117P/Helin-Roman-Alu (Record n° 3197)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2008 Dec 06 18h33 UT by Francois KugelNuclear magnitude (m2) 17.5 m2 standard deviation 0.3 r (dist/Sun) 4.870 AU d (dist/Earth) 3.889 AU Right ascension 04 23 54.03 h m s Declination +23 38 04.2 ° ' " 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 C2008 12 06.77269 04 23 54.03 +23 38 04.2 17.3 N A77
0117P C2008 12 06.78509 04 23 53.54 +23 38 04.2 17.9 N A77
0117P C2008 12 06.79750 04 23 52.99 +23 38 04.1 17.4 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 22h02m21s