21P/Giacobini-Zinner (Record n° 19799)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Sep 28 03h44 UT by Joel NicolasNuclear magnitude (m2) 12.2 m2 standard deviation 0.0 Aperture radius used for m2 8.4 " Afrho 266 cm Afrho error 3 cm r (dist/Sun) 1.044 AU d (dist/Earth) 0.439 AU Right ascension 06 45 31.99 h m s Declination +03 56 23.0 ° ' " 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 2018.09.28 15:59:18
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0021P C2018 09 28.15522 06 45 31.99 +03 56 23.0 12.2 N A77
0021P C2018 09 28.15720 06 45 32.27 +03 56 13.1 12.2 N A77
0021P C2018 09 28.15917 06 45 32.55 +03 56 02.8 12.2 N A77
0021P C2018 09 28.16113 06 45 32.77 +03 55 52.8 12.2 N A77
0021P C2018 09 28.16310 06 45 33.02 +03 55 43.0 12.2 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(s) R Bessel Camera ST8XME Sensor CCD Sensor temperature -18 °C Binning 1x1 Observatory MPC code A77 Location 04 Dauban Reference stars catalog UCAC-4
Photometry|Astrometry software ASTROMETRICA Observation submission date 2018 Sep 28 16h02m25s Observation modification date 2018 Sep 28 16h29m19s