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Stellar Occultation by (43857) Tanijinzan on 2025-08-18 (19:19:29 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] : 4bc71fa0-ddb7-11f0-547e-5421d6ff9501 [observed]

 Occultation Date + Time   : 2025-08-18 at 19:19:29 UT +/- 0.02 min  [1]
 Object Designation        : (43857) Tanijinzan
 Star Designation          : GDR3 1909775835441659648
 Star Coordinates (ICRF)   : RA = 23 18 00.3027, DE = +31 31 57.749  [2]
 Star Magnitudes           : G = 11.54 mag, RP = 10.98 mag, BP = 11.93 mag
 Object Magnitude          : V = 16.85 mag
 Estimated Magnitude Drop  : 5.3 mag
 Estimated Max. Duration   : 1.8 sec
 Speed of the shadow       : 4.5 km/s
 Object Mean Diameter      : 7.8 km  (src: astorb) => apparent = 7 mas
 Apparent Motion           : 0.2500 arcs/min @ PA = 286 deg
 Horizontal Parallax       : 5.9290 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 84° (sunlit = 22%), Sun = 131°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.10 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL55
 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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