21P/Giacobini-Zinner (Record n° 19499)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Aug 15 20h39 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 9.6 Aperture radius used for m1 0.54 ' Nuclear magnitude (m2) 11.3 m2 standard deviation 0.0 Aperture radius used for m2 6.5 " Coma diameter 9.15 ' Afrho 838 cm r (dist/Sun) 1.080 AU d (dist/Earth) 0.493 AU Right ascension 02 38 10.02 h m s Declination +64 37 42.2 ° ' " 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 2018.08.15
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P C2018 08 15.86058 02 38 10.02 +64 37 42.2 9.6 T C10
0021P C2018 08 15.87356 02 38 18.76 +64 37 21.5 11.3 R C10
0021P C2018 08 15.88792 02 38 28.37 +64 36 56.7 11.3 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 50 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 Aug 16 00h38m01s Observation modification date 2018 Aug 16 00h39m45s