17P/Holmes (Record n° 9676)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2013 Jun 04 02h30 UT by Jean-Francois SoulierNuclear magnitude (m2) 17 m2 standard deviation 0.1 Aperture radius used for m2 4.5 " r (dist/Sun) 2.955 AU d (dist/Earth) 2.026 AU Right ascension 17 42 38.08 h m s Declination -49 12 56.7 ° ' " 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 2013.06.03 and 04
AC2 amaury@spaceobs.com
NET UCAC-4
0017P KC2013 06 04.10447 17 42 38.08 -49 12 56.7 17.0 N W96
0017P KC2013 06 04.11309 17 42 37.41 -49 12 57.7 16.9 N W96
0017P KC2013 06 04.11947 17 42 37.04 -49 12 57.7 16.8 N W96
0017P KC2013 06 04.12696 17 42 36.51 -49 12 58.3 17.1 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 3326 x 2504 Sensor temperature -35 °C Binning 2x2 Mount PARAMOUNT Observatory MPC code W96 Location Chili Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Observation submission date 2013 Jun 21 21h53m37s