21P/Giacobini-Zinner (Record n° 19646)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Sep 09 02h08 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 9 Aperture radius used for m1 0.81 ' Nuclear magnitude (m2) 11.3 m2 standard deviation 0.1 Aperture radius used for m2 6.5 " Coma diameter 11 ' Afrho 640 cm Afrho error 15 cm r (dist/Sun) 1.013 AU d (dist/Earth) 0.392 AU Right ascension 05 44 19.32 h m s Declination +35 15 44.7 ° ' " 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 2018.09.09
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P C2018 09 09.08904 05 44 19.32 +35 15 44.7 11.3 R C10
0021P C2018 09 09.10704 05 44 24.11 +35 13 54.6 11.3 R C10
0021P C2018 09 09.12963 05 44 29.77 +35 11 36.8 9.0 T C10
0021P C2018 09 09.14760 05 44 34.82 +35 09 46.4 11.2 R C10
0021P C2018 09 09.17235 05 44 41.32 +35 07 14.7 11.2 R C10
Instrument type Newton Instrument aperture (0=naked eye) 300 mm Instrument focale length 1140 mm Instrument focale/diameter 3.8 Filter(s) Rc (UBVRI) Camera ST8-XME Sensor CCD Sensor temperature -15 °C Binning 1x1 Mount F60a Axis Instruments Autoguide No Exposure details 60 x 20s 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 Sep 09 07h22m14s Observation modification date 2018 Sep 10 09h46m41s