261P/Larson (Record n° 7553)
Orbital period : 6.52 years
NASA/JPL elements
IAU/MPC elements
On 2012 Sep 13 23h22 UT by Philippe DupouyNuclear magnitude (m2) 16.9 m2 standard deviation 0.1 Aperture radius used for m2 6 " r (dist/Sun) 2.190 AU d (dist/Earth) 1.191 AU Right ascension 23 15 40.02 h m s Declination +05 24 15.7 ° ' " 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 2012.09.20 22:03:09
AC2 obsdax@wanadoo.fr
NET UCAC-3
0261P KC2012 09 13.97392 23 15 40.02 +05 24 15.7 17.0 N 958
0261P KC2012 09 13.98578 23 15 39.52 +05 24 15.1 16.9 N 958
0261P KC2012 09 13.99764 23 15 39.00 +05 24 13.6 16.9 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 02h15m04s