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Stellar Occultation by (83707) 2001 TQ77 on 2024-09-24 (19:31:32 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] : 74aded60-ddb5-11f0-547e-a3f69c5f8f5f [observed]

 Occultation Date + Time   : 2024-09-24 at 19:31:32 UT +/- 0.02 min  [1]
 Object Designation        : (83707) 2001 TQ77
 Star Designation          : GDR3 6848105214926226816
 Star Coordinates (ICRF)   : RA = 20 22 14.8910, DE = -25 45 41.350  [2]
 Star Magnitudes           : G = 12.36 mag, RP = 11.83 mag, BP = 12.73 mag
 Object Magnitude          : V = 18.7 mag
 Estimated Magnitude Drop  : 6.4 mag
 Estimated Max. Duration   : 1.1 sec
 Speed of the shadow       : 4.0 km/s
 Object Mean Diameter      : 4.6 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.1800 arcs/min @ PA = 70 deg
 Horizontal Parallax       : 4.7370 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 151° (sunlit = 50%), Sun = 119°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.09 path-width (1-sig)
 RUWE and duplicate source : 0.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL54
 Note                      : FP:true

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


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