21P/Giacobini-Zinner (Record n° 18938)
Perihelion distance : 1.01 AU
Inclination to ecliptic : 32 °
Orbital period : 6.52 years
Eccentricity : 0.71
NASA/JPL elements
IAU/MPC elements
On 2018 Mar 15 08h56 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Magnitude (MPC m2) 18.6 Magnitude standard deviation 0.1 Aperture radius for m2 4.2 " r (dist/Sun) 2.386 AU d (dist/Earth) 2.398 AU Right ascension 277.62913 ° Declination +4.08019 ° 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 2018.03.15
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-4
0021P KC2018 03 15.37236 18 30 30.99 +04 04 48.7 18.6 N W96
0021P KC2018 03 15.37764 18 30 31.48 +04 04 53.2 18.4 N W96
0021P KC2018 03 15.38291 18 30 31.93 +04 04 57.6 18.7 N W96
Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 2080 mm Instrument focale/diameter 5.2 Filter None Camera QSY Sensor CCD Sensor temperature -15 °C Binning 2x2 Mount VMA 200 Autoguide No Picture exposure details 25 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) 1.06 "/pix Observation submission date 2018 Mar 15 11h29m10s Observation modification date 2018 Mar 15 12h05m57s