261P/Larson (Record n° 7642)
Orbital period : 6.52 years
NASA/JPL elements
IAU/MPC elements
On 2012 Sep 22 22h47 UT by Philippe DupouyNuclear magnitude (m2) 16.6 m2 standard deviation 0.2 Aperture radius used for m2 6 " r (dist/Sun) 2.187 AU d (dist/Earth) 1.198 AU Right ascension 23 09 49.51 h m s Declination +05 06 25.4 ° ' " MPC report COD 958
OBS Ph. Dupouy, J. B. de Vanssay
MEA Ph. Dupouy
TEL 0.43-m f/3.5 reflector + CCD
ACK MPCReport file updated 2012.09.23 19:46:49
AC2 obsdax@wanadoo.fr
NET UCAC-3
0261P KC2012 09 22.94920 23 09 49.51 +05 06 25.4 16.8 N 958
0261P KC2012 09 22.96105 23 09 48.97 +05 06 25.2 16.5 N 958
0261P KC2012 09 22.97291 23 09 48.53 +05 06 22.3 16.4 N 958
Instrument type Newton Instrument aperture (0=naked eye) 430 mm Instrument focale length 1505 mm Instrument focale/diameter 3.5 Camera Audine 1600 Sensor CCD Sensor size 13.8x9.2 mm2 Sensor pixels number 1536x1024 Sensor temperature -10 °C Binning 2x2 Mount home Meade Motorization Yes Autoguide No Observatory MPC code 958 Location Dax 40100 France Reference stars catalog UCAC-3
Used softwares ASTROMETRICA Observation submission date 2012 Sep 23 22h10m40s