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2023-08-20 / UCAC4 450-137532 / (30598) 2001 QA117

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Simon Kidd O- VID M350 GB GPS 01:27:46 01:29:46
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

1 observation found in db: sodis

Available (probably) matching predictions (click on the link to switch):
JPL#60 : f189cdb0-ddb3-11f0-547e-4837afba361e [db: observed]

Using prediction f189cdb0-ddb3-11f0-547e-4837afba361e for map and profile fit

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Event Details
 Occultation UUID [and DB] : f189cdb0-ddb3-11f0-547e-4837afba361e [observed]

 Occultation Date + Time   : 2023-08-20 at 01:27:42 UT +/- 0.0 min  [1]
 Object Designation        : (30598) 2001 QA117
 Orbit Class               : MBA
 Star Designation          : GDR3 2644172877498904448
 Star Coordinates (ICRF)   : RA = 23 25 49.5173, DE = -00 08 40.762  [2]
 Star Magnitudes           : G = 12.99 mag, RP = 12.52 mag, BP = 13.29 mag
 Object Magnitude          : V = 17.02 mag
 Estimated Magnitude Drop  : 4.1 mag
 Estimated Max. Duration   : 0.7 sec
 Object Mean Diameter      : 6.8 km  (src: astorb)
 Speed of the shadow       : 9.5 km/s
 Elongation to Moon & Sun  : 165° (sunlit = 12%), Sun = 155°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.11 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#60
 Note                      : FP:true

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

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