21P/Giacobini-Zinner (Record n° 19168)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 May 16 00h37 UT by Marc Deldem
(Copyright Marc Deldem)Nuclear magnitude (m2) 16.1 m2 standard deviation 0.1 Aperture radius used for m2 7.5 " r (dist/Sun) 1.830 AU d (dist/Earth) 1.360 AU Right ascension 20 04 25.48 h m s Declination +25 12 37.0 ° ' " MPC report COD K22
CON M. Deldem [marc.deldem@free.fr]
OBS M. Deldem
MEA M. Deldem
TEL 0.20-m f/10 Schmidt-Cassegrain + CCD + f/7.4 focal reducer
ACK MPCReport file updated 2018.05.16 09:27:10
AC2 marc.deldem@free.fr
NET UCAC-4
0021P KC2018 05 16.02581 20 04 25.48 +25 12 37.0 16.1 R K22
0021P KC2018 05 16.06061 20 04 28.68 +25 13 36.3 16.1 R K22
0021P KC2018 05 16.09918 20 04 32.16 +25 14 42.8 16.2 R K22
Instrument C8 Instrument type Schmidt-Cassegrain Instrument aperture (0=naked eye) 200 mm Instrument focale length 1480 mm Instrument focale/diameter 7.4 Filter(s) r' Camera SBIG ST8-XME Sensor CCD Sensor size 13.8x9.2 mm2 Sensor pixels number 1530x1020 Sensor temperature -15 °C Binning 1x1 Mount G11 Motorization Yes Autoguide Yes Exposure total time 5700 s Exposure details 95x1mn Air mass 1.25 Observatory MPC code K22 Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.25 "/pix Observation submission date 2018 May 16 22h05m49s Observation modification date 2018 May 16 22h08m58s