17P/Holmes (Record n° 12957)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2014 Nov 17 20h57 UT by Joel NicolasNuclear magnitude (m2) 17.3 m2 standard deviation 0.1 Aperture radius used for m2 5.6 " r (dist/Sun) 2.688 AU d (dist/Earth) 1.827 AU Right ascension 04 52 43.18 h m s Declination +50 53 18.3 ° ' " 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 2014.11.20 11:30:16
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0017P C2014 11 17.87257 04 52 43.18 +50 53 18.3 17.3 N A77
0017P C2014 11 17.87723 04 52 42.81 +50 53 18.6 17.2 N A77
0017P C2014 11 17.88022 04 52 42.63 +50 53 19.4 17.4 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 -25 °C Binning 1x1 Air mass 1.25 Observatory MPC code A77 Location 04 Dauban Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Observation submission date 2014 Nov 20 11h33m10s