21P/Giacobini-Zinner (Record n° 19625)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Sep 05 03h18 UT by Joel Nicolas
(Copyright Joel Nicolas)Coma Total magnitude (m1) 8.6 Nuclear magnitude (m2) 11.1 m2 standard deviation 0.1 Aperture radius used for m2 8.4 " Afrho 590 cm Afrho error 18 cm r (dist/Sun) 1.016 AU d (dist/Earth) 0.397 AU Right ascension 05 25 01.75 h m s Declination +41 52 02.8 ° ' " 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 2018.09.05 15:57:18
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0021P C2018 09 05.13726 05 25 01.75 +41 52 02.8 11.1 N A77
0021P C2018 09 05.13860 05 25 02.20 +41 51 55.0 11.0 N A77
0021P C2018 09 05.14028 05 25 02.70 +41 51 45.3 11.1 N A77
0021P C2018 09 05.14196 05 25 03.22 +41 51 35.7 11.1 N A77
0021P C2018 09 05.14363 05 25 03.71 +41 51 26.1 11.0 N A77
0021P C2018 09 05.15016 05 25 05.74 +41 50 48.0 11.1 N A77
0021P C2018 09 05.15150 05 25 06.19 +41 50 40.1 11.1 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 Exposure details 2*20s Air mass 1.12 Observatory MPC code A77 Location 04 Dauban Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Observation submission date 2018 Sep 05 16h03m55s Observation modification date 2018 Sep 05 17h15m58s