17P/Holmes (Record n° 12127)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2014 Jul 23 01h46 UT by Joel Nicolas
(Copyright Joel Nicolas)Nuclear magnitude (m2) 16.2 Aperture radius used for m2 5.6 " r (dist/Sun) 2.249 AU d (dist/Earth) 2.535 AU Right ascension 03 30 08.62 h m s Declination +35 10 18.2 ° ' " MPC report COD A77
CON J. NICOLAS [nicolas.joel@wanadoo.fr]
OBS J. Nicolas
MEA J. Nicolas
TEL 0.41-m f/3.3 reflector + CCD
ACK MPCReport file updated 2014.07.24 11:31:32
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0017P C2014 07 23.07387 03 30 08.62 +35 10 18.2 16.2 N A77
0017P C2014 07 23.07633 03 30 08.92 +35 10 19.9 16.2 N A77
0017P C2014 07 23.07954 03 30 09.30 +35 10 22.8 16.2 N A77
0017P C2014 07 23.08272 03 30 09.62 +35 10 25.0 16.2 N A77
0017P C2014 07 23.08510 03 30 09.87 +35 10 26.5 16.2 N A77
Instrument type Newton Instrument aperture (0=naked eye) 410 mm Instrument focale length 1353 mm Instrument focale/diameter 3.3 Filter(s) None Camera ST8XME Sensor CCD Sensor temperature -18 °C Binning 1x1 Exposure total time 900 s Air mass 1.89 Observatory MPC code A77 Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.4 "/pix Observation submission date 2014 Jul 24 11h35m05s Observation modification date 2014 Jul 24 11h36m56s