46P/Wirtanen (Record n° 20274)
Orbital period : 5.44 years
NASA/JPL elements
IAU/MPC elements
On 2018 Dec 29 22h32 UT by Joel Nicolas
(Copyright Joel Nicolas)Coma Total magnitude (m1) 8.9 Aperture radius used for m1 3.3 ' Nuclear magnitude (m2) 11.9 m2 standard deviation 0.0 Aperture radius used for m2 8.4 " Coma diameter 6.6 ' Afrho 59 cm Afrho error 2 cm r (dist/Sun) 1.078 AU d (dist/Earth) 0.109 AU Right ascension 06 39 42.39 h m s Declination +55 38 17.7 ° ' " 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 A77 NEOCP 2018.12.30 17:05:43
AC2 nicolas.joel@wanadoo.fr
NET UCAC-4
0046P C2018 12 29.93906 06 39 42.39 +55 38 17.7 11.9 N A77
0046P C2018 12 29.94128 06 39 43.88 +55 38 25.3 11.9 N A77
0046P C2018 12 29.94267 06 39 44.89 +55 38 30.3 11.9 N A77
0046P C2018 12 29.94406 06 39 45.86 +55 38 35.3 11.9 N A77
0046P C2018 12 29.94545 06 39 46.78 +55 38 40.6 11.9 N A77
0046P C2018 12 29.94684 06 39 47.81 +55 38 46.0 11.9 N A77
Instrumental configuration Config1 Instrument type Newton Instrument aperture (0=naked eye) 410 mm Instrument focale length 1353 mm Instrument focale/diameter 3.3 Filter(s) R Bessel Camera ST8XME Sensor CCD Sensor temperature -20 °C Binning 1x1 Exposure details 25*16s Air mass 1.04 Observatory MPC code A77 Location 04 Dauban Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Observation submission date 2018 Dec 30 17h09m03s Observation modification date 2018 Dec 31 16h14m35s