117P/Helin-Roman-Alu (Record n° 12737)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2014 Oct 13 19h17 UT by Francois Kugel
(Copyright Francois Kugel)Nuclear magnitude (m2) 15.4 m2 standard deviation 0.2 Aperture radius used for m2 15 " r (dist/Sun) 3.208 AU d (dist/Earth) 2.815 AU Right ascension 20 34 52.15 h m s Declination -28 48 52.1 ° ' " MPC report COD A77
CON FRANCOIS KUGEL [fkugel@wanadoo.fr]
OBS A. Klotz ; F. Kugel
MEA F. Kugel
TEL 0.20-m f/4 Schmidt-Cassegrain + CCD
ACK MPCReport file updated 2014.10.13 22:22:45
AC2 fkugel@wanadoo.fr
NET USNO-SA2.0
0117P KC2014 10 13.80372 20 34 52.15 -28 48 52.1 15.2 N A77
0117P KC2014 10 13.80949 20 34 52.31 -28 48 50.4 15.4 N A77
0117P KC2014 10 13.81343 20 34 52.46 -28 48 49.1 15.3 N A77
0117P KC2014 10 13.81831 20 34 52.61 -28 48 47.8 15.4 N A77
0117P KC2014 10 13.82181 20 34 52.69 -28 48 46.5 15.7 N A77
Instrument type Schmidt-Cassegrain Instrument aperture (0=naked eye) 200 mm Instrument focale length 800 mm Instrument focale/diameter 4 Filter(s) Clear Camera ST2000XM Sensor CCD Sensor size 13.4x9.5 mm2 Sensor pixels number 1600x1200 Sensor temperature -15 °C Binning 2x2 Mount Meade MCMT Motorization Yes Exposure total time 330 s Observatory MPC code A77 Reference stars catalog USNO-SA2.0
Used softwares ASTROMETRICA Image resize factor 1 Resulting picture sampling (scale) 3.75 "/pix Observation submission date 2014 Oct 13 22h25m31s Observation modification date 2014 Oct 14 07h39m34s