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Stellar Occultation by (337451) 2001 RS85 on 2023-10-19 (02:53:32 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] : 6d6a32d3-f0e1-4387-b3b9-d202c9f740e7 [observed]

 Occultation Date + Time   : 2023-10-19 at 02:53:32 UT +/- 1.4 min  [1]
 Object Designation        : (337451) 2001 RS85
 Star Designation          : GDR3 0187872594064740352
 Star Coordinates (ICRF)   : RA = 05 16 39.9580, DE = +39 02 38.823  [2]
 Star Magnitudes           : G = 10.38 mag, RP = 10.01 mag, BP = 10.6 mag
 Object Magnitude          : V = 20.21 mag
 Estimated Magnitude Drop  : 9.8 mag
 Estimated Max. Duration   : 0.4 sec
 Object Mean Diameter      : 2.5 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 7.2 km/s
 Elongation to Moon & Sun  : 168° (sunlit = 19%), Sun = 123°
 Cross-track uncertainty   : 28.3 mas = 40 km = 16.12 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 1  (0:false, 1:true)

 Ephemeris Reference       : JPL#16

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


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