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Stellar Occultation by (241872) 2001 UR27 on 2024-10-16 (01:58:27 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] : 863a6b80-ddb5-11f0-547e-3c366f5d42ce [observed]

 Occultation Date + Time   : 2024-10-16 at 01:58:27 UT +/- 0.17 min  [1]
 Object Designation        : (241872) 2001 UR27
 Star Designation          : GDR3 3377424812560470656
 Star Coordinates (ICRF)   : RA = 06 19 19.9918, DE = +22 54 12.203  [2]
 Star Magnitudes           : G = 12.85 mag, RP = 12.41 mag, BP = 13.13 mag
 Object Magnitude          : V = 19.62 mag
 Estimated Magnitude Drop  : 6.8 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 9.0 km/s
 Object Mean Diameter      : 3.7 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3500 arcs/min @ PA = 33 deg
 Horizontal Parallax       : 4.1290 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 91° (sunlit = 97%), Sun = 109°
 Cross-track uncertainty   : 24.3 mas = 37 km = 10.15 path-width (1-sig)
 RUWE and duplicate source : 0.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#34
 Note                      : FP:true

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


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