21P/Giacobini-Zinner (Record n° 19514)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Aug 17 01h58 UT by Joel Nicolas
(Copyright Joel Nicolas)Coma Total magnitude (m1) 8.5 Nuclear magnitude (m2) 11.6 m2 standard deviation 0.0 Aperture radius used for m2 5.6 " Coma diameter 3.2 ' Afrho 840 cm Afrho error 59 cm r (dist/Sun) 1.071 AU d (dist/Earth) 0.480 AU Right ascension 02 51 38.64 h m s Declination +63 58 50.6 ° ' " 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 2018.08.17 14:50:07
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0021P C2018 08 17.08227 02 51 38.64 +63 58 50.6 11.6 N A77
0021P C2018 08 17.08442 02 51 40.07 +63 58 46.1 11.6 N A77
0021P C2018 08 17.08697 02 51 41.79 +63 58 41.1 11.6 N A77
0021P C2018 08 17.09001 02 51 43.76 +63 58 34.8 11.5 N A77
0021P C2018 08 17.09428 02 51 46.48 +63 58 26.2 11.6 N A77
0021P C2018 08 17.09684 02 51 48.07 +63 58 21.1 11.6 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 -15 °C Binning 1x1 Exposure details 3*35s Observatory MPC code A77 Location 04 Dauban Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Observation submission date 2018 Aug 17 15h05m33s Observation modification date 2018 Aug 17 16h47m07s