117P/Helin-Roman-Alu (Record n° 16171)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2016 Sep 27 07h35 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 17.8 m2 standard deviation 0.1 Aperture radius used for m2 6.2 " r (dist/Sun) 4.635 AU d (dist/Earth) 4.072 AU Right ascension 04 15 08.62 h m s Declination +20 30 20.8 ° ' " MPC report COD W96
CON Jean Gabriel Bosch [jean-gabriel.Bosch@unige.ch]
OBS A. Maury, J.-B. de Vanssay, J.-G.Bosch
MEA J.-G.Bosch
TEL 0.4-m f/5.4 Ritchey-Chretien + CCD
ACK MPCReport file updated 2016.09.27 06:44:35
AC2 [jean-gabriel.Bosch@unige.ch]
NET UCAC-4
0117P C2016 09 27.31575 04 15 08.62 +20 30 20.8 17.9 N W96
0117P C2016 09 27.35665 04 15 08.25 +20 30 21.8 17.7 N W96
Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 2160 mm Instrument focale/diameter 5.4 Filter(s) None Camera QHY Sensor CCD Binning 3x3 Mount VMA 200 Autoguide Yes Exposure details 40x1mn Air mass 1.2 Observatory MPC code W96 Location San Pedro Atacama Chili Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.56 "/pix Observation submission date 2016 Sep 27 11h48m51s Observation modification date 2016 Sep 27 12h10m04s