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Stellar Occultation by (249482) 2009 TZ27 on 2025-11-11 (22:43:18 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] : b3b01df0-ddb8-11f0-547e-ba25e6f7e2fb [observed]

 Occultation Date + Time   : 2025-11-11 at 22:43:18 UT +/- 0.01 min  [1]
 Object Designation        : (249482) 2009 TZ27
 Star Designation          : GDR3 2502066909483758720
 Star Coordinates (ICRF)   : RA = 02 36 16.9598, DE = +00 57 18.957  [2]
 Star Magnitudes           : G = 13.65 mag, RP = 13.16 mag, BP = 13.98 mag
 Object Magnitude          : V = 19.31 mag
 Estimated Magnitude Drop  : 5.7 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 11.5 km/s
 Object Mean Diameter      : 3.1 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.5083 arcs/min @ PA = 268 deg
 Horizontal Parallax       : 4.6900 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 100° (sunlit = 53%), Sun = 161°
 Cross-track uncertainty   : 3.3 mas = 4 km = 1.45 path-width (1-sig)
 RUWE and duplicate source : 0.87 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL40
 Note                      : FP:true

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


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