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Stellar Occultation by (66891) 1999 VP85 on 2025-09-18 (19:53:41 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] : 72975780-ddb7-11f0-547e-65dbeddd91d2 [observed]

 Occultation Date + Time   : 2025-09-18 at 19:53:41 UT +/- 0.04 min  [1]
 Object Designation        : (66891) 1999 VP85
 Star Designation          : GDR3 4082656380985270912
 Star Coordinates (ICRF)   : RA = 19 21 49.4842, DE = -21 15 28.392  [2]
 Star Magnitudes           : G = 11.25 mag, RP = 10.69 mag, BP = 11.64 mag
 Object Magnitude          : V = 18.56 mag
 Estimated Magnitude Drop  : 7.3 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 11.0 km/s
 Object Mean Diameter      : 2.9 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.7167 arcs/min @ PA = 118 deg
 Horizontal Parallax       : 6.9090 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 148° (sunlit = 9%), Sun = 113°
 Cross-track uncertainty   : 4.0 mas = 3 km = 1.27 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#40
 Note                      : FP:true

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


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