117P/Helin-Roman-Alu (Record n° 11769)
Orbital period : 8.25 years
NASA/JPL elements
IAU/MPC elements
On 2014 May 09 05h24 UT by Thierry Noel
(Copyright Thierry Noel)Coma Total magnitude (m1) 14.7 Aperture radius used for m1 0.7 ' Nuclear magnitude (m2) 15.8 m2 standard deviation 0.1 Aperture radius used for m2 5.6 " r (dist/Sun) 3.064 AU d (dist/Earth) 2.742 AU Right ascension 20 55 40.62 h m s Declination -25 15 57.0 ° ' " MPC report COD W96
CON ALAIN MAURY [amaury@spaceobs.com]
OBS A. Maury, T. Noel
MEA T. Noel
TEL 0.4-m f/8 Ritchey-Chretien + CCD
ACK MPCReport file updated 2014.05.09 12:41:47
AC2 thierrynoel1@laposte.net
NET UCAC-4
0117P C2014 05 09.22479 20 55 40.62 -25 15 57.0 15.8 N W96
0117P C2014 05 09.23892 20 55 41.29 -25 15 57.3 15.9 N W96
0117P C2014 05 09.25305 20 55 41.92 -25 15 58.1 15.8 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 -30 °C Binning 4x4 Mount Paramount Exposure details 24x2mn Observatory MPC code W96 Location San Pedro de Atacama, Chile Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.38 "/pix Observation submission date 2014 May 09 12h59m45s Observation modification date 2014 May 21 21h22m36s