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Stellar Occultation by (4621) Tambov on 2023-08-22 (21:45:48 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] : f4f6e0f0-ddb3-11f0-547e-b5cc7eff584d [observed]

 Occultation Date + Time   : 2023-08-22 at 21:45:48 UT +/- 0.0 min  [1]
 Object Designation        : (4621) Tambov
 Star Designation          : GDR3 6899825279823495680
 Star Coordinates (ICRF)   : RA = 20 35 15.5780, DE = -13 25 01.538  [2]
 Star Magnitudes           : G = 13.98 mag, RP = 13.46 mag, BP = 14.34 mag
 Object Magnitude          : V = 15.63 mag
 Estimated Magnitude Drop  : 1.9 mag
 Estimated Max. Duration   : 1.5 sec
 Speed of the shadow       : 4.1 km/s
 Object Mean Diameter      : 6.2 km  (src: astorb) => apparent = 9 mas
 Apparent Motion           : 0.3617 arcs/min @ PA = 236 deg
 Horizontal Parallax       : 9.4770 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 86° (sunlit = 35%), Sun = 158°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#62
 Note                      : FP:true

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


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