29P/Schwassmann-Wachmann (Record n° 18661)
Perihelion distance : 5.8 AU
Inclination to ecliptic : 9 °
Orbital period : 14.91 years
Eccentricity : 0.04
NASA/JPL elements
IAU/MPC elements
On 2017 Dec 21 00h15 UT by Jean-Francois SoulierMagnitude (MPC m2) 16.2 Magnitude standard deviation 0.1 Aperture radius for m2 6.4 " r (dist/Sun) 5.803 AU d (dist/Earth) 6.366 AU Right ascension 322.03704 ° Declination -12.49481 ° 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/5.2 Ritchey-Chretien + CCD
ACK MPCReport file updated 2017.12.21
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0029P C2017 12 21.01052 21 28 08.89 -12 29 41.3 16.1 N W96
0029P C2017 12 21.02079 21 28 09.27 -12 29 39.2 16.2 N W96
Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 2080 mm Instrument focale/diameter 5.2 Filter None Camera QHY Sensor CCD Sensor temperature -15 °C Binning 3x3 Mount VMA 200 Autoguide No Observatory MPC code W96 Location San Pedro d'Atacama Chili Reference stars catalog (ast) UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.60 "/pix Observation submission date 2017 Dec 21 02h33m34s Observation modification date 2017 Dec 21 02h35m57s