31P/Schwassmann-Wachmann (Record n° 21960)
Perihelion distance : 3.41 AU
Inclination to ecliptic : 5 °
Orbital period : 8.69 years
Eccentricity : 0.19
NASA/JPL elements
IAU/MPC elements
On 2020 Apr 29 02h43 UT by Pierre Traverse
(Copyright Pierre Traverse)Magnitude (MPC m2) 19.4 Magnitude standard deviation 0.1 Aperture radius for m2 7 " r (dist/Sun) 3.624 AU d (dist/Earth) 2.898 AU Right ascension 171.67713 ° Declination +9.28706 ° MPC report COD X03
CON P. Traverse [pierre.traverse@orange.fr]
OBS J. L. Virlichie, P. Traverse
MEA P. Traverse
TEL 0.35-m f/4.7 Newtonian reflector + CCD
ACK MPCReport file updated 2020.04.30 16:23:31
AC2 pierre.traverse@orange.fr
NET Gaia DR2
0031P KC2020 04 29.11341 11 26 42.51 +09 17 13.4 19.55G X03
0031P KC2020 04 29.12783 11 26 42.41 +09 17 13.3 19.53G X03
0031P KC2020 04 29.14438 11 26 42.23 +09 17 12.9 19.20G X03
Instrumental configuration Config1 Instrument Newton 355 Instrument type Newton Instrument aperture (0=naked eye) 350 mm Instrument focale length 1645 mm Instrument focale/diameter 4.7 Filter L Camera Moravian G3 16200 Sensor CCD Sensor size 27.2x21.8 mm2 Sensor pixels number 4540x3640 Sensor temperature -20 °C Binning 2x2 Mount SW EQ8 Motorization Yes Autoguide Yes Picture exposure details 19x3mn Observatory MPC code X03 Location Monte Patria Chili Reference stars catalog (ast) Gaia DR2
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.4 "/pix Observation submission date 2020 Apr 30 18h19m44s Observation modification date 2020 Apr 30 18h23m38s