21P/Giacobini-Zinner (Record n° 19757)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Sep 20 03h22 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 8.9 Aperture radius used for m1 1.35 ' Nuclear magnitude (m2) 11 m2 standard deviation 0.0 Aperture radius used for m2 13.5 " Afrho 393 cm Afrho error 16 cm Afrho URL for more info http://cara.uai.it/ r (dist/Sun) 1.022 AU d (dist/Earth) 0.406 AU Right ascension 06 24 44.04 h m s Declination +16 18 21.2 ° ' " 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 2018.09.20 07:38:00
AC2 fkugel@wanadoo.fr
NET USNO-SA2.0
0021P C2018 09 20.14001 06 24 44.04 +16 18 21.2 11.0 V A77
0021P C2018 09 20.14641 06 24 45.14 +16 17 43.3 11.0 V A77
0021P C2018 09 20.15393 06 24 46.43 +16 16 58.8 8.9 T A77
Instrumental configuration Config6 Instrument type Refractor Instrument aperture (0=naked eye) 60 mm Instrument focale length 348 mm Instrument focale/diameter 5.8 Filter(s) None Camera asi294MCpro Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Meade MCMT-TDM Exposure details 3x60s Observatory MPC code A77 Reference stars catalog USNO-SA2.0
Image resize factor 0.25 Resulting picture sampling (scale) 2.7 "/pix Remarks or comments AfRho (10 000 km)computed from R channel zwo 294MCC camera. Observation submission date 2018 Sep 20 07h59m16s Observation modification date 2018 Sep 20 08h30m37s