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Stellar Occultation by (9023) Mnesthus on 2025-01-12 (18:39:51 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] : 9c7a1b90-8ad5-11ef-78cd-cdb0ffff50de [asteroids]

 Occultation Date + Time   : 2025-01-12 at 18:39:51 UT +/- 0.01 min  [1]
 Object Designation        : (9023) Mnesthus
 Star Designation          : GDR3 2433933231927620096
 Star Coordinates (ICRF)   : RA = 23 33 49.2835, DE = -11 10 17.183  [2]
 Star Magnitudes           : G = 11.93 mag, RP = 11.42 mag, BP = 12.28 mag
 Object Magnitude          : V = 18.04 mag
 Estimated Magnitude Drop  : 6.1 mag
 Estimated Max. Duration   : 1.1 sec
 Object Mean Diameter      : 30 km  (src: astorb)
 Orbital Class             : JTRO
 Speed of the shadow       : 28.9 km/s
 Elongation to Moon & Sun  : 109° (sunlit = 98%), Sun = 57°
 Cross-track uncertainty   : 0.3 mas = 1 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 0.91 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#54

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


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