21P/Giacobini-Zinner (Record n° 19922)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Oct 22 03h47 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 12.03 Aperture radius used for m1 0.70 ' Nuclear magnitude (m2) 14 m2 standard deviation 0.1 Aperture radius used for m2 6.5 " Afrho 97 cm Afrho error 2 cm r (dist/Sun) 1.172 AU d (dist/Earth) 0.591 AU Right ascension 07 20 45.72 h m s Declination -21 34 25.8 ° ' " 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 2018.10.22
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P C2018 10 22.15793 07 20 45.72 -21 34 25.8 14.0 R C10
0021P C2018 10 22.18660 07 20 46.90 -21 35 44.2 14.0 R C10
0021P C2018 10 22.21588 07 20 48.07 -21 37 04.0 13.9 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 -20 °C Binning 1x1 Mount F60a Axis Instruments Autoguide No Exposure details 45 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 Oct 22 08h33m46s Observation modification date 2018 Oct 22 13h56m35s