21P/Giacobini-Zinner (Record n° 4094)
Perihelion distance : 1.01 AU
Inclination to ecliptic : 32 °
Orbital period : 6.52 years
Eccentricity : 0.71
NASA/JPL elements
IAU/MPC elements
On 2011 Aug 20 20h57 UT by Francois KugelMagnitude (MPC m2) 18.1 Magnitude standard deviation 0.5 Aperture radius for m2 7.5 " r (dist/Sun) 2.351 AU d (dist/Earth) 2.314 AU Right ascension 230.46979 ° Declination +10.71078 ° 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 2011.08.21 12:53:13
AC2 fkugel@wanadoo.fr
NET UCAC-3
0021P C2011 08 20.87303 15 21 52.75 +10 42 38.8 18.7 N A77
0021P C2011 08 20.88388 15 21 53.27 +10 42 33.9 17.6 N A77
0021P C2011 08 20.89467 15 21 53.57 +10 42 28.6 17.9 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 (ast) UCAC-3
Observation submission date 2011 Aug 21 12h54m59s