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Stellar Occultation by (5219) Zemka on 2025-11-28 (22:37:29 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] : cb60e010-ddb8-11f0-547e-34a1ef760a96 [observed]

 Occultation Date + Time   : 2025-11-28 at 22:37:29 UT +/- 0.01 min  [1]
 Object Designation        : (5219) Zemka
 Star Designation          : GDR3 0869674909723654272
 Star Coordinates (ICRF)   : RA = 07 19 21.2370, DE = +23 58 57.892  [2]
 Star Magnitudes           : G = 9.64 mag, RP = 8.86 mag, BP = 10.3 mag
 Object Magnitude          : V = 18.09 mag
 Estimated Magnitude Drop  : 8.5 mag
 Estimated Max. Duration   : 1.4 sec
 Speed of the shadow       : 6.9 km/s
 Object Mean Diameter      : 9.6 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.2267 arcs/min @ PA = 286 deg
 Horizontal Parallax       : 3.4870 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 123° (sunlit = 57%), Sun = 139°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 1.08 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL66
 Note                      : FP:true

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


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