21P/Giacobini-Zinner (Record n° 19465)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Aug 11 00h18 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 9.8 Aperture radius used for m1 0.54 ' Nuclear magnitude (m2) 11.6 m2 standard deviation 0.1 Aperture radius used for m2 6.5 " Coma diameter 5 ' Afrho 620 cm r (dist/Sun) 1.101 AU d (dist/Earth) 0.520 AU Right ascension 01 43 08.84 h m s Declination +66 14 48.0 ° ' " 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 2018.08.11
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P C2018 08 11.01223 01 43 08.84 +66 14 48.0 9.8 T C10
0021P C2018 08 11.01548 01 43 10.86 +66 14 46.8 11.5 R C10
0021P C2018 08 11.01942 01 43 13.62 +66 14 44.9 11.6 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 -10 °C Binning 1x1 Mount F60a Axis Instruments Autoguide No Exposure details 10 x 60s 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 11 12h03m00s Observation modification date 2018 Aug 13 11h21m45s