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2022-10-19 / 4UC 406-140041 / (285321) 1999 CT57

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Serge Dramonis O+ CCD M406 GR GPS+ 20:54:00 20:54:23.96 20:54:24.34 20:56:00 0.04 0.05 0.38 2.9
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: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#29 : 330c3c2f-4ad5-49c3-a07b-f37db3c09875 [db: observed]

Using prediction 330c3c2f-4ad5-49c3-a07b-f37db3c09875 for map and profile fit

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Event Details
 Occultation UUID [and DB] : 330c3c2f-4ad5-49c3-a07b-f37db3c09875 [observed]

 Occultation Date + Time   : 2022-10-19 at 20:59:34 UT +/- 0.07 min  [1]
 Object Designation        : (285321) 1999 CT57
 Orbit Class               : MBA
 Star Designation          : GDR3 2621237472964668928
 Star Coordinates (ICRF)   : RA = 22 32 49.6067, DE = -08 53 12.164  [2]
 Star Magnitudes           : G = 12.76 mag, RP = 12.29 mag, BP = 13.07 mag
 Object Magnitude          : V = 21.97 mag
 Estimated Magnitude Drop  : 9.2 mag
 Estimated Max. Duration   : 0.3 sec
 Object Mean Diameter      : 3 km  (src: astorb)
 Speed of the shadow       : 7.5 km/s
 Elongation to Moon & Sun  : 163° (sunlit = 30%), Sun = 130°
 Cross-track uncertainty   : 10.3 mas = 24 km = 9.75 path-width (1-sig)
 RUWE and duplicate source : 3.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#29

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

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