29P/Schwassmann-Wachmann (Record n° 13899)
Perihelion distance : 5.8 AU
Inclination to ecliptic : 9 °
Orbital period : 14.91 years
Eccentricity : 0.04
NASA/JPL elements
IAU/MPC elements
On 2015 May 21 02h35 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Magnitude (MPC m2) 16.1 Magnitude standard deviation 0.1 Aperture radius for m2 5.5 " Coma diameter 2.14 ' r (dist/Sun) 6.042 AU d (dist/Earth) 5.141 AU Right ascension 267.49629 ° Declination -31.79894 ° MPC report COD W96
CON ALAIN MAURY [amaury@spaceobs.com]
OBS A. Maury, J.-F. Soulier
MEA J.-F. Soulier
TEL 0.4-m f/8 Ritchey-Chretien + CCD
ACK MPCReport file updated 2015.05.21
AC2 amaury@spaceobs.com
NET UCAC-4
0029P C2015 05 21.10786 17 49 59.11 -31 47 56.2 16.0 N W96
0029P C2015 05 21.15496 17 49 57.89 -31 47 56.8 16.1 N W96
Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 3200 mm Instrument focale/diameter 8 Filter None Camera QHY Sensor CCD Sensor temperature -35 °C Binning 2x2 Mount PARAMOUNT Autoguide Yes Exposure details 30 x 120s Moon elongation 164 ° Air mass 1.63 Observatory MPC code W96 Location San Pedro de Atacama, Chili Reference stars catalog (ast) UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 0.69 "/pix Observation submission date 2015 May 21 08h58m39s Observation modification date 2015 May 21 18h57m19s