21P/Giacobini-Zinner (Record n° 19521)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Aug 18 01h45 UT by Joel NicolasComa Total magnitude (m1) 8.7 Nuclear magnitude (m2) 11.6 m2 standard deviation 0.0 Aperture radius used for m2 5.6 " Coma diameter 2.8 ' Afrho 756 cm Afrho error 8 cm r (dist/Sun) 1.066 AU d (dist/Earth) 0.474 AU Right ascension 03 02 21.33 h m s Declination +63 22 37.5 ° ' " 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 2018.08.18 16:57:14
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0021P C2018 08 18.07302 03 02 21.33 +63 22 37.5 11.6 N A77
0021P C2018 08 18.07470 03 02 22.43 +63 22 33.3 11.6 N A77
0021P C2018 08 18.07602 03 02 23.30 +63 22 30.7 11.6 N A77
0021P C2018 08 18.07778 03 02 24.32 +63 22 26.7 11.5 N A77
0021P C2018 08 18.07954 03 02 25.41 +63 22 22.7 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 -18 °C Binning 1x1 Observatory MPC code A77 Location 04 Dauban Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Observation submission date 2018 Aug 18 17h00m44s Observation modification date 2018 Aug 18 18h17m52s