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Stellar Occultation by (7859) Lhasa on 2025-12-30 (21:42:05 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] : 266728e0-d997-11f1-43f3-c537ff4f436f [observed]

 Occultation Date + Time   : 2025-12-30 at 21:42:05 UT +/- 0.03 min  [1]
 Object Designation        : (7859) Lhasa
 Star Designation          : GDR3 0086387322924653824
 Star Coordinates (ICRF)   : RA = 02 35 23.9585, DE = +19 42 28.569  [2]
 Star Magnitudes           : G = 13.97 mag, RP = 13.54 mag, BP = 14.25 mag
 Object Magnitude          : V = 17.68 mag
 Estimated Magnitude Drop  : 3.7 mag
 Estimated Max. Duration   : 2.4 sec
 Speed of the shadow       : 2.7 km/s
 Object Mean Diameter      : 6.5 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.1317 arcs/min @ PA = 85 deg
 Horizontal Parallax       : 5.1100 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 8° (sunlit = 83%), Sun = 123°
 Cross-track uncertainty   : 1.7 mas = 2 km = 0.33 path-width (1-sig)
 RUWE and duplicate source : 2.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL64
 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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