261P/Larson (Record n° 7817)
Orbital period : 6.52 years
NASA/JPL elements
IAU/MPC elements
On 2012 Oct 04 23h06 UT by Philippe DupouyNuclear magnitude (m2) 17.1 m2 standard deviation 0.1 Aperture radius used for m2 6 " r (dist/Sun) 2.187 AU d (dist/Earth) 1.235 AU Right ascension 23 03 47.95 h m s Declination +04 36 08.0 ° ' " 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 2012.10.08 21:48:50
AC2 obsdax@wanadoo.fr
NET UCAC-3
0261P KC2012 10 04.96268 23 03 47.95 +04 36 08.0 17.2 N 958
0261P KC2012 10 04.97455 23 03 47.52 +04 36 06.9 17.1 N 958
0261P KC2012 10 04.98641 23 03 47.14 +04 36 04.2 17.0 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 Oct 18 03h55m45s