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2025-10-14 / TYC 5258-01008-1 / (102930) 1999 XO40

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Ferran Casarramona O- VID M200 ES GPS 20:58:01 :: :: 21:00:01
2 show Deborah Smith O- VID M300 ES GPS 20:57:19 :: :: 21:01:19
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#40 : 912ea6c0-ddb8-11f0-547e-9e90673bedc7 [db: observed]

Using prediction 912ea6c0-ddb8-11f0-547e-9e90673bedc7 for map and profile fit

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Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : 912ea6c0-ddb8-11f0-547e-9e90673bedc7 [observed]

 Occultation Date + Time   : 2025-10-14 at 20:51:20 UT +/- 0.05 min  [1]
 Object Designation        : (102930) 1999 XO40
 Orbit Class               : MBA
 Star Designation          : GDR3 2445805685468825088
 Star Coordinates (ICRF)   : RA = 23 47 02.1292, DE = -05 45 14.188  [2]
 Star Magnitudes           : G = 11.39 mag, RP = 10.91 mag, BP = 11.71 mag
 Object Magnitude          : V = 18.34 mag
 Estimated Magnitude Drop  : 7.0 mag
 Estimated Max. Duration   : 0.5 sec
 Object Mean Diameter      : 2.0 km  (src: astorb)
 Speed of the shadow       : 4.2 km/s
 Elongation to Moon & Sun  : 131° (sunlit = 38%), Sun = 153°
 Cross-track uncertainty   : 9.3 mas = 6 km = 3.33 path-width (1-sig)
 RUWE and duplicate source : 0.91 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#40
 Note                      : FP:true

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

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