261P/Larson (Record n° 7720)
Orbital period : 6.52 years
NASA/JPL elements
IAU/MPC elements
On 2012 Sep 30 21h16 UT by Philippe DupouyNuclear magnitude (m2) 17.5 m2 standard deviation 0.1 Aperture radius used for m2 6 " r (dist/Sun) 2.187 AU d (dist/Earth) 1.219 AU Right ascension 23 05 31.76 h m s Declination +04 46 38.0 ° ' " MPC report COD 958
OBS Ph. Dupouy
MEA Ph. Dupouy
TEL 0.43-m f/3.5 reflector + CCD
ACK MPCReport file updated 2012.10.01 21:00:30
AC2 obsdax@wanadoo.fr
NET UCAC-3
0261P KC2012 09 30.88637 23 05 31.76 +04 46 38.0 17.4 N 958
0261P KC2012 09 30.89830 23 05 31.23 +04 46 36.0 17.6 N 958
0261P KC2012 09 30.91023 23 05 30.90 +04 46 32.8 17.5 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 04 04h08m43s