117P/Helin-Roman-Alu (Record n° 3248)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2009 Jan 20 17h56 UT by Francois KugelNuclear magnitude (m2) 18.2 r (dist/Sun) 4.921 AU d (dist/Earth) 4.310 AU Right ascension 04 03 12.89 h m s Declination +23 12 34.9 ° ' " MPC report COD A77
CON FRANCOIS KUGEL [fkugel@wanadoo.fr]
OBS C. Rinner, F. Kugel
MEA F. Kugel
TEL 0.5-m f/3 reflector + CCD
AC2 fkugel@wanadoo.fr
NET USNO-B1.0
0117P C2009 01 20.74718 04 03 12.89 +23 12 34.9 18.2 N A77
Instrument type Newton Instrument aperture (0=naked eye) 500 mm Instrument focale length 1500 mm Instrument focale/diameter 3 Sensor CCD Observatory MPC code A77 Reference stars catalog USNO-B1.0
Observation submission date 2011 May 06 22h03m18s