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Stellar Occultation by (33800) Gross on 2026-05-25 (22:07:37 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] : 3c632c80-344b-11f1-6999-38e7d6ffab01 [asteroids]

 Occultation Date + Time   : 2026-05-25 at 22:07:37 UT +/- 0.01 min  [1]
 Object Designation        : (33800) Gross
 Star Designation          : GDR3 4277772995730346240
 Star Coordinates (ICRF)   : RA = 18 17 57.1898, DE = +03 01 52.880  [2]
 Star Magnitudes           : G = 12.53 mag, RP = 11.72 mag, BP = 13.24 mag
 Object Magnitude          : V = 17.15 mag
 Estimated Magnitude Drop  : 4.6 mag
 Estimated Max. Duration   : 1.4 sec
 Speed of the shadow       : 9.0 km/s
 Object Mean Diameter      : 12.6 km  (src: astorb) => apparent = 8 mas
 Apparent Motion           : 0.3283 arcs/min @ PA = 280 deg
 Horizontal Parallax       : 3.8820 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 92° (sunlit = 75%), Sun = 141°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.09 path-width (1-sig)
 RUWE and duplicate source : 1.1 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#65
 Note                      : FP:true

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


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