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Stellar Occultation by (38435) 1999 RA241 on 2025-09-06 (21:07:13 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] : 65504b40-ddb7-11f0-547e-ea37378ded1a [observed]

 Occultation Date + Time   : 2025-09-06 at 21:07:13 UT +/- 0.01 min  [1]
 Object Designation        : (38435) 1999 RA241
 Star Designation          : GDR3 2404930275554610048
 Star Coordinates (ICRF)   : RA = 23 14 45.9281, DE = -19 13 27.611  [2]
 Star Magnitudes           : G = 12.25 mag, RP = 11.81 mag, BP = 12.52 mag
 Object Magnitude          : V = 17.95 mag
 Estimated Magnitude Drop  : 5.7 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 13.5 km/s
 Object Mean Diameter      : 6.2 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.5683 arcs/min @ PA = 227 deg
 Horizontal Parallax       : 4.4860 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 15° (sunlit = 99%), Sun = 167°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.07 path-width (1-sig)
 RUWE and duplicate source : 1.19 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#52
 Note                      : FP:true

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


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