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Stellar Occultation by (27613) Annalou on 2026-09-28 (20:00:37 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] : 2d2dfa30-d9b2-11f1-43f3-5fd5ad5f6125 [observed]

 Occultation Date + Time   : 2026-09-28 at 20:00:37 UT +/- 0.01 min  [1]
 Object Designation        : (27613) Annalou
 Star Designation          : GDR3 6822800156674108544
 Star Coordinates (ICRF)   : RA = 22 15 02.9988, DE = -17 54 25.560  [2]
 Star Magnitudes           : G = 13.37 mag, RP = 12.78 mag, BP = 13.8 mag
 Object Magnitude          : V = 17.59 mag
 Estimated Magnitude Drop  : 4.2 mag
 Estimated Max. Duration   : 0.8 sec
 Speed of the shadow       : 4.6 km/s
 Object Mean Diameter      : 3.6 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.3367 arcs/min @ PA = 300 deg
 Horizontal Parallax       : 7.7230 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 65° (sunlit = 94%), Sun = 143°
 Cross-track uncertainty   : 1.3 mas = 1 km = 0.30 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL50
 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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