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2023-08-11 / UCAC4 339-168918 / (66054) 1998 QY88

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Daniel Antuszewicz O- VID M203 PL NTP 22:27:46 22:29:44
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#43 : b5124b85-6662-4fef-b456-d54be2435439 [db: observed]

Using prediction b5124b85-6662-4fef-b456-d54be2435439 for map and profile fit

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Event Details
 Occultation UUID [and DB] : b5124b85-6662-4fef-b456-d54be2435439 [observed]

 Occultation Date + Time   : 2023-08-11 at 22:29:23 UT +/- 0.09 min  [1]
 Object Designation        : (66054) 1998 QY88
 Orbit Class               : MBA
 Star Designation          : GDR3 4078705144224198016
 Star Coordinates (ICRF)   : RA = 18 50 51.8670, DE = -22 15 15.248  [2]
 Star Magnitudes           : G = 12.78 mag, RP = 11.95 mag, BP = 13.5 mag
 Object Magnitude          : V = 19.04 mag
 Estimated Magnitude Drop  : 6.3 mag
 Estimated Max. Duration   : 0.7 sec
 Object Mean Diameter      : 4 km  (src: astorb)
 Speed of the shadow       : 6.6 km/s
 Elongation to Moon & Sun  : 167° (sunlit = 17%), Sun = 143°
 Cross-track uncertainty   : 6.3 mas = 9 km = 2.12 path-width (1-sig)
 RUWE and duplicate source : 0.77 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#43

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

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