21P/Giacobini-Zinner (Record n° 19691)
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 Sep 12 03h02 UT by Joel NicolasMagnitude (MPC m2) 11.3 Magnitude standard deviation 0.1 Aperture radius for m2 8.4 " Afrho 514 cm Afrho error 15 cm r (dist/Sun) 1.013 AU d (dist/Earth) 0.392 AU Right ascension 89.29167 ° Declination +30.01822 ° MPC report COD A77
CON J. NICOLAS [nicolas.joel@wanadoo.fr]
OBS J. Nicolas
MEA J. Nicolas
TEL 0.41-m f/3.3 reflector + CCD
ACK MPCReport file updated 2018.09.13 20:31:24
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0021P C2018 09 12.12616 05 57 10.00 +30 01 05.6 11.4 N A77
0021P C2018 09 12.12823 05 57 10.50 +30 00 52.6 11.3 N A77
0021P C2018 09 12.13010 05 57 10.94 +30 00 41.0 11.3 N A77
0021P C2018 09 12.13178 05 57 11.35 +30 00 30.2 11.4 N A77
0021P C2018 09 12.13380 05 57 11.81 +30 00 18.1 11.3 N A77
Instrumental configuration Config1 Instrument type Newton Instrument aperture (0=naked eye) 410 mm Instrument focale length 1353 mm Instrument focale/diameter 3.3 Filter R Bessel Camera ST8XME Sensor CCD Sensor temperature -15 °C Binning 1x1 Observatory MPC code A77 Location 04 Dauban Reference stars catalog (ast) UCAC-4
Used softwares ASTROMETRICA Observation submission date 2018 Sep 13 20h34m51s Observation modification date 2018 Sep 13 20h54m36s