21P/Giacobini-Zinner (Record n° 19481)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Aug 14 01h56 UT by Joel Nicolas
(Copyright Joel Nicolas)Coma Total magnitude (m1) 8.9 Nuclear magnitude (m2) 11.7 m2 standard deviation 0.1 Aperture radius used for m2 5.6 " Coma diameter 2.5 ' Afrho 760 cm Afrho error 30 cm r (dist/Sun) 1.085 AU d (dist/Earth) 0.499 AU Right ascension 02 18 06.50 h m s Declination +65 24 12.0 ° ' " 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 2018.08.14 15:28:27
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0021P C2018 08 14.08059 02 18 06.50 +65 24 12.0 11.7 N A77
0021P C2018 08 14.08223 02 18 07.69 +65 24 10.1 11.7 N A77
0021P C2018 08 14.08427 02 18 08.89 +65 24 07.1 11.7 N A77
0021P C2018 08 14.08642 02 18 10.30 +65 24 04.2 11.8 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 -12 °C Binning 1x1 Exposure details 5*35s Observatory MPC code A77 Location 04 Dauban Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 2.8 "/pix Observation submission date 2018 Aug 14 15h31m34s Observation modification date 2018 Aug 14 21h26m16s