117P/Helin-Roman-Alu (Record n° 9398)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2013 May 06 22h18 UT by Joel NicolasNuclear magnitude (m2) 15.5 m2 standard deviation 0.1 Aperture radius used for m2 8.4 " r (dist/Sun) 3.425 AU d (dist/Earth) 2.425 AU Right ascension 14 24 52.56 h m s Declination -10 07 13.6 ° ' " MPC report COD A77
CON J. NICOLAS [nicolas.joel@wanadoo.fr]
OBS J. Nicolas ; F. Kugel
MEA J. Nicolas
TEL 0.41-m f/3.3 reflector + CCD
ACK MPCReport file updated 2013.05.11 16:42:44
AC2 [nicolas.joel@wanadoo.fr]
NET USNO-B1.0
0117P C2013 05 06.92904 14 24 52.56 -10 07 13.6 15.3 N A77
0117P C2013 05 06.93206 14 24 52.44 -10 07 13.7 15.5 N A77
0117P C2013 05 06.93582 14 24 52.27 -10 07 13.3 15.5 N A77
0117P C2013 05 06.93958 14 24 52.10 -10 07 12.9 15.5 N A77
0117P C2013 05 06.94341 14 24 51.94 -10 07 12.5 15.5 N A77
0117P C2013 05 06.94717 14 24 51.77 -10 07 12.2 15.6 N A77
Instrument type Newton Instrument aperture (0=naked eye) 410 mm Instrument focale length 1353 mm Instrument focale/diameter 3.3 Filter(s) None Camera ST8XME Sensor CCD Binning 2x2 Air mass 1.72 Observatory MPC code A77 Reference stars catalog USNO-B1.0
Used softwares ASTROMETRICA Observation submission date 2013 May 11 17h02m13s