21P/Giacobini-Zinner (Record n° 19567)
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 Aug 30 03h38 UT by Francois KugelComa Total magnitude (m1) 8.1 Aperture radius for m1 0.93 ' Magnitude (MPC m2) 11 Magnitude standard deviation 0.1 Aperture radius for m2 13.2 " Afrho 758 cm Afrho error 50 cm Afrho URL for more info http://cara.uai.it/ r (dist/Sun) 1.026 AU d (dist/Earth) 0.414 AU Right ascension 72.212 ° Declination +50.91531 ° 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 2018.08.30 07:11:56
AC2 fkugel@wanadoo.fr
NET UCAC-4
0021P KC2018 08 30.15131 04 48 50.88 +50 54 55.1 10.9 N A77
0021P KC2018 08 30.15651 04 48 53.17 +50 54 29.6 11.1 N A77
0021P KC2018 08 30.16170 04 48 55.02 +50 54 04.1 8.1 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 -5 °C Binning 1x1 Mount Meade MCMT Observatory MPC code A77 Reference stars catalog (ast) UCAC-4
Observation submission date 2018 Aug 30 07h15m26s Observation modification date 2018 Aug 30 07h59m09s