C/2025 W2 (ATLAS) (Record n° 30617)
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 deviation 0.2 Aperture radius used for m2 6.75 " r (dist/Sun) 1.456 AU d (dist/Earth) 0.938 AU Right ascension 13 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 type Newton Instrument aperture (0=naked eye) 250 mm Instrument focale length 875 mm Instrument focale/diameter 3.5 Filter(s) None Camera ATIK 414 EX Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount PARAMOUNT ME Autoguide No Exposure details 273 x 20s Observatory MPC code L27 Location Dauban Reference stars catalog ATLAS2
Used softwares Tycho Resulting picture sampling (scale) 1.5 "/pix Observation submission date 2025 Dec 13 08h17m07s Observation modification date 2025 Dec 13 08h18m44s