21P/Giacobini-Zinner (Record n° 19663)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Sep 10 01h29 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 9 Aperture radius used for m1 0.81 ' Nuclear magnitude (m2) 11.2 m2 standard deviation 0.0 Aperture radius used for m2 6.5 " Coma diameter 12 ' Afrho 695 cm Afrho error 31 cm r (dist/Sun) 1.013 AU d (dist/Earth) 0.392 AU Right ascension 05 48 36.52 h m s Declination +33 35 30.6 ° ' " 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 2018.09.10
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P C2018 09 10.06171 05 48 36.52 +33 35 30.6 11.2 R C10
0021P C2018 09 10.07940 05 48 41.08 +33 33 41.9 11.2 R C10
0021P C2018 09 10.10163 05 48 46.41 +33 31 25.5 9.0 T 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 -10 °C Binning 1x1 Mount F60a Axis Instruments Autoguide No Exposure details 50 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 10 08h19m22s Observation modification date 2018 Sep 10 09h54m45s