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2025-09-16 / UCAC4 509-001175 / (264863) 2002 RN143

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Zdenek Sikac O+ VID T150 CZ NTP 19:52:21 19:53:17.82 19:53:18.10 19:54:22 0.050 0.020 0.28 3.1
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: sodis

Available (probably) matching predictions (click on the link to switch):
JPL#31 : 707cdbf0-ddb7-11f0-547e-fe17efdfe375 [db: observed]

Using prediction 707cdbf0-ddb7-11f0-547e-fe17efdfe375 for map and profile fit

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Event Details
 Occultation UUID [and DB] : 707cdbf0-ddb7-11f0-547e-fe17efdfe375 [observed]

 Occultation Date + Time   : 2025-09-16 at 19:50:04 UT +/- 0.08 min  [1]
 Object Designation        : (264863) 2002 RN143
 Orbit Class               : MBA
 Star Designation          : GDR3 2775081659614756992
 Star Coordinates (ICRF)   : RA = 00 47 24.5933, DE = +11 40 00.614  [2]
 Star Magnitudes           : G = 12.91 mag, RP = 12.25 mag, BP = 13.41 mag
 Object Magnitude          : V = 20.18 mag
 Estimated Magnitude Drop  : 7.3 mag
 Estimated Max. Duration   : 0.3 sec
 Object Mean Diameter      : 2.7 km  (src: astorb)
 Speed of the shadow       : 11.0 km/s
 Elongation to Moon & Sun  : 99° (sunlit = 25%), Sun = 158°
 Cross-track uncertainty   : 22.3 mas = 34 km = 12.76 path-width (1-sig)
 RUWE and duplicate source : 1.4 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#31
 Note                      : FP:true

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

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