117P/Helin-Roman-Alu (Record n° 12530)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2014 Sep 13 19h55 UT by Francois Kugel
(Copyright Francois Kugel)Nuclear magnitude (m2) 16.3 Aperture radius used for m2 7.8 " r (dist/Sun) 3.168 AU d (dist/Earth) 2.416 AU Right ascension 20 27 45.83 h m s Declination -30 33 08.9 ° ' " MPC report COD A77
CON FRANCOIS KUGEL [fkugel@wanadoo.fr]
OBS C. Rinner, F. Kugel
MEA F. Kugel
TEL 0.4-m f/3 reflector + CCD
ACK MPCReport file updated 2014.09.13 22:24:48
AC2 fkugel@wanadoo.fr
NET USNO-SA2.0
0117P C2014 09 13.82987 20 27 45.83 -30 33 08.9 16.3 N A77
0117P C2014 09 13.83710 20 27 45.75 -30 33 06.6 16.3 N A77
0117P C2014 09 13.84579 20 27 45.73 -30 33 06.3 16.3 N A77
Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1200 mm Instrument focale/diameter 3 Filter(s) None Camera Atik460EX Sensor CCD Sensor temperature -15 °C Binning 2x2 Mount Meade MCMT-TDM Exposure total time 1800 s Exposure details 15x30s Observatory MPC code A77 Reference stars catalog USNO-SA2.0
Image resize factor 1 Resulting picture sampling (scale) 1.6 "/pix Observation submission date 2014 Sep 13 22h33m21s Observation modification date 2014 Sep 13 22h38m49s