31P/Schwassmann-Wachmann (Record n° 20420)
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 Jan 15 19h24 UT by Francois KugelMagnitude (MPC m2) 19.8 Magnitude standard deviation 0.1 Aperture radius for m2 10.8 " r (dist/Sun) 3.496 AU d (dist/Earth) 2.535 AU Right ascension 100.18088 ° Declination +21.98286 ° 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 2019.01.17 08:22:10
AC2 fkugel@free.fr
NET UCAC-4
0031P C2019 01 15.80848 06 40 43.41 +21 58 58.3 19.7 V A77
0031P C2019 01 15.82037 06 40 42.98 +21 58 59.3 19.7 V A77
0031P C2019 01 15.83445 06 40 42.35 +21 59 01.7 19.9 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 Observatory MPC code A77 Reference stars catalog (ast) UCAC-4
Observation submission date 2019 Jan 17 08h43m14s