73P/Schwassmann-Wachmann (Record n° 17172)
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 Feb 17 08h43 UT by Thierry NoelMagnitude (MPC m2) 14.4 Magnitude standard deviation 0.1 Aperture radius for m2 6.5 " r (dist/Sun) 1.051 AU d (dist/Earth) 1.389 AU Right ascension 280.45758 ° Declination -20.83392 ° MPC report COD W97
CON Thierry Noel [thierrynoel38a@free.fr]
OBS A. Maury, B. Sandness, T. Noel
MEA T. Noel
TEL 0.38-m f/4.6 Newton + CCD
ACK MPCReport file updated 2017.02.17 12:27:57
AC2 thierrynoel38a@free.fr
NET Gaia DR1
0073P C2017 02 17.36319 18 41 49.82 -20 50 02.1 14.3 N W97
0073P C2017 02 17.38006 18 41 55.19 -20 50 07.4 14.4 N W97
Instrument type Newton Instrument aperture (0=naked eye) 380 mm Instrument focale length 1748 mm Instrument focale/diameter 4.6 Filter None Camera ST11000 Sensor CCD Sensor temperature -25 °C Binning 1x1 Mount Nova Autoguide No Observatory MPC code W97 Location San Pedro de Atacama, Chile Reference stars catalog (ast) Gaia DR1
Used softwares ASTROMETRICA Observation submission date 2017 Feb 17 12h29m44s Observation modification date 2017 Apr 16 20h15m39s