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Stellar Occultation by (66633) 1999 RB212 on 2026-08-27 (23:21:36 UT)

CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.


Event Details
 Occultation UUID [and db] : bfc40eb0-d9ae-11f1-43f3-866bfbf55613 [observed]

 Occultation Date + Time   : 2026-08-27 at 23:21:36 UT +/- 0.0 min  [1]
 Object Designation        : (66633) 1999 RB212
 Star Designation          : GDR3 0172018976420315520
 Star Coordinates (ICRF)   : RA = 04 34 28.0894, DE = +32 35 27.958  [2]
 Star Magnitudes           : G = 11.84 mag, RP = 11.03 mag, BP = 12.54 mag
 Object Magnitude          : V = 20.12 mag
 Estimated Magnitude Drop  : 8.3 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 17.8 km/s
 Object Mean Diameter      : 5.1 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4667 arcs/min @ PA = 65 deg
 Horizontal Parallax       : 2.7840 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 99° (sunlit = 100%), Sun = 83°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.18 path-width (1-sig)
 RUWE and duplicate source : 0.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL56
 Note                      : FP:true

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


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