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Stellar Occultation by (194) Prokne on 2026-03-28 (22:18:23 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] : d0c9fa10-de6b-11f0-4858-1be0b3ff1662 [asteroids]

 Occultation Date + Time   : 2026-03-28 at 22:18:23 UT +/- 0.01 min  [1]
 Object Designation        : (194) Prokne
 Star Designation          : GDR3 3350819689184738816
 Star Coordinates (ICRF)   : RA = 06 47 53.3870, DE = +10 15 45.395  [2]
 Star Magnitudes           : G = 13.41 mag, RP = 12.64 mag, BP = 14.05 mag
 Object Magnitude          : V = 13.61 mag
 Estimated Magnitude Drop  : 0.9 mag
 Estimated Max. Duration   : 11.3 sec
 Speed of the shadow       : 14.9 km/s
 Object Mean Diameter      : 168.4 km  (src: astorb) => apparent = 79 mas
 Apparent Motion           : 0.4217 arcs/min @ PA = 57 deg
 Horizontal Parallax       : 3.0040 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 39° (sunlit = 82%), Sun = 94°
 Cross-track uncertainty   : 1.0 mas = 2 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 1.1 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#170
 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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