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C/2025 W2 (ATLAS)

Orbital period : 138.90 years

NASA/JPL elements
IAU/MPC elements


On 2025 Dec 29 17h47 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)19.8
m2 standard deviation0.1
Aperture radius used for m26.75 "
r (dist/Sun) 1.483 AU
d (dist/Earth) 1.275 AU
Right ascension19 14 57.78 h m s
Declination+56 44 18.9 ° ' "
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 3
ACK MPCReport file updated 2025.12.29 21:23:35
NET ATLAS2
AC2 jean-francois.soulier2@wanadoo.fr
    CK25W020 KC2025 12 29.74072 19 14 57.78 +56 44 18.9          19.9 r      L27
    CK25W020 KC2025 12 29.75577 19 15 01.51 +56 43 44.5          19.8 r      L27
    CK25W020 KC2025 12 29.77223 19 15 05.50 +56 43 06.4          19.8 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 details50 x 30s
Observatory MPC codeL27
LocationDauban
Reference stars catalogATLAS2
Used softwaresTycho
Resulting picture sampling (scale)1.5 "/pix
Observation submission date2025 Dec 29 21h40m56s
Observation modification date2025 Dec 30 09h45m50s

(Record n° 30760)

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