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Stellar Occultation by (87685) 2000 SR3 on 2023-12-27 (17:13:17 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] : 5728d170-ddb4-11f0-547e-d127b57302a8 [observed]

 Occultation Date + Time   : 2023-12-27 at 17:13:17 UT +/- 0.45 min  [1]
 Object Designation        : (87685) 2000 SR3
 Star Designation          : GDR3 2520405384750334592
 Star Coordinates (ICRF)   : RA = 02 18 56.0257, DE = +06 30 39.812  [2]
 Star Magnitudes           : G = 12.31 mag, RP = 11.77 mag, BP = 12.67 mag
 Object Magnitude          : V = 19.56 mag
 Estimated Magnitude Drop  : 7.3 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 6.4 km/s
 Object Mean Diameter      : 4.3 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.2267 arcs/min @ PA = 2 deg
 Horizontal Parallax       : 3.7720 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 70° (sunlit = 100%), Sun = 119°
 Cross-track uncertainty   : 2.3 mas = 3 km = 0.90 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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