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2025-09-05 / UCAC4 576-003725 / (275968) 2001 WG40

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Andreas Schweizer O- VID M250 CH GPS 22:54:46 :: :: 22:55:46
2 show Stefan Meister O- VID M200 CH GPS 22:55:01 :: :: 22:55:46
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

2 observations found in db: sodis

Available (probably) matching predictions (click on the link to switch):
JPL#42 : 6374d480-ddb7-11f0-547e-429ffffb619b [db: observed]

Using prediction 6374d480-ddb7-11f0-547e-429ffffb619b for map and profile fit

Get observations as KML file (reduced site location resolution)


Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : 6374d480-ddb7-11f0-547e-429ffffb619b [observed]

 Occultation Date + Time   : 2025-09-05 at 23:05:33 UT +/- 0.1 min  [1]
 Object Designation        : (275968) 2001 WG40
 Orbit Class               : MBA
 Star Designation          : GDR3 0291500186293787008
 Star Coordinates (ICRF)   : RA = 01 46 31.9722, DE = +25 10 07.705  [2]
 Star Magnitudes           : G = 13.54 mag, RP = 12.89 mag, BP = 14.04 mag
 Object Magnitude          : V = 19.19 mag
 Estimated Magnitude Drop  : 5.7 mag
 Estimated Max. Duration   : 0.6 sec
 Object Mean Diameter      : 1.90 km  (src: astorb)
 Speed of the shadow       : 3.2 km/s
 Elongation to Moon & Sun  : 75° (sunlit = 96%), Sun = 129°
 Cross-track uncertainty   : 19.3 mas = 16 km = 8.66 path-width (1-sig)
 RUWE and duplicate source : 1.03 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#42
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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