21P/Giacobini-Zinner (Record n° 4022)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2011 Jul 31 21h24 UT by Francois KugelNuclear magnitude (m2) 18 m2 standard deviation 0.2 Aperture radius used for m2 10 " r (dist/Sun) 2.520 AU d (dist/Earth) 2.241 AU Right ascension 15 13 31.94 h m s Declination +13 12 22.7 ° ' " 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 2011.08.02 09:51:01
AC2 fkugel@wanadoo.fr
NET UCAC-3
0021P KC2011 07 31.89141 15 13 31.94 +13 12 22.7 17.7 N A77
0021P KC2011 07 31.90696 15 13 32.08 +13 12 16.6 18.2 N A77
0021P KC2011 07 31.92246 15 13 32.22 +13 12 10.5 18.0 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 Aug 02 09h53m16s