117P/Helin-Roman-Alu (Record n° 8631)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2013 Jan 22 03h34 UT by Philippe DupouyNuclear magnitude (m2) 17.4 m2 standard deviation 0.1 Aperture radius used for m2 6 " r (dist/Sun) 3.642 AU d (dist/Earth) 3.636 AU Right ascension 14 34 29.73 h m s Declination -09 50 18.7 ° ' " MPC report COD 958
OBS Ph. Dupouy, J. B. de Vanssay, G. Soulie
MEA Ph. Dupouy
TEL 0.43-m f/2.7 reflector + CCD
ACK MPCReport file updated 2013.01.23 03:03:31
AC2 obsdax@orange.fr
NET UCAC-3
0117P KC2013 01 22.14868 14 34 29.73 -09 50 18.7 17.3 N 958
0117P KC2013 01 22.15997 14 34 30.16 -09 50 21.8 17.5 N 958
0117P KC2013 01 22.17193 14 34 30.70 -09 50 23.5 17.5 N 958
Instrument type Newton Instrument aperture (0=naked eye) 430 mm Instrument focale length 1161 mm Instrument focale/diameter 2.7 Camera ATIK 314L Sensor CCD Sensor temperature -15 °C Binning 1x1 Mount home Meade Motorization Yes Observatory MPC code 958 Location Dax 40100 France Reference stars catalog UCAC-3
Used softwares ASTROMETRICA Observation submission date 2013 Feb 15 03h33m06s