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Stellar Occultation by (56978) 2000 SR173 on 2023-11-28 (20:54:11 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] : 41e0f900-ddb4-11f0-547e-17cb63cefd4c [observed]

 Occultation Date + Time   : 2023-11-28 at 20:54:11 UT +/- 0.01 min  [1]
 Object Designation        : (56978) 2000 SR173
 Star Designation          : GDR3 0033767204680110848
 Star Coordinates (ICRF)   : RA = 02 47 54.2256, DE = +16 42 44.706  [2]
 Star Magnitudes           : G = 10.8 mag, RP = 10.32 mag, BP = 11.12 mag
 Object Magnitude          : V = 18.37 mag
 Estimated Magnitude Drop  : 7.6 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 14.6 km/s
 Object Mean Diameter      : 7.0 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.5117 arcs/min @ PA = 229 deg
 Horizontal Parallax       : 3.7310 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 40° (sunlit = 97%), Sun = 158°
 Cross-track uncertainty   : 0.8 mas = 1 km = 0.20 path-width (1-sig)
 RUWE and duplicate source : 4.02 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL49
 Note                      : FP:true

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


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