21P/Giacobini-Zinner (Record n° 20440)
Perihelion distance : 1.01 AU
Inclination to ecliptic : 32 °
Orbital period : 6.52 years
Eccentricity : 0.71
NASA/JPL elements
IAU/MPC elements
On 2019 Jan 20 01h18 UT by Jean-Francois SoulierMagnitude (MPC m2) 16.2 Magnitude standard deviation 0.2 Aperture radius for m2 6.7 " r (dist/Sun) 1.963 AU d (dist/Earth) 1.267 AU Right ascension 91.99896 ° Declination -31.64367 ° 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 2019.01.22 12:33:12
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P KC2019 01 20.05397 06 07 59.75 -31 38 37.2 15.9 N W96
0021P KC2019 01 20.07070 06 07 59.19 -31 38 17.2 16.4 N W96
0021P KC2019 01 20.08811 06 07 58.63 -31 37 55.9 16.4 N W96
Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 2000 mm Instrument focale/diameter 5 Filter None Camera APOGEE Sensor CCD Sensor temperature -25 °C Binning 2x2 Mount VMA 200 Autoguide No Picture exposure details 60 x 60s Observatory MPC code W96 Location San Pedro d'Atacama Chili Reference stars catalog (ast) UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.12 "/pix Observation submission date 2019 Jan 22 16h37m24s Observation modification date 2019 Jan 24 10h33m13s