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Stellar Occultation by (1427) Ruvuma on 2025-08-24 (01:49:08 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] : 50fbfa90-ddb7-11f0-547e-045bfbbf8a92 [observed]

 Occultation Date + Time   : 2025-08-24 at 01:49:08 UT +/- 0.0 min  [1]
 Object Designation        : (1427) Ruvuma
 Star Designation          : GDR3 3413776865995937408
 Star Coordinates (ICRF)   : RA = 05 17 26.1326, DE = +20 10 22.330  [2]
 Star Magnitudes           : G = 14.86 mag, RP = 14.07 mag, BP = 15.52 mag
 Object Magnitude          : V = 16.92 mag
 Estimated Magnitude Drop  : 2.2 mag
 Estimated Max. Duration   : 1.5 sec
 Speed of the shadow       : 24.4 km/s
 Object Mean Diameter      : 37.6 km  (src: astorb) => apparent = 18 mas
 Apparent Motion           : 0.7033 arcs/min @ PA = 82 deg
 Horizontal Parallax       : 3.0570 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 81° (sunlit = 1%), Sun = 71°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#79
 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


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