117P/Helin-Roman-Alu (Record n° 9344)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2012 Mar 14 21h42 UT by Luc ArnoldNuclear magnitude (m2) 17.2 Aperture radius used for m2 6.6 " r (dist/Sun) 4.322 AU d (dist/Earth) 3.355 AU Right ascension 11 12 56.18 h m s Declination +16 45 37.3 ° ' " MPC report COD 511
CON L. Arnold, OHP 04870 Saint-Michel-l'Observatoire, France [luc.arnold@oamp.fr]
OBS L. Arnold
MEA L. Arnold
TEL 0.20-m f/5.5 reflector + CCD
ACK MPCReport file updated 2012.03.15 09:55:00
AC2 luc.arnold@oamp.fr
NET NOMAD
0117P KC2012 03 14.90420 11 12 56.18 +16 45 37.3 17.1 N 511
0117P KC2012 03 14.91303 11 12 55.85 +16 45 38.7 17.2 N 511
0117P KC2012 03 14.92209 11 12 55.48 +16 45 40.5 17.2 N 511
0117P KC2012 03 14.93190 11 12 55.10 +16 45 42.3 17.2 N 511
0117P KC2012 03 14.94480 11 12 54.60 +16 45 44.5 17.2 N 511
Instrument type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 1100 mm Instrument focale/diameter 5.5 Sensor CCD Observatory MPC code 511 Reference stars catalog NOMAD
Used softwares ASTROMETRICA URL for more information or pictures http://www.obs-hp.fr/~larnold/v2/LucArnold/Welcome.html Observation submission date 2013 Apr 27 11h41m11s