21P/Giacobini-Zinner (Record n° 19770)
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 23 03h53 UT by Francois KugelMagnitude (MPC m2) 12.6 Magnitude standard deviation 0.1 Aperture radius for m2 13.4 " r (dist/Sun) 1.029 AU d (dist/Earth) 0.417 AU Right ascension 98.31425 ° Declination +11.42314 ° MPC report COD A77
CON FRANCOIS KUGEL [fkugel@wanadoo.fr]
OBS C. Rinner, F. Kugel
MEA F. Kugel
TEL 0.06-m f/5.8 refractor + CCD
ACK MPCReport file updated 2018.09.23 08:55:59
AC2 fkugel@wanadoo.fr
NET USNO-SA2.0
0021P C2018 09 23.16173 06 33 15.42 +11 25 23.3 12.7 V A77
0021P C2018 09 23.17032 06 33 16.79 +11 24 40.5 12.6 V A77
0021P C2018 09 23.17885 06 33 18.11 +11 23 47.5 12.6 V A77
Instrumental configuration Config6 Instrument type Refractor Instrument aperture (0=naked eye) 60 mm Instrument focale length 348 mm Instrument focale/diameter 5.8 Camera asi294MCpro 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 23 09h01m10s