57P/du Toit-Neujmin-Delporte (Record n° 14159)
Orbital period : 6.40 years
NASA/JPL elements
IAU/MPC elements
On 2015 Jul 20 01h15 UT by Luc ArnoldNuclear magnitude (m2) 17.1 m2 standard deviation 0.1 Aperture radius used for m2 6.25 " r (dist/Sun) 1.811 AU d (dist/Earth) 1.180 AU Right ascension 00 17 49.52 h m s Declination +04 37 32.9 ° ' " 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 photometry aperture radius 6.25 arcsec
COM Sloan r' Astrodon Gen-1 filter (except for 61P, clear CLR Astrodon)
ACK MPCReport file updated 2015.07.20 03:16:28
AC2 luc.arnold@osupytheas.fr
NET UCAC-4
0057P KC2015 07 20.05234 00 17 49.52 +04 37 32.9 17.2 N K25
0057P KC2015 07 20.06147 00 17 50.05 +04 37 36.6 17.0 N K25
Instrument type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 1100 mm Instrument focale/diameter 5.5 Filter(s) r' Camera SBIG ST10-XME Sensor CCD Sensor temperature -11 °C Binning 1x1 Observatory MPC code K25 Reference stars catalog UCAC-4
Used softwares ASTROMETRICA URL for more information or pictures http://www.obs-hp.fr/~larnold/v2/LucArnold/Welcome.html Observation submission date 2015 Jul 21 05h17m31s