21P/Giacobini-Zinner (Record n° 19441)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Aug 08 01h42 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 9.3 Aperture radius used for m1 0.93 ' Nuclear magnitude (m2) 12.1 m2 standard deviation 0.1 Aperture radius used for m2 13 " Afrho 535 cm Afrho error 40 cm r (dist/Sun) 1.118 AU d (dist/Earth) 0.541 AU Right ascension 01 10 16.87 h m s Declination +66 31 38.1 ° ' " 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 2018.08.08 05:45:56
AC2 fkugel@wanadoo.fr
NET UCAC-4
0021P C2018 08 08.07109 01 10 16.87 +66 31 38.1 12.1 R A77
0021P C2018 08 08.08519 01 10 25.91 +66 31 40.0 12.0 R A77
0021P C2018 08 08.09932 01 10 34.98 +66 31 39.6 9.3 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 -15 °C Binning 1x1 Mount Meade MCMT Exposure total time 90 s Exposure details 3x30s Observatory MPC code A77 Reference stars catalog UCAC-4
Image resize factor 1 Resulting picture sampling (scale) 1.86 "/pix Remarks or comments Afrho = 535cm (10000km)
http://cara.uai.it/home Observation submission date 2018 Aug 08 06h20m15s Observation modification date 2018 Aug 08 06h28m29s