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Stellar Occultation by (77849) 2001 RE5 on 2023-08-21 (01:08:21 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] : f5882470-ddb3-11f0-547e-0b57eb6b95dd [observed]

 Occultation Date + Time   : 2023-08-21 at 01:08:21 UT +/- 0.01 min  [1]
 Object Designation        : (77849) 2001 RE5
 Star Designation          : GDR3 0103203700436752256
 Star Coordinates (ICRF)   : RA = 02 30 21.9953, DE = +25 52 24.225  [2]
 Star Magnitudes           : G = 11.64 mag, RP = 11.18 mag, BP = 11.93 mag
 Object Magnitude          : V = 19.85 mag
 Estimated Magnitude Drop  : 8.2 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 9.7 km/s
 Object Mean Diameter      : 5.2 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.2800 arcs/min @ PA = 37 deg
 Horizontal Parallax       : 3.0810 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 153° (sunlit = 19%), Sun = 104°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.12 path-width (1-sig)
 RUWE and duplicate source : 1.05 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#40
 Note                      : FP:true

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


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