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Stellar Occultation by (36882) 2000 SW155 on 2025-08-29 (22:57:31 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] : 59e07000-ddb7-11f0-547e-940172ff8756 [observed]

 Occultation Date + Time   : 2025-08-29 at 22:57:31 UT +/- 0.02 min  [1]
 Object Designation        : (36882) 2000 SW155
 Star Designation          : GDR3 4227288133359092224
 Star Coordinates (ICRF)   : RA = 20 53 05.9743, DE = -00 33 59.413  [2]
 Star Magnitudes           : G = 11.22 mag, RP = 10.56 mag, BP = 11.73 mag
 Object Magnitude          : V = 18.37 mag
 Estimated Magnitude Drop  : 7.1 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 10.9 km/s
 Object Mean Diameter      : 5.2 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.4717 arcs/min @ PA = 227 deg
 Horizontal Parallax       : 4.6090 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 85° (sunlit = 38%), Sun = 153°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.27 path-width (1-sig)
 RUWE and duplicate source : 1.34 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#54
 Note                      : FP:true

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


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