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Stellar Occultation by (1169) Alwine on 2025-10-18 (18:31:11 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] : 9bf76c90-ddb8-11f0-547e-ca935fe750be [observed]

 Occultation Date + Time   : 2025-10-18 at 18:31:11 UT +/- 0.0 min  [1]
 Object Designation        : (1169) Alwine
 Star Designation          : GDR3 6871665653167582336
 Star Coordinates (ICRF)   : RA = 19 44 45.6744, DE = -17 10 49.653  [2]
 Star Magnitudes           : G = 11.71 mag, RP = 10.75 mag, BP = 12.67 mag
 Object Magnitude          : V = 17.55 mag
 Estimated Magnitude Drop  : 5.9 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 16.4 km/s
 Object Mean Diameter      : 9.4 km  (src: astorb) => apparent = 6 mas
 Apparent Motion           : 0.6183 arcs/min @ PA = 83 deg
 Horizontal Parallax       : 4.0070 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 120° (sunlit = 7%), Sun = 89°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 0.93 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL62
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


More Data and Informations
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