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Stellar Occultation by (1161) Thessalia on 2023-07-08 (21:42:33 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] : d229e1d0-ddb3-11f0-547e-b10ecadf565b [observed]

 Occultation Date + Time   : 2023-07-08 at 21:42:33 UT +/- 0.03 min  [1]
 Object Designation        : (1161) Thessalia
 Star Designation          : GDR3 6310346206767189760
 Star Coordinates (ICRF)   : RA = 14 56 06.0570, DE = -14 20 11.992  [2]
 Star Magnitudes           : G = 14.0 mag, RP = 13.36 mag, BP = 14.47 mag
 Object Magnitude          : V = 17.09 mag
 Estimated Magnitude Drop  : 3.2 mag
 Estimated Max. Duration   : 9.0 sec
 Speed of the shadow       : 3.4 km/s
 Object Mean Diameter      : 30.4 km  (src: astorb) => apparent = 15 mas
 Apparent Motion           : 0.1000 arcs/min @ PA = 193 deg
 Horizontal Parallax       : 3.1820 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 136° (sunlit = 63%), Sun = 119°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.13 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#82
 Note                      : FP:true

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


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