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46P/Wirtanen

Orbital period : 5.44 years

NASA/JPL elements
IAU/MPC elements


On 2018 Dec 14 06h36 UT by Thierry Noel


(Copyright Thierry Noel)

Coma Total magnitude (m1)9.8
Aperture radius used for m10.56 '
Nuclear magnitude (m2)11.2
m2 standard deviation0.1
Aperture radius used for m26.7 "
r (dist/Sun) 1.055 AU
d (dist/Earth) 0.079 AU
Right ascension03 41 28.24 h m s
Declination+13 49 46.1 ° ' "
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 m1 : 0.56'
COM Aperture radius for m2 : 6.7"
ACK MPCReport file updated 2018.12.14 16:14:18
AC2 thierrynoel38a@free.fr
NET Gaia DR2
0046P         C2018 12 14.27529 03 41 28.24 +13 49 46.1          11.3 G      W96
0046P         C2018 12 14.28593 03 41 33.05 +13 52 05.8           9.8 T      W96
0046P         C2018 12 14.30277 03 41 40.80 +13 55 44.9          11.1 G      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
Exposure details50x10s
Observatory MPC codeW96
LocationSan Pedro de Atacama, Chile
Reference stars catalogGaia DR2
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.12 "/pix
Image processingPrism (-dark, /flat), Astrometrica (add), Iris (levels, ddp, crop)
Observation submission date2018 Dec 14 16h18m47s
Observation modification date2018 Dec 14 20h28m12s

(Record n° 20169)

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