m2)15.5
m2 standard deviation0.3
Aperture radius used for m25.8 "
r (dist/Sun) 3.726 AU
d (dist/Earth) 2.777 AU
Right ascension13 34 47.28 h m s
Declination-01 33 51.3 ° ' "
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 2021.03.25 12:14:09
AC2 JGBosch@free.fr
NET UCAC-4
0117P         C2021 03 24.94050 13 34 47.28 -01 33 51.3          15.7 R      A77
0117P         C2021 03 24.96410 13 34 46.45 -01 33 46.8          15.2 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
Binning2x2
MountMeade-MCMT-TDM
Exposure details12x60s
Observatory MPC codeA77
LocationObs. Dauban A77
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)16.6 "/pix
Observation submission date2021 Mar 25 12h28m08s
Observation modification date2021 Mar 25 12h29m41s

(Record n° 23119)

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