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Stellar Occultation by (55440) 2001 TY85 on 2026-10-13 (19:26:33 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] : b0a9afc0-d9b3-11f1-43f3-2511eebdfd89 [observed]

 Occultation Date + Time   : 2026-10-13 at 19:26:33 UT +/- 0.02 min  [1]
 Object Designation        : (55440) 2001 TY85
 Star Designation          : GDR3 2649744476578928768
 Star Coordinates (ICRF)   : RA = 22 46 18.6748, DE = -01 53 13.237  [2]
 Star Magnitudes           : G = 13.5 mag, RP = 12.95 mag, BP = 13.88 mag
 Object Magnitude          : V = 19.91 mag
 Estimated Magnitude Drop  : 6.4 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 7.2 km/s
 Object Mean Diameter      : 2.6 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3150 arcs/min @ PA = 239 deg
 Horizontal Parallax       : 4.6720 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 106° (sunlit = 10%), Sun = 141°
 Cross-track uncertainty   : 2.3 mas = 3 km = 1.21 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL46
 Note                      : FP:true

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


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SiMDA | 3D Asteroid Catalogue | Johnston Archive | Star at CDS (Vizier) | JPL Small-Body Node | Minor Planet Center | Wikipedia
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