31P/Schwassmann-Wachmann (Record n° 20498)
Perihelion distance : 3.41 AU
Inclination to ecliptic : 5 °
Orbital period : 8.69 years
Eccentricity : 0.19
NASA/JPL elements
IAU/MPC elements
On 2019 Feb 05 18h26 UT by Francois Kugel
(Copyright Francois Kugel)Magnitude (MPC m2) 18.4 Magnitude standard deviation 0.1 Aperture radius for m2 7.7 " r (dist/Sun) 3.480 AU d (dist/Earth) 2.656 AU Right ascension 97.37992 ° Declination +22.55028 ° MPC report COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS C. Rinner, F. Kugel
MEA F. Kugel
TEL 0.28-m f/2.2 Schmidt-Cassegrain + CCD
ACK A77 2019.02.06 08:14:48
AC2 fkugel@free.fr
NET UCAC-4
0031P C2019 02 05.76822 06 29 31.18 +22 33 01.0 18.4 V A77
0031P C2019 02 05.78452 06 29 30.83 +22 33 03.1 18.3 V A77
0031P C2019 02 05.79066 06 29 30.63 +22 33 03.0 18.4 V A77
Instrumental configuration Config7 Instrument type Schmidt-Cassegrain Instrument aperture (0=naked eye) 280 mm Instrument focale length 616 mm Instrument focale/diameter 2.2 Filter None Camera asi294MCpro Sensor CCD Sensor temperature -25 °C Binning 1x1 Mount 10MICRON Picture exposure details 3x11x30s Observatory MPC code A77 Reference stars catalog (ast) UCAC-4
Image resize factor 1 Resulting picture sampling (scale) 1.54 "/pix Observation submission date 2019 Feb 06 23h28m09s Observation modification date 2019 Feb 06 23h43m32s