21P/Giacobini-Zinner (Record n° 19846)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Oct 10 03h43 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 11.1 Aperture radius used for m1 0.81 ' Nuclear magnitude (m2) 13.2 m2 standard deviation 0.1 Aperture radius used for m2 6.5 " Coma diameter 4.20 ' Afrho 145 cm Afrho error 3 cm r (dist/Sun) 1.098 AU d (dist/Earth) 0.509 AU Right ascension 07 07 37.01 h m s Declination -10 49 54.9 ° ' " 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 2018.10.10
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P C2018 10 10.15507 07 07 37.01 -10 49 54.9 13.2 R C10
0021P C2018 10 10.17742 07 07 38.90 -10 51 19.5 13.2 R C10
0021P C2018 10 10.20036 07 07 40.78 -10 52 46.0 13.1 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 100 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 10 08h47m01s Observation modification date 2018 Oct 10 11h29m07s