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Stellar Occultation by (1189) Terentia on 2025-10-14 (19:16:19 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] : 90da6c40-ddb8-11f0-547e-4a9efffeb1a7 [observed]

 Occultation Date + Time   : 2025-10-14 at 19:16:19 UT +/- 0.01 min  [1]
 Object Designation        : (1189) Terentia
 Star Designation          : GDR3 6905313870071822848
 Star Coordinates (ICRF)   : RA = 20 23 46.9205, DE = -09 46 21.191  [2]
 Star Magnitudes           : G = 14.55 mag, RP = 14.05 mag, BP = 14.88 mag
 Object Magnitude          : V = 14.91 mag
 Estimated Magnitude Drop  : 1.0 mag
 Estimated Max. Duration   : 5.6 sec
 Speed of the shadow       : 10.0 km/s
 Object Mean Diameter      : 55.9 km  (src: astorb) => apparent = 34 mas
 Apparent Motion           : 0.3683 arcs/min @ PA = 85 deg
 Horizontal Parallax       : 3.9040 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 167° (sunlit = 39%), Sun = 104°
 Cross-track uncertainty   : 1.3 mas = 2 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 0.95 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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