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C/2025 W2 (ATLAS)

Orbital period : 138.90 years

NASA/JPL elements
IAU/MPC elements


On 2025 Dec 01 17h37 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)19.5
m2 standard deviation0.2
Aperture radius used for m26.75 "
r (dist/Sun) 1.456 AU
d (dist/Earth) 0.938 AU
Right ascension13 22 25.84 h m s
Declination+70 33 25.1 ° ' "
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 5
ACK MPCReport file updated 2025.12.01 21:17:06
NET ATLAS2
AC2 jean-francois.soulier2@wanadoo.fr
    CK25W020 KC2025 12 01.73391 13 22 25.84 +70 33 25.1          19.6 r      L27
    CK25W020 KC2025 12 01.74888 13 22 44.04 +70 33 58.2          19.3 r      L27
    CK25W020 KC2025 12 01.76520 13 23 04.44 +70 34 34.9          19.5 r      L27
    CK25W020 KC2025 12 01.78113 13 23 24.13 +70 35 09.3          19.8 r      L27
    CK25W020 KC2025 12 01.79519 13 23 41.14 +70 35 41.3          19.5 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 details273 x 20s
Observatory MPC codeL27
LocationDauban
Reference stars catalogATLAS2
Used softwaresTycho
Resulting picture sampling (scale)1.5 "/pix
Observation submission date2025 Dec 13 08h17m07s
Observation modification date2025 Dec 13 08h18m44s

(Record n° 30617)

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