17P/Holmes (Record n° 13231)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2015 Jan 09 22h02 UT by Joel NicolasNuclear magnitude (m2) 17.5 m2 standard deviation 0.1 Aperture radius used for m2 8.4 " r (dist/Sun) 2.916 AU d (dist/Earth) 2.144 AU Right ascension 04 03 08.96 h m s Declination +45 13 23.5 ° ' " MPC report COD B51
CON J. NICOLAS [nicolas.joel@wanadoo.fr]
OBS J. Nicolas
MEA J. Nicolas
TEL 0.28-m f/6.5 reflector + CCD
ACK MPCReport file updated 2015.01.10 16:33:17
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0017P KC2015 01 09.91822 04 03 08.96 +45 13 23.5 17.4 N B51
0017P KC2015 01 09.92681 04 03 08.87 +45 13 17.5 17.6 N B51
Instrument type Newton Instrument aperture (0=naked eye) 280 mm Instrument focale length 1820 mm Instrument focale/diameter 6.5 Filter(s) None Camera ST8XME Sensor CCD Sensor temperature -25 °C Binning 2x2 Air mass 1.06 Observatory MPC code B51 Location 06 Vallauris Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Observation submission date 2015 Jan 10 16h40m20s