21P/Giacobini-Zinner (Record n° 19679)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Sep 08 02h57 UT by Joel NicolasNuclear magnitude (m2) 11.3 m2 standard deviation 0.1 Aperture radius used for m2 8.4 " Afrho 543 cm Afrho error 27 cm r (dist/Sun) 1.013 AU d (dist/Earth) 0.393 AU Right ascension 05 39 53.56 h m s Declination +36 54 30.0 ° ' " 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 2018.09.12 16:43:12
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0021P C2018 09 08.12284 05 39 53.56 +36 54 30.0 11.2 N A77
0021P C2018 09 08.12478 05 39 54.03 +36 54 18.4 11.2 N A77
0021P C2018 09 08.13937 05 39 58.08 +36 52 50.1 11.2 N A77
0021P C2018 09 08.14105 05 39 58.52 +36 52 40.2 11.3 N A77
0021P C2018 09 08.14273 05 39 58.95 +36 52 29.8 11.3 N A77
0021P C2018 09 08.14441 05 39 59.40 +36 52 19.6 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(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 12 16h46m40s Observation modification date 2018 Sep 12 19h18m55s