2P/Encke (Record n° 4658)
Perihelion distance : 0.34 AU
Inclination to ecliptic : 11 °
Orbital period : 3.3 years
Eccentricity : 0.85
NASA/JPL elements
IAU/MPC elements
On 2011 Sep 22 20h29 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Magnitude (MPC m2) 20 Magnitude standard deviation 0.1 Aperture radius for m2 4 " r (dist/Sun) 3.816 AU d (dist/Earth) 2.952 AU Right ascension 325.60217 ° Declination -14.50022 ° MPC report COD C10
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS J.F. Soulier
MEA J.F. Soulier
TEL 0.255-m f/3.6 Newtonian reflector + CCD
ACK MPCReport file updated 2011.09.22
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
0002P KC2011 09 22.85353 21 42 24.52 -14 30 00.8 19.9 N C10
0002P KC2011 09 22.86293 21 42 24.08 -14 30 04.0 20.1 N C10
Instrument type Newton Instrument aperture (0=naked eye) 254 mm Instrument focale length 900 mm Instrument focale/diameter 3.6 Camera ST7-XMEd Sensor CCD Sensor size 6.9 x 4.6 mm2 Sensor pixels number 765 x 510 Sensor temperature -20 °C Binning 1x1 Mount PERL-VIXEN Autoguide Yes Exposure total time 1680 s Picture exposure details 14 X 120 Seeing 3 Moon elongation 153 ° Air mass 2.31 Observatory MPC code C10 Location 77 Reference stars catalog (ast) USNO-B1.0
Used softwares ASTROMETRICA Resulting picture sampling (scale) 2.04 "/pix Image processing PRISMV8 DDP FC GIMP Observation submission date 2011 Sep 23 12h06m17s Observation modification date 2011 Sep 23 15h49m24s