117P/Helin-Roman-Alu (Record n° 9629)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2013 Jun 12 22h07 UT by Joel Nicolas
(Copyright Joel Nicolas)Nuclear magnitude (m2) 15.4 Aperture radius used for m2 8.4 " r (dist/Sun) 3.354 AU d (dist/Earth) 2.591 AU Right ascension 14 06 00.59 h m s Declination -10 05 53.5 ° ' " MPC report COD A77
CON J. NICOLAS [nicolas.joel@wanadoo.fr]
OBS J. Nicolas
MEA J. Nicolas
TEL 0.41-m f/3.3 reflector + CCD
ACK MPCReport file updated 2013.06.16 17:11:25
AC2 [nicolas.joel@wanadoo.fr]
NET USNO-B1.0
0117P C2013 06 12.92144 14 06 00.59 -10 05 53.5 15.4 N A77
0117P C2013 06 12.92767 14 06 00.51 -10 05 54.1 15.4 N A77
0117P C2013 06 12.93310 14 06 00.42 -10 05 54.6 15.4 N A77
0117P C2013 06 12.94097 14 06 00.35 -10 05 55.3 15.4 N A77
0117P C2013 06 12.94639 14 06 00.25 -10 05 55.9 15.3 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 Autoguide No Exposure total time 1260 s Air mass 2.06 Observatory MPC code A77 Reference stars catalog USNO-B1.0
Used softwares ASTROMETRICA Resulting picture sampling (scale) 2.8 "/pix Observation submission date 2013 Jun 16 17h19m11s Observation modification date 2013 Jun 16 17h21m15s