2P/Encke (Record n° 17512)
Perihelion distance : 0.34 AU
Inclination to ecliptic : 11 °
Orbital period : 3.3 years
Eccentricity : 0.85
NASA/JPL elements
IAU/MPC elements
On 2017 Apr 14 09h03 UT by Thierry Noel
(Copyright Thierry Noel)Magnitude (MPC m2) 16.4 Magnitude standard deviation 0.1 Aperture radius for m2 6.7 " r (dist/Sun) 0.875 AU d (dist/Earth) 1.056 AU Right ascension 339.59754 ° Declination -17.98878 ° MPC report COD W97
CON Thierry Noel [thierrynoel38a@free.fr]
OBS A. Maury, B. Sandness, T. Noel
MEA T. Noel
TEL 0.38-m f/4.6 Newton + CCD
COM Aperture radius for m1 : 25.2"
COM Aperture radius for m2 : 6.7"
ACK MPCReport file updated 2017.04.14 13:53:14
AC2 thierrynoel38a@free.fr
NET Gaia DR1
0002P dC2017 04 14.37712 22 38 23.41 -17 59 19.6 16.4 N W97
0002P dC2017 04 14.39595 22 38 24.02 -17 59 14.5 16.3 N W97
Instrument type Newton Instrument aperture (0=naked eye) 380 mm Instrument focale length 1748 mm Instrument focale/diameter 4.6 Filter R (RGB) Camera QSI 532ws-M1 Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Nova Picture exposure details 4x5mn Observatory MPC code W97 Location San Pedro de Atacama, Chile Reference stars catalog (ast) Gaia DR1
Used softwares ASTROMETRICA Resulting picture sampling (scale) 0.84 "/pix Image processing Prism (-dark, /flat), Astrometrica (add), Iris (levels, crop) Observation submission date 2017 Apr 14 13h56m51s Observation modification date 2017 Apr 16 20h09m06s