17P/Holmes (Record n° 22613)
Orbital period : 6.93 years
NASA/JPL elements
IAU/MPC elements
On 2020 Nov 12 17h42 UT by Francois Kugel
(Copyright Francois Kugel)Nuclear magnitude (m2) 16 m2 standard deviation 0.2 Aperture radius used for m2 5.8 " r (dist/Sun) 2.218 AU d (dist/Earth) 2.514 AU Right ascension 19 35 19.74 h m s Declination -25 19 11.9 ° ' " 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 2020.11.12 22:25:55
AC2 fkugel@free.fr
NET NOMAD
0017P C2020 11 12.73769 19 35 19.74 -25 19 11.9 15.9 V A77
0017P C2020 11 12.74336 19 35 20.40 -25 19 07.5 16.2 V A77
0017P C2020 11 12.74903 19 35 20.98 -25 19 04.6 15.8 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 15x60s Observatory MPC code A77 Reference stars catalog NOMAD
Image resize factor 0.365 Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2020 Nov 12 22h36m33s Observation modification date 2020 Nov 12 23h22m22s