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Stellar Occultation by (129114) Oliverwalthall on 2025-09-11 (21:35:33 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] : 69f3bba0-ddb7-11f0-547e-d9bed7d35144 [observed]

 Occultation Date + Time   : 2025-09-11 at 21:35:33 UT +/- 0.05 min  [1]
 Object Designation        : (129114) Oliverwalthall
 Star Designation          : GDR3 4251684161786869888
 Star Coordinates (ICRF)   : RA = 18 41 56.4475, DE = -08 52 14.231  [2]
 Star Magnitudes           : G = 12.29 mag, RP = 10.95 mag, BP = 14.46 mag
 Object Magnitude          : V = 20.25 mag
 Estimated Magnitude Drop  : 8.0 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 6.6 km/s
 Object Mean Diameter      : 4.3 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.1933 arcs/min @ PA = 127 deg
 Horizontal Parallax       : 3.1120 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 122° (sunlit = 78%), Sun = 111°
 Cross-track uncertainty   : 2.0 mas = 4 km = 0.95 path-width (1-sig)
 RUWE and duplicate source : 0.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL41
 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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