117P/Helin-Roman-Alu (Record n° 6390)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2012 Mar 25 23h21 UT by Philippe DupouyNuclear magnitude (m2) 17.5 m2 standard deviation 0.1 Aperture radius used for m2 6 " r (dist/Sun) 4.300 AU d (dist/Earth) 3.379 AU Right ascension 11 06 12.42 h m s Declination +17 13 26.2 ° ' " MPC report COD 958
OBS Ph. Dupouy
MEA Ph. Dupouy
TEL 0.30-m f/5.8 reflector + CCD
ACK MPCReport file updated 2012.04.01 01:46:26
AC2 obsdax@wanadoo.fr
NET UCAC-3
0117P KC2012 03 25.97326 11 06 12.42 +17 13 26.2 17.5 N 958
0117P KC2012 03 25.98905 11 06 11.92 +17 13 27.8 17.5 N 958
0117P KC2012 03 26.00484 11 06 11.38 +17 13 29.6 17.4 N 958
Instrument type Newton Instrument aperture (0=naked eye) 300 mm Instrument focale length 1740 mm Instrument focale/diameter 5.8 Camera Audine 1600 Sensor CCD Sensor size 13.8x9.2 mm2 Sensor pixels number 1536x1024 Sensor temperature -10 °C Binning 2x2 Mount home Meade Motorization Yes Autoguide No Observatory MPC code 958 Location Dax 40100 France Reference stars catalog UCAC-3
Used softwares ASTROMETRICA Observation submission date 2012 Apr 05 00h37m20s