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2023-12-23 / UCAC4 439-002520 / (33305) 1998 KQ50

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Andrea Manna O- VID M200 CH GPS 21:05:23 21:08:26
2 show Stefano Sposetti O- VID M420 CH GPS 21:04:30 21:09:30
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#41 : c9e3c676-d9dc-4f9c-a99a-20a8b153f232 [db: observed]

Using prediction c9e3c676-d9dc-4f9c-a99a-20a8b153f232 for map and profile fit

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Event Details
 Occultation UUID [and DB] : c9e3c676-d9dc-4f9c-a99a-20a8b153f232 [observed]

 Occultation Date + Time   : 2023-12-23 at 20:43:36 UT +/- 0.27 min  [1]
 Object Designation        : (33305) 1998 KQ50
 Orbit Class               : MBA
 Star Designation          : GDR3 2506255189792185728
 Star Coordinates (ICRF)   : RA = 02 03 36.8449, DE = -02 16 18.184  [2]
 Star Magnitudes           : G = 13.71 mag, RP = 13.26 mag, BP = 14.0 mag
 Object Magnitude          : V = 19.05 mag
 Estimated Magnitude Drop  : 5.3 mag
 Estimated Max. Duration   : 1.7 sec
 Object Mean Diameter      : 6 km  (src: astorb)
 Speed of the shadow       : 3.6 km/s
 Elongation to Moon & Sun  : 30° (sunlit = 89%), Sun = 115°
 Cross-track uncertainty   : 2.7 mas = 4 km = 0.79 path-width (1-sig)
 RUWE and duplicate source : 1.08 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#41

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

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