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3I/ATLAS


NASA/JPL elements
IAU/MPC elements


On 2026 Jan 20 21h13 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)15.5
m2 standard deviation0.1
Aperture radius used for m26.75 "
r (dist/Sun) 3.266 AU
d (dist/Earth) 2.285 AU
Right ascension08 21 11.17 h m s
Declination+17 05 27.2 ° ' "
MPC report
COD L27
CON J.-F. Soulier
OBS J.-F. Soulier
MEA J.-F. Soulier
TEL 0.25-m f/3.5 reflector + CCD
NUM 10
ACK MPCReport file updated 2026.01.21 08:37:49
NET ATLAS2
AC2 jean-francois.soulier2@wanadoo.fr
0003I        KC2026 01 20.88378 08 21 11.17 +17 05 27.2          15.5 r      L27
0003I        KC2026 01 20.88654 08 21 10.60 +17 05 28.9          15.4 r      L27
0003I        KC2026 01 20.88929 08 21 10.02 +17 05 30.6          15.5 r      L27
0003I        KC2026 01 20.89205 08 21 09.44 +17 05 32.3          15.5 r      L27
0003I        KC2026 01 20.89480 08 21 08.86 +17 05 34.0          15.4 r      L27
0003I        KC2026 01 20.89756 08 21 08.30 +17 05 35.8          15.5 r      L27
0003I        KC2026 01 20.90031 08 21 07.72 +17 05 37.4          15.5 r      L27
0003I        KC2026 01 20.90307 08 21 07.14 +17 05 39.0          15.5 r      L27
0003I        KC2026 01 20.90582 08 21 06.56 +17 05 40.8          15.5 r      L27
0003I        KC2026 01 20.90858 08 21 05.98 +17 05 42.5          15.4 r      L27
Instrument typeNewton
Instrument aperture (0=naked eye)250 mm
Instrument focale length875 mm
Instrument focale/diameter3.5
Filter(s)None
CameraATIK 414 EX
SensorCCD
Sensor temperature-20 °C
Binning1x1
MountPARAMOUNT ME
AutoguideNo
Exposure details70 x 30s
Observatory MPC codeL27
LocationDauban
Reference stars catalogATLAS2
Used softwaresTycho
Resulting picture sampling (scale)1.5 "/pix
Observation submission date2026 Jan 21 11h57m03s
Observation modification date2026 Jan 23 17h30m20s

(Record n° 30907)

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