21P/Giacobini-Zinner (Record n° 19837)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Oct 06 02h47 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 10.7 Aperture radius used for m1 0.85 ' Nuclear magnitude (m2) 12.8 m2 standard deviation 0.1 Aperture radius used for m2 6.5 " Coma diameter 6.10 ' Afrho 185 cm Afrho error 4 cm r (dist/Sun) 1.078 AU d (dist/Earth) 0.484 AU Right ascension 07 01 15.20 h m s Declination -06 21 34.5 ° ' " 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 2018.10.06
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P C2018 10 06.11574 07 01 15.20 -06 21 34.5 12.9 R C10
0021P C2018 10 06.13602 07 01 17.21 -06 22 59.6 12.8 R C10
0021P C2018 10 06.16102 07 01 19.69 -06 24 44.4 12.8 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 06 08h57m26s Observation modification date 2018 Oct 06 22h18m16s