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2025-04-09 / UCAC4 402-053946 / (9223) Leifandersson

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Karl-Ludwig Bath O+ VID T180 DE GPS 01:39:11 01:40:17.22 01:40:17.88 01:41:10 0.05 0.05 0.66 6.2
2 show Stefan Meister O- VID M200 CH GPS 01:39:47 01:40:32
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#56 : 6d011820-ddb6-11f0-547e-a94dfa6c26c3 [db: observed]

Using prediction 6d011820-ddb6-11f0-547e-a94dfa6c26c3 for map and profile fit

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Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : 6d011820-ddb6-11f0-547e-a94dfa6c26c3 [observed]

 Occultation Date + Time   : 2025-04-09 at 01:39:46 UT +/- 0.0 min  [1]
 Object Designation        : (9223) Leifandersson
 Orbit Class               : MBA
 Star Designation          : GDR3 3626720412522264192
 Star Coordinates (ICRF)   : RA = 12 54 18.2259, DE = -09 37 37.640  [2]
 Star Magnitudes           : G = 12.24 mag, RP = 11.68 mag, BP = 12.65 mag
 Object Magnitude          : V = 15.98 mag
 Estimated Magnitude Drop  : 3.8 mag
 Estimated Max. Duration   : 0.7 sec
 Object Mean Diameter      : 6.5 km  (src: astorb)
 Speed of the shadow       : 9.4 km/s
 Elongation to Moon & Sun  : 40° (sunlit = 86%), Sun = 175°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.09 path-width (1-sig)
 RUWE and duplicate source : 1.05 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#56
 Note                      : FP:true

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

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