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Stellar Occultation by (768) Struveana on 2025-09-29 (21:40:40 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] : 7a5d9640-ddb8-11f0-547e-79bfff341a52 [observed]

 Occultation Date + Time   : 2025-09-29 at 21:40:40 UT +/- 0.0 min  [1]
 Object Designation        : (768) Struveana
 Star Designation          : GDR3 0938532031571561344
 Star Coordinates (ICRF)   : RA = 06 42 34.3703, DE = +33 34 43.851  [2]
 Star Magnitudes           : G = 11.87 mag, RP = 11.18 mag, BP = 12.41 mag
 Object Magnitude          : V = 15.16 mag
 Estimated Magnitude Drop  : 3.3 mag
 Estimated Max. Duration   : 1.5 sec
 Speed of the shadow       : 20.8 km/s
 Object Mean Diameter      : 30.9 km  (src: astorb) => apparent = 18 mas
 Apparent Motion           : 0.7417 arcs/min @ PA = 70 deg
 Horizontal Parallax       : 3.7890 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 174° (sunlit = 49%), Sun = 88°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.54 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#79
 Note                      : FP:true

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


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