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17P/Holmes

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 deviation0.2
Aperture radius used for m25.8 "
r (dist/Sun) 2.218 AU
d (dist/Earth) 2.514 AU
Right ascension19 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 configurationConfig2
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)None
CameraAtik460ex
SensorCCD
Sensor temperature-15 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details15x60s
Observatory MPC codeA77
Reference stars catalogNOMAD
Image resize factor0.365
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2020 Nov 12 22h36m33s
Observation modification date2020 Nov 12 23h22m22s

(Record n° 22613)

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