21P/Giacobini-Zinner (Record n° 20048)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Nov 20 03h38 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 15.4 m2 standard deviation 0.1 Aperture radius used for m2 6.7 " Coma diameter 1 ' Tail length 0.2 ° r (dist/Sun) 1.403 AU d (dist/Earth) 0.788 AU Right ascension 07 18 58.03 h m s Declination -36 26 18.8 ° ' " 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 W96 NEOCP 2018.11.19 and 20
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P C2018 11 20.15127 07 18 58.03 -36 26 18.8 15.4 N W96
0021P C2018 11 20.17352 07 18 56.84 -36 26 42.4 15.4 N W96
0021P C2018 11 20.19887 07 18 55.53 -36 27 12.0 15.5 N W96
Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 2000 mm Instrument focale/diameter 5 Filter(s) None Camera APOGEE Sensor CCD Sensor temperature -25 °C Binning 2x2 Mount VMA 200 Autoguide No Exposure details 30 x 60s Observatory MPC code W96 Location San Pedro d'Atacama Chili Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.12 "/pix Observation submission date 2018 Nov 20 10h00m51s Observation modification date 2018 Nov 20 10h26m49s