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Stellar Occultation by (381) Myrrha on 2026-01-22 (19:00:14 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] : 9c7430e0-de6c-11f0-4858-fa8dc7ffb154 [asteroids]

 Occultation Date + Time   : 2026-01-22 at 19:00:14 UT +/- 0.01 min  [1]
 Object Designation        : (381) Myrrha
 Star Designation          : GDR3 0663437795715989760
 Star Coordinates (ICRF)   : RA = 08 17 45.1465, DE = +18 55 23.642  [2]
 Star Magnitudes           : G = 14.39 mag, RP = 13.77 mag, BP = 14.66 mag
 Object Magnitude          : V = 13.14 mag
 Estimated Magnitude Drop  : 0.3 mag
 Estimated Max. Duration   : 7.7 sec
 Speed of the shadow       : 15.6 km/s
 Object Mean Diameter      : 120.6 km  (src: astorb) => apparent = 67 mas
 Apparent Motion           : 0.5200 arcs/min @ PA = 295 deg
 Horizontal Parallax       : 3.5300 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 133° (sunlit = 16%), Sun = 179°
 Cross-track uncertainty   : 1.5 mas = 2 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 8.84 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#85
 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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