117P/Helin-Roman-Alu (Record n° 6370)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2012 Mar 19 22h14 UT by Philippe DupouyNuclear magnitude (m2) 17.5 m2 standard deviation 0.1 Aperture radius used for m2 6 " r (dist/Sun) 4.312 AU d (dist/Earth) 3.362 AU Right ascension 11 09 48.40 h m s Declination +16 59 42.0 ° ' " MPC report COD 958
OBS Ph. Dupouy
MEA Ph. Dupouy
TEL 0.30-m f/5.8 reflector + CCD
ACK MPCReport file updated 2012.03.21 01:56:02
AC2 obsdax@wanadoo.fr
NET UCAC-3
0117P KC2012 03 19.92609 11 09 48.40 +16 59 42.0 17.5 N 958
0117P KC2012 03 19.93767 11 09 47.95 +16 59 43.5 17.5 N 958
0117P KC2012 03 19.95036 11 09 47.47 +16 59 45.6 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 00h29m10s