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46P/Wirtanen

Orbital period : 5.44 years

NASA/JPL elements
IAU/MPC elements


On 2018 Nov 16 07h56 UT by Thierry Noel


(Copyright Thierry Noel)

Coma Total magnitude (m1)11
Aperture radius used for m10.56 '
Nuclear magnitude (m2)13
m2 standard deviation0.0
Aperture radius used for m26.7 "
r (dist/Sun) 1.116 AU
d (dist/Earth) 0.194 AU
Right ascension02 07 05.73 h m s
Declination-31 10 08.7 ° ' "
MPC report
COD W96
CON Thierry Noel [thierrynoel38a@free.fr]
OBS A. Maury, J.-B. de Vanssay, T. Noel
MEA T. Noel
TEL 0.4-m f/5 Ritchey-Chretien + CCD
COM Aperture radius for m2 : 6.7"
COM Aperture radius for m1 : 0.56'
ACK MPCReport file updated 2018.11.16 14:06:56
AC2 thierrynoel38a@free.fr
NET UCAC-4
0046P         C2018 11 16.33067 02 07 05.73 -31 10 08.7          13.0 N      W96
0046P         C2018 11 16.33665 02 07 06.05 -31 10 00.5          11.0 T      W96
0046P         C2018 11 16.34188 02 07 06.28 -31 09 52.4          13.0 N      W96
InstrumentMarcon RC 400
Instrument typeRitchey-Chretien
Instrument aperture (0=naked eye)400 mm
Instrument focale length2000 mm
Instrument focale/diameter5
CameraAPOGEE
SensorCCD
Sensor temperature-25 °C
Binning2x2
MountVMA 200
AutoguideNo
Observatory MPC codeW96
LocationSan Pedro de Atacama, Chile
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Image processingPrism (-dark, /flat), Astrometrica (add), Iris (levels, ddp, crop)
Observation submission date2018 Nov 16 14h12m17s
Observation modification date2018 Nov 17 12h15m31s

(Record n° 19998)

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