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Stellar Occultation by (1781) Van Biesbroeck on 2025-12-26 (03:16:18 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] : f0153700-d996-11f1-43f3-cda8efcf0ded [observed]

 Occultation Date + Time   : 2025-12-26 at 03:16:18 UT +/- 0.0 min  [1]
 Object Designation        : (1781) Van Biesbroeck
 Star Designation          : GDR3 0938237843492369920
 Star Coordinates (ICRF)   : RA = 06 36 05.9628, DE = +32 45 48.953  [2]
 Star Magnitudes           : G = 13.76 mag, RP = 13.0 mag, BP = 14.39 mag
 Object Magnitude          : V = 15.77 mag
 Estimated Magnitude Drop  : 2.2 mag
 Estimated Max. Duration   : 0.8 sec
 Speed of the shadow       : 10.4 km/s
 Object Mean Diameter      : 8.6 km  (src: astorb) => apparent = 9 mas
 Apparent Motion           : 0.6567 arcs/min @ PA = 282 deg
 Horizontal Parallax       : 6.7400 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 113° (sunlit = 33%), Sun = 170°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL69
 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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