17P/Holmes (Record n° 22555)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2020 Oct 31 18h15 UT by Francois Kugel
(Copyright Francois Kugel)Nuclear magnitude (m2) 16.2 m2 standard deviation 0.0 Aperture radius used for m2 5.8 " r (dist/Sun) 2.251 AU d (dist/Earth) 2.418 AU Right ascension 19 13 46.10 h m s Declination -27 25 59.7 ° ' " MPC report COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS F. Kugel
MEA F. Kugel
TEL 0.4-m f/2.8 reflector + CCD
ACK A77 file updated 2020.10.31 21:48:03
AC2 fkugel@free.fr
NET NOMAD
0017P KC2020 10 31.76056 19 13 46.10 -27 25 59.7 16.2 V A77
0017P KC2020 10 31.76635 19 13 46.73 -27 25 56.4 16.2 V A77
0017P KC2020 10 31.77098 19 13 47.18 -27 25 53.8 16.2 V A77
Instrumental configuration Config2 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Filter(s) None Camera Atik460ex Sensor CCD Sensor temperature -15 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 9x90s Observatory MPC code A77 Reference stars catalog NOMAD
Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2020 Oct 31 21h51m32s Observation modification date 2020 Oct 31 22h05m22s