117P/Helin-Roman-Alu (Record n° 12032)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2014 Jul 02 07h30 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 15.3 Aperture radius used for m2 5.5 " r (dist/Sun) 3.094 AU d (dist/Earth) 2.190 AU Right ascension 21 07 16.85 h m s Declination -27 57 53.1 ° ' " MPC report COD W96
CON ALAIN MAURY [amaury@spaceobs.com]
OBS A. Maury, J.-F. Soulier
MEA J.-F. Soulier
TEL 0.4-m f/8 Ritchey-Chretien + CCD
ACK MPCReport file updated 2014.07.02
AC2 amaury@spaceobs.com
NET UCAC-4
0117P C2014 07 02.31239 21 07 16.85 -27 57 53.1 15.4 N W96
0117P C2014 07 02.32551 21 07 16.51 -27 57 56.7 15.3 N W96
0117P C2014 07 02.34288 21 07 16.11 -27 58 01.7 15.3 N W96
0117P C2014 07 02.35744 21 07 15.72 -27 58 06.5 15.3 N W96
Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 3200 mm Instrument focale/diameter 8 Camera QHY9 Sensor CCD Sensor temperature -40 °C Binning 2x2 Mount PARAMOUNT Autoguide Yes Exposure details 30 x 120s Moon elongation 152 ° Air mass 1.01 Observatory MPC code W96 Location Chili Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 0.69 "/pix Observation submission date 2014 Jul 02 11h07m10s Observation modification date 2014 Jul 02 11h08m19s