73P/Schwassmann-Wachmann (Record n° 17300)
Orbital period : 5.44 years
NASA/JPL elements
IAU/MPC elements
On 2017 Mar 12 08h12 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 15.3 m2 standard deviation 0.1 Aperture radius used for m2 3.1 " r (dist/Sun) 0.975 AU d (dist/Earth) 1.404 AU Right ascension 20 42 57.13 h m s Declination -20 02 28.8 ° ' " MPC report COD W96
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS A. Maury, J.-B. de Vanssay, J.-F. Soulier
MEA J.-F. Soulier
TEL 0.4-m f/8 Ritchey-Chretien + CCD
ACK MPCReport file updated 2017.03.12
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0073P C2017 03 12.34199 20 42 57.13 -20 02 28.8 15.3 N W96
0073P C2017 03 12.35380 20 43 00.77 -20 02 22.7 15.3 N W96
0073P C2017 03 12.36011 20 43 02.66 -20 02 19.8 15.5 N W96
0073P C2017 03 12.37226 20 43 06.39 -20 02 13.1 15.3 N W96
0073P C2017 03 12.37747 20 43 07.94 -20 02 10.8 15.3 N W96
Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 3200 mm Instrument focale/diameter 8 Filter(s) None Camera QSI 532 Sensor CCD Sensor temperature -20 °C Binning 3x3 Mount VMA 200 Autoguide No Exposure details 50 x 20s Observatory MPC code W96 Location San Pedro d'Atacama Chili Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.05 "/pix Observation submission date 2017 Mar 12 10h30m16s Observation modification date 2017 Mar 12 11h51m19s