21P/Giacobini-Zinner (Record n° 19590)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Sep 02 09h12 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Coma Total magnitude (m1) 8.52 Aperture radius used for m1 0.52 ' Nuclear magnitude (m2) 11.4 m2 standard deviation 0.0 Aperture radius used for m2 6.7 " Coma diameter 5 ' Afrho 862 cm Afrho error 61 cm r (dist/Sun) 1.020 AU d (dist/Earth) 0.404 AU Right ascension 05 09 32.78 h m s Declination +46 12 46.8 ° ' " MPC report COD W96
CON J.-F. Soulier [jean-francois.soulier2@wanadoo.fr]
OBS A. Maury, J.-B. de Vanssay, J.-F. Soulier
MEA J.-F. Soulier
TEL 0.4-m f/5 Ritchey-Chretien + CCD
ACK MPCReport file updated 2018.09.02
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P C2018 09 02.38365 05 09 32.78 +46 12 46.8 11.4 R W96
0021P C2018 09 02.39193 05 09 35.61 +46 12 01.3 9.3 T W96
0021P C2018 09 02.40075 05 09 38.66 +46 11 13.1 11.4 R W96
Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 2000 mm Instrument focale/diameter 5 Filter(s) R (RGB) Camera APOGEE ALTA Sensor CCD Sensor temperature -25 °C Binning 2x2 Mount VMA 200 Autoguide No Exposure details 20 x 15s Observatory MPC code W96 Location San Pedro d Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.12 "/pix Observation submission date 2018 Sep 02 12h38m05s Observation modification date 2018 Sep 02 14h00m32s