117P/Helin-Roman-Alu (Record n° 3046)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2009 Nov 16 23h52 UT by Francois KugelNuclear magnitude (m2) 19.9 m2 standard deviation 0.3 r (dist/Sun) 5.120 AU d (dist/Earth) 4.437 AU Right ascension 07 04 10.77 h m s Declination +28 42 24.1 ° ' " 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 11 16.99438 07 04 10.77 +28 42 24.1 19.8 N A77
0117P C2009 11 17.00216 07 04 10.65 +28 42 24.7 19.5 N A77
0117P C2009 11 17.00993 07 04 10.53 +28 42 25.7 20.3 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 21h56m54s