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17P/Holmes

Orbital period : 6.93 years

NASA/JPL elements
IAU/MPC elements


On 2020 Nov 06 17h35 UT by Joel Nicolas


(Copyright Joel Nicolas)

Nuclear magnitude (m2)16.6
m2 standard deviation0.4
Aperture radius used for m24.2 "
r (dist/Sun) 2.234 AU
d (dist/Earth) 2.467 AU
Right ascension19 24 22.11 h m s
Declination-26 23 44.6 ° ' "
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 2020.11.07 11:27:21
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0017P        KC2020 11 06.73288 19 24 22.11 -26 23 44.6          16.9 N      A77
0017P        KC2020 11 06.74335 19 24 23.23 -26 23 38.5          16.2 N      A77
Instrumental configurationConfig1
Instrument typeNewton
Instrument aperture (0=naked eye)410 mm
Instrument focale length1353 mm
Instrument focale/diameter3.3
Filter(s)None
CameraST8XME
SensorCCD
Sensor temperature-20 °C
Binning1x1
Exposure details22*65s
Air mass3.66
Observatory MPC codeA77
Location04 Dauban
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.4 "/pix
Observation submission date2020 Nov 07 11h30m45s
Observation modification date2020 Nov 07 11h41m39s

(Record n° 22586)

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