73P-BT/Schwassmann-Wachmann (Record n° 17123)
Orbital period : 5.45 years
NASA/JPL elements
IAU/MPC elements
On 2017 Feb 10 08h31 UT by Thierry Noel
(Copyright Thierry Noel)Nuclear magnitude (m2) 12.6 m2 standard deviation 0.0 Aperture radius used for m2 6.5 " r (dist/Sun) 1.091 AU d (dist/Earth) 1.410 AU Right ascension 18 05 12.88 h m s Declination -20 01 21.6 ° ' " 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 2017.02.10 14:35:02
AC2 thierrynoel38a@free.fr
NET Gaia DR1
0073Pbt C2017 02 10.35516 18 05 12.88 -20 01 21.6 12.6 N W97
0073Pbt C2017 02 10.36387 18 05 15.56 -20 01 26.5 12.6 N W97
Instrument type Newton Instrument aperture (0=naked eye) 380 mm Instrument focale length 1748 mm Instrument focale/diameter 4.6 Filter(s) None Camera ST11000 Sensor CCD Sensor temperature -25 °C Binning 3x3 Mount Nova Autoguide No Exposure details 2x30s Observatory MPC code W97 Location San Pedro de Atacama, Chile Reference stars catalog Gaia DR1
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.09 "/pix Image processing Prism (-dark, /flat), Astrometrica (add), Iris (levels, ddp, crop) URL for more information or pictures http://www.minorplanetcenter.net/mpec/K17/K17C79.html Remarks or comments 1st observation of 73Pbt fragment outburst (brighter than 73P) ! c.f. MPEC 2017-C79. Tracking adjusted on 73P movement. Observation submission date 2017 Feb 10 14h54m19s Observation modification date 2017 May 23 23h31m17s