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Stellar Occultation by (9559) 1987 DH6 on 2025-08-15 (03:04:26 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] : 3e80fdc0-ddb7-11f0-547e-d4c0fccb4311 [observed]

 Occultation Date + Time   : 2025-08-15 at 03:04:26 UT +/- 0.0 min  [1]
 Object Designation        : (9559) 1987 DH6
 Star Designation          : GDR3 3415807182936132224
 Star Coordinates (ICRF)   : RA = 05 12 46.7423, DE = +23 27 50.578  [2]
 Star Magnitudes           : G = 11.73 mag, RP = 10.82 mag, BP = 12.58 mag
 Object Magnitude          : V = 19.34 mag
 Estimated Magnitude Drop  : 7.6 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 28.5 km/s
 Object Mean Diameter      : 7.0 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.7150 arcs/min @ PA = 86 deg
 Horizontal Parallax       : 2.6650 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 41° (sunlit = 62%), Sun = 63°
 Cross-track uncertainty   : 0.2 mas = 0 km = 0.07 path-width (1-sig)
 RUWE and duplicate source : 1.23 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#71
 Note                      : FP:true

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


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