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Stellar Occultation by (83723) 2001 TN98 on 2023-09-17 (20:58:45 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] : 0d774f20-ddb4-11f0-547e-bda6ad7de89f [observed]

 Occultation Date + Time   : 2023-09-17 at 20:58:45 UT +/- 0.06 min  [1]
 Object Designation        : (83723) 2001 TN98
 Star Designation          : GDR3 6842411836340458624
 Star Coordinates (ICRF)   : RA = 21 26 24.1962, DE = -14 42 07.168  [2]
 Star Magnitudes           : G = 12.31 mag, RP = 11.76 mag, BP = 12.69 mag
 Object Magnitude          : V = 19.76 mag
 Estimated Magnitude Drop  : 7.5 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 7.0 km/s
 Object Mean Diameter      : 3.6 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.2617 arcs/min @ PA = 246 deg
 Horizontal Parallax       : 3.9620 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 113° (sunlit = 7%), Sun = 145°
 Cross-track uncertainty   : 3.0 mas = 4 km = 1.34 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#45
 Note                      : FP:true

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


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