21P/Giacobini-Zinner (Record n° 19405)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Jul 25 21h26 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 10.7 Aperture radius used for m1 0.54 ' Nuclear magnitude (m2) 12.3 m2 standard deviation 0.0 Aperture radius used for m2 6.5 " Coma diameter 4 ' r (dist/Sun) 1.212 AU d (dist/Earth) 0.647 AU Right ascension 23 12 49.00 h m s Declination +63 19 22.7 ° ' " 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 2018.07.25
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P C2018 07 25.89287 23 12 49.00 +63 19 22.7 12.3 N C10
0021P C2018 07 25.90906 23 12 55.29 +63 19 46.5 10.7 T C10
0021P C2018 07 25.92565 23 13 02.18 +63 20 13.9 12.3 N C10
Instrument type Newton Instrument aperture (0=naked eye) 300 mm Instrument focale length 1140 mm Instrument focale/diameter 3.8 Filter(s) None Camera ST8-XME Sensor CCD Sensor temperature -5 °C Binning 1x1 Mount F60a Axis Instruments Autoguide No Exposure details 40 x 30 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 Jul 26 05h44m17s Observation modification date 2018 Jul 26 09h24m38s