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261P/Larson

Orbital period : 6.52 years

NASA/JPL elements
IAU/MPC elements


On 2012 Sep 21 19h59 UT by Joel Nicolas


(Copyright Joel Nicolas)

Nuclear magnitude (m2)16.8
m2 standard deviation0.1
Aperture radius used for m25.6 "
r (dist/Sun) 2.188 AU
d (dist/Earth) 1.196 AU
Right ascension23 10 30.67 h m s
Declination+05 09 01.5 ° ' "
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 2012.09.22 18:32:14
AC2 [nicolas.joel@wanadoo.fr]
NET USNO-A2.0
0261P        KC2012 09 21.83292 23 10 30.67 +05 09 01.5          16.8 N      B51
0261P        KC2012 09 21.84194 23 10 30.34 +05 09 00.7          16.8 N      B51
0261P        KC2012 09 21.85165 23 10 29.95 +05 08 59.4          16.7 N      B51
Instrument typeNewton
Instrument aperture (0=naked eye)410 mm
Instrument focale length1353 mm
Instrument focale/diameter3.3
Filter(s)None
CameraST8XME
SensorCCD
Binning1x1
Exposure total time1800 s
Air mass1.56
Observatory MPC codeB51
Location06 Vallauris
Reference stars catalogUSNO-A2.0
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.4 "/pix
Observation submission date2012 Sep 22 18h39m53s
Observation modification date2012 Sep 22 18h41m16s

(Record n° 7508)

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