29P/Schwassmann-Wachmann (Record n° 16141)
Perihelion distance : 5.8 AU
Inclination to ecliptic : 9 °
Orbital period : 14.91 years
Eccentricity : 0.04
NASA/JPL elements
IAU/MPC elements
On 2016 Sep 23 18h54 UT by Luc ArnoldMagnitude (MPC m2) 17 Magnitude standard deviation 0.1 Aperture radius for m2 6.25 " r (dist/Sun) 5.902 AU d (dist/Earth) 5.534 AU Right ascension 288.79196 ° Declination -25.11539 ° MPC report COD K25
CON L. Arnold, OHP 04870 Saint-Michel-l'Observatoire, France [luc.arnold@osupytheas.fr]
OBS L. Arnold
MEA L. Arnold
TEL 0.20-m f/5.5 Newtonian reflector + CCD
COM CCD SBIG ST10XME, filter Sloan r' Gen-1 Astrodon
COM Photometry aperture radius 6.25 arcsec (5 pixels, 1.25 arcsec/pix)
COM Second mag measurement for 29P used background from PSF in Astrometrica, not from aperture,
COM to minimize the bias from a nearby faint star.
COM Images at URL http://www.obs-hp.fr/~larnold/v2/LucArnold/Welcome.html
ACK MPCReport file updated 2016.09.23 22:12:35
AC2 luc.arnold@osupytheas.fr
NET UCAC-4
0029P KC2016 09 23.78771 19 15 10.07 -25 06 55.4 16.9 N K25
0029P KC2016 09 23.80113 19 15 10.12 -25 06 53.6 17.0 N K25
Instrument T205mm f/5.5 Newton Instrument type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 1100 mm Instrument focale/diameter 5.5 Filter r' Camera SBIG ST10XME Sensor CCD Sensor temperature -15 °C Binning 1x1 Observatory MPC code K25 Reference stars catalog (ast) UCAC-4
Used softwares ASTROMETRICA URL for more information or pictures http://www.obs-hp.fr/~larnold/v2/LucArnold/29P_SchwassmannWachmann.html Observation submission date 2016 Sep 24 09h57m02s