73P/Schwassmann-Wachmann (Record n° 17938)
Perihelion distance : 0.9 AU
Inclination to ecliptic : 6 °
Orbital period : 5.33 years
Eccentricity : 0.71
NASA/JPL elements
IAU/MPC elements
On 2017 Jul 13 07h58 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Magnitude (MPC m2) 17.1 Magnitude standard deviation 0.1 Aperture radius for m2 6.4 " r (dist/Sun) 1.806 AU d (dist/Earth) 1.860 AU Right ascension 40.65929 ° Declination +5.59703 ° MPC report COD W96
CON Jean-Gabriel Bosch [JGBosch@free.fr]
OBS A. Maury, J.-B. de Vanssay, J.-G. Bosch
MEA J.-G.Bosch
TEL 0.4-m f/5.4 Ritchey-Chretien + QHY9CCD
ACK MPCReport file updated 2017.07.13 09:04:45
AC2 JGBosch@free.fr
NET UCAC-4
0073P C2017 07 13.33168 02 42 38.23 +05 35 49.3 17.2 N W96
0073P C2017 07 13.36498 02 42 40.84 +05 35 58.5 17.0 N W96
Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 2160 mm Instrument focale/diameter 5.4 Filter None Camera QHY Sensor CCD Sensor temperature -30 °C Binning 3x3 Mount VMA 200 Autoguide No Exposure details 45x60s Air mass 2.2 Observatory MPC code W96 Location San Pedro Atacama Chili Reference stars catalog (ast) UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.59 "/pix Observation submission date 2017 Jul 13 15h08m07s Observation modification date 2017 Jul 13 17h17m05s