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Stellar Occultation by (30986) 1995 SC28 on 2023-08-22 (21:47:33 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] : f546fcc0-ddb3-11f0-547e-0a89fdbac54f [observed]

 Occultation Date + Time   : 2023-08-22 at 21:47:33 UT +/- 0.0 min  [1]
 Object Designation        : (30986) 1995 SC28
 Star Designation          : GDR3 2764007687738492672
 Star Coordinates (ICRF)   : RA = 23 44 48.9806, DE = +12 45 34.596  [2]
 Star Magnitudes           : G = 13.12 mag, RP = 11.97 mag, BP = 14.49 mag
 Object Magnitude          : V = 17.69 mag
 Estimated Magnitude Drop  : 4.6 mag
 Estimated Max. Duration   : 0.9 sec
 Speed of the shadow       : 6.3 km/s
 Object Mean Diameter      : 5.8 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.3183 arcs/min @ PA = 257 deg
 Horizontal Parallax       : 5.4070 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 139° (sunlit = 35%), Sun = 146°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 1.25 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL56
 Note                      : FP:true

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


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