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Stellar Occultation by (3560) Chenqian on 2025-04-02 (20:07:53 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] : 553f0c10-8957-11ef-78cd-f9192fbebca9 [asteroids]

 Occultation Date + Time   : 2025-04-02 at 20:07:53 UT +/- 0.0 min  [1]
 Object Designation        : (3560) Chenqian
 Star Designation          : GDR3 3786149839067447424
 Star Coordinates (ICRF)   : RA = 11 29 20.7075, DE = -04 54 59.110  [2]
 Star Magnitudes           : G = 14.66 mag, RP = 14.14 mag, BP = 15.02 mag
 Object Magnitude          : V = 16.17 mag
 Estimated Magnitude Drop  : 1.8 mag
 Estimated Max. Duration   : 2.3 sec
 Object Mean Diameter      : 29.9 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 13.3 km/s
 Elongation to Moon & Sun  : 101° (sunlit = 26%), Sun = 160°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#57

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


More Data and Informations
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