21P/Giacobini-Zinner (Record n° 19359)
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 Jul 20 02h12 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 10.8 Aperture radius for m1 1.3 ' Magnitude (MPC m2) 12.7 Magnitude standard deviation 0.0 Aperture radius for m2 13.2 " r (dist/Sun) 1.250 AU d (dist/Earth) 0.687 AU Right ascension 339.60038 ° Declination +60.63394 ° 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 2018.07.20 06:13:04
AC2 fkugel@wanadoo.fr
NET USNO-SA2.0
0021P C2018 07 20.09162 22 38 24.09 +60 38 02.2 12.7 V A77
0021P C2018 07 20.09598 22 38 25.38 +60 38 10.4 12.7 V A77
0021P C2018 07 20.10119 22 38 26.97 +60 38 19.7 10.8 T A77
Instrumental configuration Config4 Instrument type Refractor Instrument aperture (0=naked eye) 60 mm Instrument focale length 348 mm Instrument focale/diameter 5.8 Filter L Camera ATIK460ex Sensor CCD Sensor temperature -10 °C Binning 1x1 Mount Meade MCMT-TDM Picture exposure details 3x60s Observatory MPC code A77 Reference stars catalog (ast) USNO-SA2.0
Image resize factor 1 Resulting picture sampling (scale) 2.64 "/pix Observation submission date 2018 Jul 20 06h19m51s Observation modification date 2018 Jul 20 06h42m17s