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2026-09-23 / UCAC4 468-000463 / (16976) 1999 AC2

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Henk de Groot O- VID M350 NL GPS 01:48:23 :: :: 01:50:26
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):
JPL71 : 485cdc00-d9b1-11f1-43f3-e3a0bfabf853 [db: observed]

Using prediction 485cdc00-d9b1-11f1-43f3-e3a0bfabf853 for map and profile fit

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Event Details
 Occultation UUID [and DB] : 485cdc00-d9b1-11f1-43f3-e3a0bfabf853 [observed]

 Occultation Date + Time   : 2026-09-23 at 01:54:49 UT +/- 0.0 min  [1]
 Object Designation        : (16976) 1999 AC2
 Orbit Class               : MBA
 Star Designation          : GDR3 2548809553963285376
 Star Coordinates (ICRF)   : RA = 00 20 32.5360, DE = +03 30 17.890  [2]
 Star Magnitudes           : G = 13.34 mag, RP = 12.87 mag, BP = 13.65 mag
 Object Magnitude          : V = 17.25 mag
 Estimated Magnitude Drop  : 3.9 mag
 Estimated Max. Duration   : 0.5 sec
 Object Mean Diameter      : 5.3 km  (src: astorb)
 Speed of the shadow       : 11.9 km/s
 Elongation to Moon & Sun  : 50° (sunlit = 86%), Sun = 174°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.15 path-width (1-sig)
 RUWE and duplicate source : 1.03 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL71
 Note                      : FP:true

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

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