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2024-09-04 / UCAC4 505-002528 / (246553) 2008 SJ98

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Zdenek Sikac O- VID T150 CZ NTP 23:38:01 23:42:01
2 show Tomas Janik O- CCD T600 CZ GPS 23:38:36 23:41:36
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#21 : 3a2cabd0-c354-11ef-5276-c79ccbdf801c [db: observed]
JPL#21 : 06c53a40-c355-11ef-5276-fddaffdae8ac [db: observed]

Using prediction 3a2cabd0-c354-11ef-5276-c79ccbdf801c for map and profile fit

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Event Details
 Occultation UUID [and DB] : 3a2cabd0-c354-11ef-5276-c79ccbdf801c [observed]

 Occultation Date + Time   : 2024-09-04 at 23:31:46 UT +/- 0.12 min  [1]
 Object Designation        : (246553) 2008 SJ98
 Orbit Class               : MBA
 Star Designation          : GDR3 2573585536665608064
 Star Coordinates (ICRF)   : RA = 01 39 10.7710, DE = +10 52 08.989  [2]
 Star Magnitudes           : G = 12.88 mag, RP = 12.39 mag, BP = 13.2 mag
 Object Magnitude          : V = 20.82 mag
 Estimated Magnitude Drop  : 8.0 mag
 Estimated Max. Duration   : 0.4 sec
 Object Mean Diameter      : 2 km  (src: astorb)
 Speed of the shadow       : 5.6 km/s
 Elongation to Moon & Sun  : 157° (sunlit = 3%), Sun = 136°
 Cross-track uncertainty   : 22.0 mas = 33 km = 15.95 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#21

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

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