21P/Giacobini-Zinner (Record n° 19529)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Aug 20 02h28 UT by Joel NicolasNuclear magnitude (m2) 11.5 m2 standard deviation 0.1 Aperture radius used for m2 7.0 " Afrho 730 cm Afrho error 29 cm r (dist/Sun) 1.058 AU d (dist/Earth) 0.462 AU Right ascension 03 23 30.66 h m s Declination +61 55 58.1 ° ' " 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 2018.08.20 09:52:23
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0021P C2018 08 20.10277 03 23 30.66 +61 55 58.1 11.5 N A77
0021P C2018 08 20.10475 03 23 31.90 +61 55 52.9 11.6 N A77
0021P C2018 08 20.10700 03 23 33.31 +61 55 46.4 11.5 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) V Bessel Camera ST8XME Sensor CCD Sensor temperature -15 °C Binning 1x1 Observatory MPC code A77 Location 04 Dauban Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Observation submission date 2018 Aug 20 09h58m46s Observation modification date 2018 Aug 24 09h56m58s