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2025-08-21 / UCAC4 410-104749 / (396744) 2003 SF87

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Deborah Smith O- VID M300 ES GPS 21:55:12 :: :: 21:59:12
2 show Deborah Smith O- VID M200 ES GPS 21:55:10 :: :: 21:59:10
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#26 : 4e305770-ddb7-11f0-547e-1d4a936fad26 [db: observed]

Using prediction 4e305770-ddb7-11f0-547e-1d4a936fad26 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] : 4e305770-ddb7-11f0-547e-1d4a936fad26 [observed]

 Occultation Date + Time   : 2025-08-21 at 22:05:47 UT +/- 0.87 min  [1]
 Object Designation        : (396744) 2003 SF87
 Orbit Class               : MBA
 Star Designation          : GDR3 4203996353986368512
 Star Coordinates (ICRF)   : RA = 18 56 18.1427, DE = -08 01 27.235  [2]
 Star Magnitudes           : G = 11.59 mag, RP = 10.59 mag, BP = 12.65 mag
 Object Magnitude          : V = 19.81 mag
 Estimated Magnitude Drop  : 8.2 mag
 Estimated Max. Duration   : 0.3 sec
 Object Mean Diameter      : 2.4 km  (src: astorb)
 Speed of the shadow       : 8.9 km/s
 Elongation to Moon & Sun  : 147° (sunlit = 2%), Sun = 133°
 Cross-track uncertainty   : 22.3 mas = 27 km = 11.58 path-width (1-sig)
 RUWE and duplicate source : 0.83 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#26
 Note                      : FP:true

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

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