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Stellar Occultation by (739) Mandeville on 2026-05-23 (21:48:31 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] : 77fac2a0-33d1-11f1-6999-4fdb5af65fa9 [asteroids]

 Occultation Date + Time   : 2026-05-23 at 21:48:31 UT +/- 0.0 min  [1]
 Object Designation        : (739) Mandeville
 Star Designation          : GDR3 0689350329843432320
 Star Coordinates (ICRF)   : RA = 08 45 13.6667, DE = +22 53 45.531  [2]
 Star Magnitudes           : G = 13.46 mag, RP = 12.99 mag, BP = 13.75 mag
 Object Magnitude          : V = 13.92 mag
 Estimated Magnitude Drop  : 1.0 mag
 Estimated Max. Duration   : 3.6 sec
 Speed of the shadow       : 29.5 km/s
 Object Mean Diameter      : 107.4 km  (src: astorb) => apparent = 56 mas
 Apparent Motion           : 0.9283 arcs/min @ PA = 95 deg
 Horizontal Parallax       : 3.3460 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 31° (sunlit = 55%), Sun = 65°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.93 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#92
 Note                      : FP:true

 Object is a <Gaia mass determination> target !

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


More Data and Informations
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