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117P/Helin-Roman-Alu

Orbital period : 8.25 years

NASA/JPL elements
IAU/MPC elements


On 2013 Feb 20 03h51 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)16.5
m2 standard deviation0.2
Aperture radius used for m28 "
r (dist/Sun) 3.580 AU
d (dist/Earth) 3.149 AU
Right ascension14 49 44.54 h m s
Declination-10 58 07.2 ° ' "
MPC report
COD C10
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS J.F. Soulier
MEA J.F. Soulier
TEL 0.30-m f/3 Newtonian reflector + CCD
ACK MPCReport file updated 2013.02.20
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-3
0117P        KC2013 02 20.16074 14 49 44.54 -10 58 07.2          16.3 N      C10
0117P        KC2013 02 20.17662 14 49 44.82 -10 58 08.6          16.6 N      C10
Instrument typeNewton
Instrument aperture (0=naked eye)300 mm
Instrument focale length900 mm
Instrument focale/diameter3
CameraST8-XME
SensorCCD
Sensor size13.8 x 9.2 mm2
Sensor pixels number1530 x 1020
Sensor temperature-30 °C
Binning1x1
MountF60
AutoguideYes
Exposure details20 X 120s
Seeing4
Moon elongation137 °
Air mass2.04
Observatory MPC codeC10
Location77
Reference stars catalogUCAC-3
Used softwaresASTROMETRICA
Resulting picture sampling (scale)2 "/pix
Image processingPRISMV8 LOG FC GIMP
Observation submission date2013 Feb 20 07h23m51s
Observation modification date2013 Feb 20 07h27m09s

(Record n° 8681)

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