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Stellar Occultation by (63380) 2001 HE51 on 2025-10-02 (22:49:05 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] : 810c6700-ddb8-11f0-547e-e403779bc3b5 [observed]

 Occultation Date + Time   : 2025-10-02 at 22:49:05 UT +/- 0.06 min  [1]
 Object Designation        : (63380) 2001 HE51
 Star Designation          : GDR3 2618154579799540352
 Star Coordinates (ICRF)   : RA = 21 51 02.9905, DE = -09 14 35.267  [2]
 Star Magnitudes           : G = 10.97 mag, RP = 10.29 mag, BP = 11.5 mag
 Object Magnitude          : V = 19.4 mag
 Estimated Magnitude Drop  : 8.4 mag
 Estimated Max. Duration   : 1.2 sec
 Speed of the shadow       : 1.9 km/s
 Object Mean Diameter      : 2.3 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.1050 arcs/min @ PA = 266 deg
 Horizontal Parallax       : 6.0410 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 14° (sunlit = 78%), Sun = 137°
 Cross-track uncertainty   : 2.7 mas = 2 km = 1.24 path-width (1-sig)
 RUWE and duplicate source : 1.26 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#40
 Note                      : FP:true

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


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