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71P/Clark

Orbital period : 5.56 years

NASA/JPL elements
IAU/MPC elements


On 2017 Dec 06 17h24 UT by Joel Nicolas


(Copyright Joel Nicolas)

Nuclear magnitude (m2)17.3
m2 standard deviation0.1
Aperture radius used for m25.6 "
r (dist/Sun) 2.136 AU
d (dist/Earth) 2.322 AU
Right ascension21 43 57.64 h m s
Declination-22 25 51.1 ° ' "
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 2017.12.07 07:56:48
AC2 nicolas.joel@wanadoo.fr
NET Gaia DR1
0071P        KC2017 12 06.72517 21 43 57.64 -22 25 51.1          17.3 N      A77
0071P        KC2017 12 06.73291 21 43 58.60 -22 25 45.2          17.3 N      A77
0071P        KC2017 12 06.73979 21 43 59.47 -22 25 39.9          17.4 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-30 °C
Binning1x1
Exposure total time1500 s
Exposure details25*60s
Air mass2.73
Observatory MPC codeA77
Location04 Dauban
Reference stars catalogGaia DR1
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.4 "/pix
Observation submission date2017 Dec 07 07h59m24s
Observation modification date2017 Dec 07 08h06m15s

(Record n° 18596)

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