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Stellar Occultation by (86202) 1999 TT1 on 2022-12-08 (19:31:55 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] : 3785de90-ddb3-11f0-547e-07d98d2d1eca [observed]

 Occultation Date + Time   : 2022-12-08 at 19:31:55 UT +/- 0.01 min  [1]
 Object Designation        : (86202) 1999 TT1
 Star Designation          : GDR3 0943752753297261440
 Star Coordinates (ICRF)   : RA = 06 48 14.2709, DE = +37 18 11.355  [2]
 Star Magnitudes           : G = 12.44 mag, RP = 11.46 mag, BP = 13.41 mag
 Object Magnitude          : V = 19.14 mag
 Estimated Magnitude Drop  : 6.7 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 13.0 km/s
 Object Mean Diameter      : 5.1 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.4550 arcs/min @ PA = 288 deg
 Horizontal Parallax       : 3.7160 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 19° (sunlit = 100%), Sun = 153°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.24 path-width (1-sig)
 RUWE and duplicate source : 1.29 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL42
 Note                      : FP:true

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


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