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Stellar Occultation by (211730) 2003 YR101 on 2025-12-07 (23:48:15 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] : cfd10b70-ddb8-11f0-547e-18ced76f37b9 [observed]

 Occultation Date + Time   : 2025-12-07 at 23:48:15 UT +/- 0.02 min  [1]
 Object Designation        : (211730) 2003 YR101
 Star Designation          : GDR3 3120905348187093504
 Star Coordinates (ICRF)   : RA = 06 36 00.6147, DE = +01 52 41.541  [2]
 Star Magnitudes           : G = 12.0 mag, RP = 11.51 mag, BP = 12.32 mag
 Object Magnitude          : V = 18.72 mag
 Estimated Magnitude Drop  : 6.7 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 11.5 km/s
 Object Mean Diameter      : 3.8 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.5583 arcs/min @ PA = 301 deg
 Horizontal Parallax       : 5.1900 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 31° (sunlit = 87%), Sun = 149°
 Cross-track uncertainty   : 3.7 mas = 4 km = 1.20 path-width (1-sig)
 RUWE and duplicate source : 3.13 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#37
 Note                      : FP:true

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


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