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261P/Larson

Orbital period : 6.52 years

NASA/JPL elements
IAU/MPC elements


On 2025 Jul 25 01h09 UT by Jean-Gabriel Bosch


(Copyright Jean-Gabriel Bosch)

Nuclear magnitude (m2)17.9
m2 standard deviation0.3
Aperture radius used for m26.4 "
r (dist/Sun) 2.337 AU
d (dist/Earth) 1.322 AU
Right ascension20 06 09.08 h m s
Declination-18 25 38.4 ° ' "
MPC report
COD Y87
CON J.-G.Bosch
OBS J.-G.Bosch
MEA J.-G.Bosch
TEL 0.25-m f/4.75 reflector + CMO
NUM 23
ACK MPCReport file updated 2025.07.25 08:26:07
NET Gaia DR2
AC2 jgbosch@free.fr
0261P        KB2025 07 25.04759 20 06 09.08 -18 25 38.4          18.2 G      Y87
0261P        KB2025 07 25.05797 20 06 08.51 -18 25 37.7          18.0 G      Y87
0261P        KB2025 07 25.06818 20 06 07.97 -18 25 36.9          17.5 G      Y87
Instrument typeNewton
Instrument aperture (0=naked eye)250 mm
Instrument focale length1187.5 mm
Instrument focale/diameter4.75
CameraAsi 294MM
SensorCMOS
Sensor temperature-10 °C
Binning4x4
MountEQ6
Exposure details100x25s
Observatory MPC codeY87
LocationTrevinca skies-Amalthea
Reference stars catalogGaia DR2
Used softwaresTycho Tracker
Image resize factor2
Resulting picture sampling (scale)1.6 "/pix
Observation submission date2025 Jul 25 08h30m27s
Observation modification date2025 Jul 25 08h36m23s

(Record n° 29834)

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