29P/Schwassmann-Wachmann (Record n° 2513)
Perihelion distance : 5.8 AU
Inclination to ecliptic : 9 °
Orbital period : 14.91 years
Eccentricity : 0.04
NASA/JPL elements
IAU/MPC elements
On 2011 Apr 20 20h52 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Magnitude (MPC m2) 16.3 Magnitude standard deviation 0.1 Aperture radius for m2 8 " Coma diameter 3.3 ' r (dist/Sun) 6.254 AU d (dist/Earth) 5.536 AU Right ascension 160.81129 ° Declination +1.33472 ° MPC report COD C10
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS J.F. Soulier
MEA J.F. Soulier
TEL 0.255-m f/3.6 Newtonian reflector + CCD
ACK MPCReport file updated 2011.04.20
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
0029P C2011 04 20.86955 10 43 14.71 +01 20 05.0 16.3 N C10
0029P C2011 04 20.87860 10 43 14.62 +01 20 05.9 16.3 N C10
0029P C2011 04 20.89035 10 43 14.48 +01 20 06.8 16.4 N C10
Instrument type Newton Instrument aperture (0=naked eye) 254 mm Instrument focale length 900 mm Instrument focale/diameter 3.6 Camera ST7-XMEd Sensor CCD Sensor size 6.9 x 4.6 mm2 Sensor pixels number 765 x 510 Sensor temperature -15 °C Binning 1x1 Mount PERL-VIXEN Autoguide Yes Exposure total time 1680 s Exposure details 14x120s Seeing 3 Moon elongation 87 ° Air mass 1.47 Observatory MPC code C10 Location 77 Reference stars catalog (ast) USNO-B1.0
Used softwares ASTROMETRICA Resulting picture sampling (scale) 2.04 "/pix Image processing PRISMV8 APE DDP Observation submission date 2011 Apr 21 01h49m07s Observation modification date 2011 Apr 21 15h10m32s