21P/Giacobini-Zinner (Record n° 18859)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Feb 15 08h59 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 20.3 m2 standard deviation 0.1 Aperture radius used for m2 5.3 " r (dist/Sun) 2.620 AU d (dist/Earth) 2.931 AU Right ascension 17 47 03.23 h m s Declination -00 41 49.7 ° ' " MPC report COD W96
CON JEAN-FRANCOIS 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/5.2 Ritchey-Chretien + CCD
ACK MPCReport file updated 2018.02.15
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P KC2018 02 15.37478 17 47 03.23 -00 41 49.7 20.3 N W96
0021P KC2018 02 15.38077 17 47 03.79 -00 41 46.6 20.4 N W96
0021P KC2018 02 15.38676 17 47 04.31 -00 41 43.9 20.2 N W96
Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 2080 mm Instrument focale/diameter 5.2 Filter(s) None Camera QHY Sensor CCD Sensor temperature -15 °C Binning 2x2 Mount VMA 200 Autoguide No Exposure details 30 x 60s Observatory MPC code W96 Location San Pedro d Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.06 "/pix Observation submission date 2018 Feb 15 10h35m17s Observation modification date 2018 Feb 16 10h47m38s