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Stellar Occultation by (225253) 2009 RP1 on 2026-09-23 (19:48:42 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] : 845a5f70-d9b1-11f1-43f3-29cd1ffd3fd8 [observed]

 Occultation Date + Time   : 2026-09-23 at 19:48:42 UT +/- 0.26 min  [1]
 Object Designation        : (225253) 2009 RP1
 Star Designation          : GDR3 1746614421616781824
 Star Coordinates (ICRF)   : RA = 21 15 36.1866, DE = +12 05 02.720  [2]
 Star Magnitudes           : G = 12.14 mag, RP = 11.44 mag, BP = 12.69 mag
 Object Magnitude          : V = 19.93 mag
 Estimated Magnitude Drop  : 7.8 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 14.7 km/s
 Object Mean Diameter      : 3.1 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.5783 arcs/min @ PA = 193 deg
 Horizontal Parallax       : 4.1860 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 27° (sunlit = 91%), Sun = 137°
 Cross-track uncertainty   : 2.3 mas = 3 km = 1.13 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL30
 Note                      : FP:true

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


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