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Stellar Occultation by (5222) Ioffe on 2025-08-21 (20:27:34 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] : bd8a9de0-8a36-11ef-78cd-b5caeffdbe78 [asteroids]

 Occultation Date + Time   : 2025-08-21 at 20:27:34 UT +/- 0.0 min  [1]
 Object Designation        : (5222) Ioffe
 Star Designation          : GDR3 1861601248887159936
 Star Coordinates (ICRF)   : RA = 20 21 39.9155, DE = +30 51 31.503  [2]
 Star Magnitudes           : G = 12.53 mag, RP = 12.02 mag, BP = 12.87 mag
 Object Magnitude          : V = 16.54 mag
 Estimated Magnitude Drop  : 4.0 mag
 Estimated Max. Duration   : 1.6 sec
 Object Mean Diameter      : 22.0 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 13.7 km/s
 Elongation to Moon & Sun  : 128° (sunlit = 2%), Sun = 131°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 0.86 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#60

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


More Data and Informations
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