21P/Giacobini-Zinner (Record n° 19528)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Aug 20 02h16 UT by Joel NicolasComa Total magnitude (m1) 8.1 Nuclear magnitude (m2) 11.5 m2 standard deviation 0.0 Aperture radius used for m2 7.0 " Afrho 858 cm Afrho error 43 cm r (dist/Sun) 1.058 AU d (dist/Earth) 0.462 AU Right ascension 03 23 25.73 h m s Declination +61 56 21.1 ° ' " 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 09:39:56
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0021P C2018 08 20.09453 03 23 25.73 +61 56 21.1 11.5 N A77
0021P C2018 08 20.09678 03 23 27.11 +61 56 14.5 11.5 N A77
0021P C2018 08 20.09904 03 23 28.43 +61 56 08.3 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) I 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 09h44m43s Observation modification date 2018 Aug 21 18h03m50s