46P/Wirtanen (Record n° 20169)
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 m1 0.56 ' Nuclear magnitude (m2) 11.2 m2 standard deviation 0.1 Aperture radius used for m2 6.7 " r (dist/Sun) 1.055 AU d (dist/Earth) 0.079 AU Right ascension 03 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
Instrument Marcon RC 400 Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 2000 mm Instrument focale/diameter 5 Camera APOGEE Sensor CCD Sensor temperature -25 °C Binning 2x2 Mount VMA 200 Autoguide No Exposure details 50x10s Observatory MPC code W96 Location San Pedro de Atacama, Chile Reference stars catalog Gaia DR2
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.12 "/pix Image processing Prism (-dark, /flat), Astrometrica (add), Iris (levels, ddp, crop) Observation submission date 2018 Dec 14 16h18m47s Observation modification date 2018 Dec 14 20h28m12s