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117P/Helin-Roman-Alu

Orbital period : 8.25 years

NASA/JPL elements
IAU/MPC elements


On 2014 Sep 20 01h33 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)15.8
Aperture radius used for m25.5 "
Tail length0.10 °
r (dist/Sun) 3.176 AU
d (dist/Earth) 2.499 AU
Right ascension20 27 37.42 h m s
Declination-30 17 29.4 ° ' "
MPC report
COD W96
CON ALAIN MAURY [amaury@spaceobs.com]
OBS A. Maury, J.-F. Soulier
MEA J.-F. Soulier
TEL 0.4-m f/8 Ritchey-Chretien + CCD
ACK MPCReport file updated 2014.09.20 
AC2 amaury@spaceobs.com
NET UCAC-4
0117P         C2014 09 20.06433 20 27 37.42 -30 17 29.4          15.8 N      W96
0117P         C2014 09 20.08986 20 27 37.46 -30 17 25.4          15.8 N      W96
0117P         C2014 09 20.11690 20 27 37.47 -30 17 20.4          15.8 N      W96
Instrument typeRitchey-Chretien
Instrument aperture (0=naked eye)400 mm
Instrument focale length3200 mm
Instrument focale/diameter8
CameraQHY
SensorCCD
Sensor temperature-40 °C
Binning2x2
MountPARAMOUNT
AutoguideYes
Exposure details30 x 120s
Moon elongation162 °
Air mass1.01
Observatory MPC codeW96
LocationChili
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)0.69 "/pix
Observation submission date2014 Sep 20 09h26m59s
Observation modification date2014 Sep 20 09h29m39s

(Record n° 12567)

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