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Stellar Occultation by (27619) Ethanmessier on 2025-12-08 (03:33:52 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] : d0689080-ddb8-11f0-547e-6e43abaf805e [observed]

 Occultation Date + Time   : 2025-12-08 at 03:33:52 UT +/- 0.01 min  [1]
 Object Designation        : (27619) Ethanmessier
 Star Designation          : GDR3 3345885901334092160
 Star Coordinates (ICRF)   : RA = 06 14 03.9535, DE = +16 06 24.302  [2]
 Star Magnitudes           : G = 9.81 mag, RP = 8.92 mag, BP = 10.65 mag
 Object Magnitude          : V = 19.2 mag
 Estimated Magnitude Drop  : 9.4 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 12.7 km/s
 Object Mean Diameter      : 3.1 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.5833 arcs/min @ PA = 270 deg
 Horizontal Parallax       : 4.8670 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 29° (sunlit = 86%), Sun = 161°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.30 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#52
 Note                      : FP:true

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


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