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Stellar Occultation by (191491) 2003 TF21 on 2024-07-13 (22:49:57 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] : 39b758f0-c34d-11ef-5276-bb76ddaf07af [observed]

 Occultation Date + Time   : 2024-07-13 at 22:49:57 UT +/- 0.13 min  [1]
 Object Designation        : (191491) 2003 TF21
 Star Designation          : GDR3 4145039711514559872
 Star Coordinates (ICRF)   : RA = 18 01 53.6711, DE = -16 27 14.437  [2]
 Star Magnitudes           : G = 12.43 mag, RP = 10.85 mag, BP = 16.51 mag
 Object Magnitude          : V = 19.15 mag
 Estimated Magnitude Drop  : 6.7 mag
 Estimated Max. Duration   : 0.4 sec
 Object Mean Diameter      : 3 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 8.6 km/s
 Elongation to Moon & Sun  : 69° (sunlit = 50%), Sun = 157°
 Cross-track uncertainty   : 26.0 mas = 32 km = 10.67 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#25

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


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