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117P/Helin-Roman-Alu

Orbital period : 8.25 years

NASA/JPL elements
IAU/MPC elements


On 2021 Apr 08 21h39 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Nuclear magnitude (m2)15.1
m2 standard deviation0.1
Aperture radius used for m25.8 "
r (dist/Sun) 3.692 AU
d (dist/Earth) 2.698 AU
Right ascension13 25 26.53 h m s
Declination-00 50 07.7 ° ' "
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 2021.04.09 12:20:20
AC2 JGBosch@free.fr
NET UCAC-4
0117P         C2021 04 08.90221 13 25 26.53 -00 50 07.7          15.0 R      A77
0117P         C2021 04 08.90802 13 25 26.33 -00 50 06.7          15.2 R      A77
0117P         C2021 04 08.91525 13 25 26.04 -00 50 05.8          15.0 R      A77
InstrumentNEWTON
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
CameraAtik 460ex
SensorCCD
Binning1x1
MountMeade-MCMT-TDM
Exposure details10x120s
Observatory MPC codeA77
LocationObs. Dauban A77
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Apr 09 12h23m24s
Observation modification date2021 Apr 09 13h07m31s

(Record n° 23198)

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