71P/Clark (Record n° 17867)
Orbital period : 5.56 years
NASA/JPL elements
IAU/MPC elements
On 2017 Jun 20 01h59 UT by Thierry NoelNuclear magnitude (m2) 13 m2 standard deviation 0.0 Aperture radius used for m2 6.7 " r (dist/Sun) 1.589 AU d (dist/Earth) 0.597 AU Right ascension 16 28 15.47 h m s Declination -31 38 08.1 ° ' " 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 Newtonian reflector + CCD
COM Aperture radius for m1 : 25.2"
COM Aperture radius for m2 : 6.7"
ACK MPCReport file updated 2017.06.23 13:53:06
AC2 thierrynoel38a@free.fr
NET Gaia DR1
0071P C2017 06 20.08332 16 28 15.47 -31 38 08.1 13.0 N W97
0071P C2017 06 20.11102 16 28 14.92 -31 38 29.6 13.0 N W97
Instrument type Newton Instrument aperture (0=naked eye) 380 mm Instrument focale length 1748 mm Instrument focale/diameter 4.6 Camera QSI 532ws-M1 Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Nova Autoguide No Observatory MPC code W97 Location San Pedro de Atacama, Chile Reference stars catalog Gaia DR1
Used softwares ASTROMETRICA Observation submission date 2017 Jun 23 15h59m29s