117P/Helin-Roman-Alu (Record n° 2861)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2008 Jan 20 18h52 UT by Francois KugelNuclear magnitude (m2) 17.3 m2 standard deviation 0.4 r (dist/Sun) 4.353 AU d (dist/Earth) 4.265 AU Right ascension 01 47 22.54 h m s Declination +08 07 13.4 ° ' " 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 01 20.78643 01 47 22.54 +08 07 13.4 16.8 N A77
0117P C2008 01 20.79612 01 47 22.74 +08 07 16.0 17.8 N A77
0117P C2008 01 20.80771 01 47 22.94 +08 07 18.5 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 21h48m50s