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Stellar Occultation by (7746) 1987 RC1 on 2026-04-15 (22:54:32 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] : 3eb546c0-3433-11f1-6999-38adfadfef74 [asteroids]

 Occultation Date + Time   : 2026-04-15 at 22:54:32 UT +/- 0.01 min  [1]
 Object Designation        : (7746) 1987 RC1
 Star Designation          : GDR3 6254165732437446016
 Star Coordinates (ICRF)   : RA = 15 35 42.7798, DE = -19 38 31.607  [2]
 Star Magnitudes           : G = 14.46 mag, RP = 13.77 mag, BP = 14.98 mag
 Object Magnitude          : V = 16.75 mag
 Estimated Magnitude Drop  : 2.4 mag
 Estimated Max. Duration   : 1.7 sec
 Speed of the shadow       : 7.0 km/s
 Object Mean Diameter      : 11.9 km  (src: astorb) => apparent = 8 mas
 Apparent Motion           : 0.2933 arcs/min @ PA = 280 deg
 Horizontal Parallax       : 4.4300 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 129° (sunlit = 3%), Sun = 150°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.08 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#63
 Note                      : FP:true

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


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