21P/Giacobini-Zinner (Record n° 3889)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2011 Jul 06 20h52 UT by Francois KugelNuclear magnitude (m2) 18.6 m2 standard deviation 0.2 Aperture radius used for m2 10 " r (dist/Sun) 2.723 AU d (dist/Earth) 2.146 AU Right ascension 15 17 29.20 h m s Declination +15 10 52.0 ° ' " MPC report COD A77
CON FRANCOIS KUGEL [fkugel@wanadoo.fr]
OBS C. Rinner, F. Kugel
MEA F. Kugel
TEL 0.5-m f/3 reflector + CCD
ACK MPCReport file updated 2011.07.07 11:28:29
AC2 fkugel@wanadoo.fr
NET UCAC-3
0021P KC2011 07 06.86938 15 17 29.20 +15 10 52.0 18.7 N A77
0021P KC2011 07 06.87403 15 17 29.03 +15 10 49.9 18.8 N A77
0021P KC2011 07 06.88334 15 17 28.63 +15 10 48.8 18.7 N A77
0021P KC2011 07 06.89259 15 17 28.54 +15 10 46.5 18.3 N A77
Instrument type Newton Instrument aperture (0=naked eye) 500 mm Instrument focale length 1500 mm Instrument focale/diameter 3 Sensor CCD Observatory MPC code A77 Reference stars catalog UCAC-3
Observation submission date 2011 Jul 07 11h52m16s