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Stellar Occultation by (21252) 1995 YP8 on 2026-09-28 (01:43:52 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] : 91398cb0-d9b2-11f1-43f3-85aefd2f18ff [observed]

 Occultation Date + Time   : 2026-09-28 at 01:43:52 UT +/- 0.0 min  [1]
 Object Designation        : (21252) 1995 YP8
 Star Designation          : GDR3 0316028920615661312
 Star Coordinates (ICRF)   : RA = 01 37 38.0445, DE = +32 36 51.201  [2]
 Star Magnitudes           : G = 11.44 mag, RP = 11.0 mag, BP = 11.71 mag
 Object Magnitude          : V = 18.16 mag
 Estimated Magnitude Drop  : 6.7 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 9.3 km/s
 Object Mean Diameter      : 5.4 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.4267 arcs/min @ PA = 238 deg
 Horizontal Parallax       : 4.8820 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 21° (sunlit = 98%), Sun = 144°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.10 path-width (1-sig)
 RUWE and duplicate source : 1.34 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL50
 Note                      : FP:true

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


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