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Stellar Occultation by (821) Fanny on 2026-01-17 (18:41:59 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] : 5d23ee10-de6e-11f0-4858-eac41cfea941 [asteroids]

 Occultation Date + Time   : 2026-01-17 at 18:41:59 UT +/- 0.0 min  [1]
 Object Designation        : (821) Fanny
 Star Designation          : GDR3 3349837997100807680
 Star Coordinates (ICRF)   : RA = 05 51 56.7635, DE = +16 33 08.340  [2]
 Star Magnitudes           : G = 11.81 mag, RP = 11.38 mag, BP = 12.09 mag
 Object Magnitude          : V = 16.83 mag
 Estimated Magnitude Drop  : 5.0 mag
 Estimated Max. Duration   : 1.2 sec
 Speed of the shadow       : 11.9 km/s
 Object Mean Diameter      : 14.5 km  (src: astorb) => apparent = 9 mas
 Apparent Motion           : 0.4250 arcs/min @ PA = 273 deg
 Horizontal Parallax       : 3.7870 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 159° (sunlit = 1%), Sun = 150°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 1.44 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#76
 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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