17P/Holmes (Record n° 13261)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2015 Jan 12 22h14 UT by Joel Nicolas
(Copyright Joel Nicolas)Nuclear magnitude (m2) 18.2 m2 standard deviation 0.1 Aperture radius used for m2 5.6 " r (dist/Sun) 2.929 AU d (dist/Earth) 2.181 AU Right ascension 04 02 46.78 h m s Declination +44 45 10.3 ° ' " 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 2015.01.15 16:44:04
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0017P KC2015 01 12.92620 04 02 46.78 +44 45 10.3 18.2 N A77
0017P KC2015 01 12.93997 04 02 46.72 +44 45 02.8 18.1 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 -30 °C Binning 1x1 Exposure details 13*180s Air mass 1.08 Observatory MPC code A77 Location 04 Dauban Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.4 "/pix Observation submission date 2015 Jan 15 16h46m30s Observation modification date 2015 Jan 15 16h51m16s