17P/Holmes (Record n° 9932)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2013 Jul 06 07h18 UT by Thierry NoelNuclear magnitude (m2) 16.6 m2 standard deviation 0.1 Aperture radius used for m2 4.8 " r (dist/Sun) 2.817 AU d (dist/Earth) 1.914 AU Right ascension 17 05 33.53 h m s Declination -47 25 14.5 ° ' " 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 2013.08.21 23:10:40
AC2 thierrynoel1@laposte.net
NET UCAC-4
0017P C2013 07 06.30426 17 05 33.53 -47 25 14.5 16.8 N W96
0017P C2013 07 06.31107 17 05 33.12 -47 25 10.3 16.5 N W96
0017P C2013 07 06.32538 17 05 32.32 -47 25 03.7 16.6 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 pixels number 3326x2504 Sensor temperature -35 °C Binning 2x2 Mount Paramount Autoguide Yes Observatory MPC code W96 Location San Pedro de Atacama, Chile Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Observation submission date 2013 Aug 21 23h46m09s