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Stellar Occultation by (202) Chryseis on 2024-08-25 (05:36:59 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] : 6897e710-ddb5-11f0-547e-67557fbf0a7c [observed]

 Occultation Date + Time   : 2024-08-25 at 05:36:59 UT +/- 0.01 min  [1]
 Object Designation        : (202) Chryseis
 Star Designation          : GDR3 6839861244242065792
 Star Coordinates (ICRF)   : RA = 21 49 53.1240, DE = -15 27 59.871  [2]
 Star Magnitudes           : G = 11.86 mag, RP = 11.4 mag, BP = 12.14 mag
 Object Magnitude          : V = 12.47 mag
 Estimated Magnitude Drop  : 1.1 mag
 Estimated Max. Duration   : 6.1 sec
 Speed of the shadow       : 14.2 km/s
 Object Mean Diameter      : 86.2 km  (src: astorb) => apparent = 50 mas
 Apparent Motion           : 0.4933 arcs/min @ PA = 242 deg
 Horizontal Parallax       : 3.6960 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 83° (sunlit = 63%), Sun = 172°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 0.9 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#118
 Note                      : FP:true

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


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