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Stellar Occultation by (13) Egeria on 2024-12-13 (18:34:17 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] : b0eb3d90-84f7-11ef-78cd-53e97a6d05b3 [asteroids]

 Occultation Date + Time   : 2024-12-13 at 18:34:17 UT +/- 0.01 min  [1]
 Object Designation        : (13) Egeria
 Star Designation          : GDR3 0176997805590240128
 Star Coordinates (ICRF)   : RA = 04 14 20.6841, DE = +35 39 41.341  [2]
 Star Magnitudes           : G = 11.15 mag, RP = 10.17 mag, BP = 12.12 mag
 Object Magnitude          : V = 10.23 mag
 Estimated Magnitude Drop  : 0.4 mag
 Estimated Max. Duration   : 18.7 sec
 Object Mean Diameter      : 208 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 11.1 km/s
 Elongation to Moon & Sun  : 12° (sunlit = 97%), Sun = 160°
 Cross-track uncertainty   : 3.3 mas = 3 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.58 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#121

 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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