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2023-09-17 / UCAC4 377-169702 / (83723) 2001 TN98

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Gregor Krannich O- VID M350 DE GPS 20:52:25 20:54:25
2 show Zdenek Sikac O- VID T150 CZ NTP 20:51:01 20:55:00
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#36 : 3ab7f46a-4c3d-468d-849e-568e8b497514 [db: observed]

Using prediction 3ab7f46a-4c3d-468d-849e-568e8b497514 for map and profile fit

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Event Details
 Occultation UUID [and DB] : 3ab7f46a-4c3d-468d-849e-568e8b497514 [observed]

 Occultation Date + Time   : 2023-09-17 at 20:58:38 UT +/- 0.1 min  [1]
 Object Designation        : (83723) 2001 TN98
 Orbit Class               : MBA
 Star Designation          : GDR3 6842411836340458624
 Star Coordinates (ICRF)   : RA = 21 26 24.1976, DE = -14 42 07.168  [2]
 Star Magnitudes           : G = 12.31 mag, RP = 11.76 mag, BP = 12.69 mag
 Object Magnitude          : V = 19.76 mag
 Estimated Magnitude Drop  : 7.5 mag
 Estimated Max. Duration   : 0.5 sec
 Object Mean Diameter      : 4 km  (src: astorb)
 Speed of the shadow       : 7.0 km/s
 Elongation to Moon & Sun  : 113° (sunlit = 7%), Sun = 145°
 Cross-track uncertainty   : 9.0 mas = 14 km = 4.02 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#36

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

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