46P/Wirtanen (Record n° 20149)
Orbital period : 5.44 years
NASA/JPL elements
IAU/MPC elements
On 2018 Dec 10 19h30 UT by Hubert Boussier
(Copyright Hubert Boussier)
(Copyright Hubert Boussier)Nuclear magnitude (m2) 10.5 Coma diameter 11 ' Tail length 0.2 ° Spectrum .fit Download Spectrum picture sampling (scale) 2.5 Å/pix Spectrum resolution 900 dL/L r (dist/Sun) 1.055 AU d (dist/Earth) 0.082 AU Instrument C8+Chetcheur f/4.5 32mm Instrument type Schmidt-Cassegrain Instrument aperture (0=naked eye) 203 mm Instrument focale length 1250 mm Instrument focale/diameter 6.15 Spectrometer Lisa Camera Atik 414EX Sensor CCD Sensor temperature -20 °C Mount Sphinx Vixen Motorization Yes Autoguide Yes Observatory MPC code K21 Used softwares ISIS Image processing Rotationnel 40° Observation submission date 2018 Dec 11 16h21m14s Observation modification date 2018 Dec 16 16h09m19s