117P/Helin-Roman-Alu (Record n° 6384)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2012 Mar 24 23h15 UT by Philippe DupouyNuclear magnitude (m2) 17.7 m2 standard deviation 0.1 Aperture radius used for m2 6 " r (dist/Sun) 4.302 AU d (dist/Earth) 3.376 AU Right ascension 11 06 47.33 h m s Declination +17 11 24.9 ° ' " 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 01:07:49
AC2 obsdax@wanadoo.fr
NET UCAC-3
0117P KC2012 03 24.96882 11 06 47.33 +17 11 24.9 17.7 N 958
0117P KC2012 03 24.98479 11 06 46.70 +17 11 26.1 17.8 N 958
0117P KC2012 03 25.00049 11 06 46.18 +17 11 28.4 17.6 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 00h34m42s