21P/Giacobini-Zinner (Record n° 19371)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Jul 22 01h08 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 11 Aperture radius used for m1 1.3 ' Nuclear magnitude (m2) 12.8 m2 standard deviation 0.0 Aperture radius used for m2 13.2 " r (dist/Sun) 1.234 AU d (dist/Earth) 0.671 AU Right ascension 22 49 00.79 h m s Declination +61 35 18.6 ° ' " 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 2018.07.22 05:28:47
AC2 fkugel@wanadoo.fr
NET USNO-SA2.0
0021P C2018 07 22.04721 22 49 00.79 +61 35 18.6 12.8 V A77
0021P C2018 07 22.05197 22 49 02.33 +61 35 27.3 12.8 V A77
0021P C2018 07 22.05668 22 49 03.94 +61 35 35.1 11.0 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(s) L Camera ATIK460ex Sensor CCD Sensor temperature -10 °C Binning 1x1 Mount Meade MCMT-TDM Exposure details 3x60s Observatory MPC code A77 Reference stars catalog USNO-SA2.0
Image resize factor 1 Resulting picture sampling (scale) 2.64 "/pix Observation submission date 2018 Jul 22 05h40m56s Observation modification date 2018 Jul 22 05h44m18s