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Stellar Occultation by (8984) Derevyanko on 2025-11-23 (16:50:12 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] : c3656b10-ddb8-11f0-547e-9902fafb7a1c [observed]

 Occultation Date + Time   : 2025-11-23 at 16:50:12 UT +/- 0.0 min  [1]
 Object Designation        : (8984) Derevyanko
 Star Designation          : GDR3 0218668402929306624
 Star Coordinates (ICRF)   : RA = 03 57 11.6402, DE = +34 26 46.426  [2]
 Star Magnitudes           : G = 13.85 mag, RP = 13.22 mag, BP = 14.32 mag
 Object Magnitude          : V = 16.97 mag
 Estimated Magnitude Drop  : 3.2 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 12.3 km/s
 Object Mean Diameter      : 7.2 km  (src: astorb) => apparent = 6 mas
 Apparent Motion           : 0.6250 arcs/min @ PA = 265 deg
 Horizontal Parallax       : 5.3930 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 145° (sunlit = 10%), Sun = 166°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.11 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL66
 Note                      : FP:true

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


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