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2023-09-25 / TYC 0097-00585-1 / (35891) 1999 JS81

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Zdenek Sikac O+ VID T150 CZ NTP 23:36:01 23:38:07.45 23:38:08.11 23:40:01 0.03 0.03 0.66 6.7
2 show Roland BONINSEGNA O- VID M400 BE GPS 23:37:19 23:39:13
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#55 : 19727a70-ddb4-11f0-547e-9faad47f3c33 [db: observed]

Using prediction 19727a70-ddb4-11f0-547e-9faad47f3c33 for map and profile fit

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Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : 19727a70-ddb4-11f0-547e-9faad47f3c33 [observed]

 Occultation Date + Time   : 2023-09-25 at 23:46:34 UT +/- 0.0 min  [1]
 Object Designation        : (35891) 1999 JS81
 Orbit Class               : MBA
 Star Designation          : GDR3 3288325372405614208
 Star Coordinates (ICRF)   : RA = 04 58 39.3243, DE = +06 59 50.483  [2]
 Star Magnitudes           : G = 7.89 mag, RP = 6.68 mag, BP = 9.38 mag
 Object Magnitude          : V = 17.98 mag
 Estimated Magnitude Drop  : 10.1 mag
 Estimated Max. Duration   : 0.5 sec
 Object Mean Diameter      : 4.6 km  (src: astorb)
 Speed of the shadow       : 10.1 km/s
 Elongation to Moon & Sun  : 117° (sunlit = 84%), Sun = 108°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.07 path-width (1-sig)
 RUWE and duplicate source : 1.02 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#55
 Note                      : FP:true

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

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