117P/Helin-Roman-Alu (Record n° 16403)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2016 Oct 26 04h53 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 17.9 m2 standard deviation 0.0 Aperture radius used for m2 6.2 " r (dist/Sun) 4.682 AU d (dist/Earth) 3.798 AU Right ascension 04 05 30.09 h m s Declination +20 30 36.9 ° ' " 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 2016.10.26 06:06:24
AC2 [jean-gabriel.Bosch@unige.ch]
NET UCAC-4
0117P C2016 10 26.20351 04 05 30.09 +20 30 36.9 17.9 N W96
0117P C2016 10 26.23629 04 05 28.98 +20 30 35.1 17.9 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 No Exposure details 45x1mn Air mass 1.4 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 Oct 26 11h08m24s Observation modification date 2016 Oct 26 11h37m24s