21P/Giacobini-Zinner (Record n° 19426)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Aug 01 20h58 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 10.3 Aperture radius used for m1 0.54 ' Nuclear magnitude (m2) 12 m2 standard deviation 0.1 Aperture radius used for m2 6.5 " Coma diameter 8.20 ' r (dist/Sun) 1.162 AU d (dist/Earth) 0.593 AU Right ascension 00 07 52.73 h m s Declination +65 44 01.3 ° ' " MPC report COD C10
CON J.-F. Soulier [jean-francois.soulier2@wanadoo.fr]
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.30-m f/3.8 Newtonian reflector + CCD
ACK MPCReport file updated 2018.08.01
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P C2018 08 01.87366 00 07 52.73 +65 44 01.3 11.9 N C10
0021P C2018 08 01.89394 00 08 03.74 +65 44 20.0 10.3 T C10
0021P C2018 08 01.91801 00 08 16.93 +65 44 43.8 12.0 N C10
Instrument type Newton Instrument aperture (0=naked eye) 300 mm Instrument focale length 1140 mm Instrument focale/diameter 3.8 Filter(s) None Camera ST8-XME Sensor CCD Sensor temperature -5 °C Binning 1x1 Mount F60a Axis Instruments Autoguide No Exposure details 50 x 30s Observatory MPC code C10 Location Seine et Marne (77) Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.62 "/pix Observation submission date 2018 Aug 02 10h49m46s Observation modification date 2018 Aug 02 12h25m04s