47P/Ashbrook-Jackson (Record n° 18375)
Orbital period : 8.37 years
NASA/JPL elements
IAU/MPC elements
On 2017 Oct 15 19h54 UT by Luc ArnoldNuclear magnitude (m2) 16.7 m2 standard deviation 0.0 Aperture radius used for m2 6.25 " Tail length 0.067 ° Tail position angle
(PA) 230 ° r (dist/Sun) 2.910 AU d (dist/Earth) 1.922 AU Right ascension 01 17 28.27 h m s Declination +17 58 47.1 ° ' " 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 Images at URL http://www.obs-hp.fr/~larnold/v2/LucArnold/Welcome.html
ACK MPCReport file updated 2017.10.15 22:38:43
AC2 luc.arnold@osupytheas.fr
NET URAT-1
0047P KC2017 10 15.82925 01 17 28.27 +17 58 47.1 16.7 N K25
0047P KC2017 10 15.85393 01 17 27.02 +17 58 46.2 16.7 N K25
Instrument T205 f/D 5.5 Instrument type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 1100 mm Instrument focale/diameter 5.5 Filter(s) r Sensor CCD Sensor temperature -15 °C Binning 1x1 Observatory MPC code K25 Reference stars catalog URAT-1
Used softwares ASTROMETRICA URL for more information or pictures http://www.obs-hp.fr/~larnold/v2/LucArnold/47P_Ashbrook-Jackson.html Observation submission date 2017 Oct 16 10h16m13s Observation modification date 2017 Oct 16 10h17m12s