31P/Schwassmann-Wachmann (Record n° 19908)
Orbital period : 8.72 years
NASA/JPL elements
IAU/MPC elements
On 2018 Oct 20 02h01 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 19.8 m2 standard deviation 0.1 Aperture radius used for m2 4.9 " r (dist/Sun) 3.579 AU d (dist/Earth) 3.260 AU Right ascension 07 07 09.78 h m s Declination +20 28 15.7 ° ' " MPC report COD C10
CON J.-F. Soulier [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.30-m f/3.8 Newtonian reflector + CCD
ACK MPCReport file updated 2018.10.20
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0031P KC2018 10 20.08387 07 07 09.78 +20 28 15.7 19.7 N C10
0031P KC2018 10 20.10832 07 07 10.54 +20 28 14.8 19.8 N C10
0031P KC2018 10 20.13592 07 07 11.34 +20 28 14.0 20.0 N C10
Instrument type Newton Instrument aperture (0=naked eye) 300 mm Instrument focale length 1140 mm Instrument focale/diameter 3.8 Filter(s) None Camera ST8-XME Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount F60a Axis Instruments Autoguide Yes Exposure details 25 x 120s Observatory MPC code C10 Location Seine et Marne (77) Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.62 "/pix Observation submission date 2018 Oct 20 08h26m13s Observation modification date 2018 Oct 20 09h34m59s