261P/Larson (Record n° 7690)
Orbital period : 6.52 years
NASA/JPL elements
IAU/MPC elements
On 2012 Oct 03 21h44 UT by Joel Nicolas
(Copyright Joel Nicolas)Nuclear magnitude (m2) 16.9 Aperture radius used for m2 5.6 " r (dist/Sun) 2.187 AU d (dist/Earth) 1.231 AU Right ascension 23 04 13.33 h m s Declination +04 38 49.1 ° ' " MPC report COD B51
CON J. NICOLAS [nicolas.joel@wanadoo.fr]
OBS J. Nicolas
MEA J. Nicolas
TEL 0.41-m f/3.3 reflector + CCD
ACK MPCReport file updated 2012.10.04 01:16:18
AC2 [nicolas.joel@wanadoo.fr]
NET USNO-A2.0
0261P KC2012 10 03.91827 23 04 12.27 +04 38 48.7 17.0 N B51
0261P KC2012 10 03.93921 23 04 11.75 +04 38 46.1 17.0 N B51
Instrument type Newton Instrument aperture (0=naked eye) 410 mm Instrument focale length 1353 mm Instrument focale/diameter 3.3 Filter(s) None Camera ST8XME Sensor CCD Binning 1x1 Exposure total time 1260 s Air mass 1.28 Observatory MPC code B51 Location 06 Vallauris Reference stars catalog USNO-A2.0
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.4 "/pix Observation submission date 2012 Oct 04 01h19m45s Observation modification date 2012 Oct 04 10h08m22s