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Stellar Occultation by (51142) 2000 HR47 on 2025-11-04 (20:40:45 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] : ab11d940-ddb8-11f0-547e-02877fbde9ac [observed]

 Occultation Date + Time   : 2025-11-04 at 20:40:45 UT +/- 0.02 min  [1]
 Object Designation        : (51142) 2000 HR47
 Star Designation          : GDR3 0047338721516036864
 Star Coordinates (ICRF)   : RA = 04 20 43.5022, DE = +17 37 47.788  [2]
 Star Magnitudes           : G = 14.01 mag, RP = 13.23 mag, BP = 14.64 mag
 Object Magnitude          : V = 18.54 mag
 Estimated Magnitude Drop  : 4.6 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 8.9 km/s
 Object Mean Diameter      : 3.8 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.4500 arcs/min @ PA = 247 deg
 Horizontal Parallax       : 5.3820 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 34° (sunlit = 99%), Sun = 156°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.22 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#48
 Note                      : FP:true

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


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