21P/Giacobini-Zinner (Record n° 19607)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Sep 04 02h03 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 8.5 Aperture radius used for m1 1.05 ' Nuclear magnitude (m2) 11.2 m2 standard deviation 0.0 Aperture radius used for m2 6.5 " Coma diameter 8 ' Afrho 841 cm Afrho error 16 cm r (dist/Sun) 1.017 AU d (dist/Earth) 0.399 AU Right ascension 05 19 20.05 h m s Declination +43 33 19.3 ° ' " 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 2018.09.04
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P C2018 09 04.08525 05 19 20.05 +43 33 19.3 11.2 R C10
0021P C2018 09 04.09654 05 19 23.46 +43 32 14.4 8.9 T C10
0021P C2018 09 04.10945 05 19 28.03 +43 31 02.1 11.2 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 40 x 15s 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 04 05h34m42s Observation modification date 2018 Sep 04 06h36m08s