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Stellar Occultation by (917) Lyka on 2026-08-02 (03:21:04 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] : 3abe7a40-d9ac-11f1-43f3-2290fb6aad74 [observed]

 Occultation Date + Time   : 2026-08-02 at 03:21:04 UT +/- 0.0 min  [1]
 Object Designation        : (917) Lyka
 Star Designation          : GDR3 3430867739160360448
 Star Coordinates (ICRF)   : RA = 05 56 53.9882, DE = +27 23 08.889  [2]
 Star Magnitudes           : G = 11.73 mag, RP = 11.32 mag, BP = 11.98 mag
 Object Magnitude          : V = 16.79 mag
 Estimated Magnitude Drop  : 5.1 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 40.1 km/s
 Object Mean Diameter      : 28.1 km  (src: astorb) => apparent = 13 mas
 Apparent Motion           : 1.1200 arcs/min @ PA = 88 deg
 Horizontal Parallax       : 2.9730 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 98° (sunlit = 88%), Sun = 41°
 Cross-track uncertainty   : 0.2 mas = 0 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.2 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL75
 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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