21P/Giacobini-Zinner (Record n° 19763)
Perihelion distance : 1.01 AU
Inclination to ecliptic : 32 °
Orbital period : 6.52 years
Eccentricity : 0.71
NASA/JPL elements
IAU/MPC elements
On 2018 Sep 21 03h08 UT by Francois KugelComa Total magnitude (m1) 9.4 Aperture radius for m1 0.93 ' Magnitude (MPC m2) 12.2 Magnitude standard deviation 0.0 Aperture radius for m2 13 " Afrho 350 cm Afrho error 14 cm r (dist/Sun) 1.024 AU d (dist/Earth) 0.410 AU Right ascension 96.906 ° Declination +14.68181 ° MPC report COD A77
CON FRANCOIS KUGEL [fkugel@wanadoo.fr]
OBS A. Klotz ; F. Kugel
MEA F. Kugel
TEL 0.20-m f/4 Schmidt-Cassegrain + CCD
ACK MPCReport file updated 2018.09.21 07:45:36
AC2 fkugel@wanadoo.fr
NET USNO-SA2.0
0021P C2018 09 21.13085 06 27 37.44 +14 40 54.5 12.2 R A77
0021P C2018 09 21.13767 06 27 38.56 +14 40 14.2 12.2 R A77
0021P C2018 09 21.14554 06 27 39.93 +14 39 29.0 9.4 T A77
Instrumental configuration Config1 Instrument type Schmidt-Cassegrain Instrument aperture (0=naked eye) 200 mm Instrument focale length 800 mm Instrument focale/diameter 4 Filter r Camera ST2000XM Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Meade MCMT Observatory MPC code A77 Reference stars catalog (ast) USNO-SA2.0
Observation submission date 2018 Sep 21 08h28m31s Observation modification date 2018 Sep 21 20h09m01s