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Stellar Occultation by (129581) 1997 SB6 on 2025-12-11 (21:58:36 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] : da34f4f0-ddb8-11f0-547e-8bd4ffb3de3f [observed]

 Occultation Date + Time   : 2025-12-11 at 21:58:36 UT +/- 0.02 min  [1]
 Object Designation        : (129581) 1997 SB6
 Star Designation          : GDR3 0127706493155824256
 Star Coordinates (ICRF)   : RA = 02 32 12.9450, DE = +27 54 58.780  [2]
 Star Magnitudes           : G = 11.83 mag, RP = 11.04 mag, BP = 12.51 mag
 Object Magnitude          : V = 19.69 mag
 Estimated Magnitude Drop  : 7.9 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 7.1 km/s
 Object Mean Diameter      : 3.4 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.2817 arcs/min @ PA = 239 deg
 Horizontal Parallax       : 4.2350 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 125° (sunlit = 50%), Sun = 143°
 Cross-track uncertainty   : 3.0 mas = 4 km = 1.33 path-width (1-sig)
 RUWE and duplicate source : 1.33 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL38
 Note                      : FP:true

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


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