117P/Helin-Roman-Alu (Record n° 16178)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2016 Sep 28 03h41 UT by Francois Kugel
(Copyright Francois Kugel)Nuclear magnitude (m2) 18.6 m2 standard deviation 0.2 Aperture radius used for m2 5.5 " Tail length 0.16 ° r (dist/Sun) 4.637 AU d (dist/Earth) 4.060 AU Right ascension 04 15 02.43 h m s Declination +20 30 43.2 ° ' " 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 2016.09.28 07:13:57
AC2 fkugel@wanadoo.fr
NET UCAC-4
0117P KC2016 09 28.15315 04 15 02.43 +20 30 43.2 18.3 N A77
0117P KC2016 09 28.16715 04 15 02.34 +20 30 43.5 18.8 N A77
0117P KC2016 09 28.18107 04 15 02.23 +20 30 43.8 18.6 N A77
Instrumental configuration Config2 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 1x1 Mount Meade MCMT-TDM Exposure details 9x180s Observatory MPC code A77 Reference stars catalog UCAC-4
Resulting picture sampling (scale) 0.78 "/pix Observation submission date 2016 Sep 28 07h21m23s Observation modification date 2016 Sep 28 07h43m51s