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Stellar Occultation by (264863) 2002 RN143 on 2025-09-16 (19:50:04 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] : 707cdbf0-ddb7-11f0-547e-fe17efdfe375 [observed]

 Occultation Date + Time   : 2025-09-16 at 19:50:04 UT +/- 0.08 min  [1]
 Object Designation        : (264863) 2002 RN143
 Star Designation          : GDR3 2775081659614756992
 Star Coordinates (ICRF)   : RA = 00 47 24.5933, DE = +11 40 00.614  [2]
 Star Magnitudes           : G = 12.91 mag, RP = 12.25 mag, BP = 13.41 mag
 Object Magnitude          : V = 20.18 mag
 Estimated Magnitude Drop  : 7.3 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 11.0 km/s
 Object Mean Diameter      : 2.7 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4283 arcs/min @ PA = 252 deg
 Horizontal Parallax       : 4.1270 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 99° (sunlit = 25%), Sun = 158°
 Cross-track uncertainty   : 22.3 mas = 34 km = 12.76 path-width (1-sig)
 RUWE and duplicate source : 1.4 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#31
 Note                      : FP:true

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


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