21P/Giacobini-Zinner (Record n° 19455)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Aug 11 02h21 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 8.8 Aperture radius used for m1 0.93 ' Nuclear magnitude (m2) 11.8 m2 standard deviation 0.1 Aperture radius used for m2 13 " Afrho 661 cm Afrho error 20 cm r (dist/Sun) 1.101 AU d (dist/Earth) 0.520 AU Right ascension 01 44 06.38 h m s Declination +66 13 57.5 ° ' " 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 2018.08.11 05:07:28
AC2 fkugel@wanadoo.fr
NET UCAC-4
0021P KC2018 08 11.09776 01 44 06.38 +66 13 57.5 11.7 R A77
0021P KC2018 08 11.10200 01 44 09.11 +66 13 54.8 11.8 R A77
0021P KC2018 08 11.10767 01 44 12.95 +66 13 51.3 8.8 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(s) r Camera ST2000XM Sensor CCD Sensor temperature -10 °C Mount Meade MCMT Exposure details 3x60s Observatory MPC code A77 Reference stars catalog UCAC-4
Resulting picture sampling (scale) 1.86 "/pix Remarks or comments http://cara.uai.it/ Observation submission date 2018 Aug 11 05h53m34s Observation modification date 2018 Aug 11 18h12m35s