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Stellar Occultation by (429825) 2012 NW1 on 2025-10-11 (21:06:57 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] : 8be99f30-ddb8-11f0-547e-22d87edfe5a4 [observed]

 Occultation Date + Time   : 2025-10-11 at 21:06:57 UT +/- 0.06 min  [1]
 Object Designation        : (429825) 2012 NW1
 Star Designation          : GDR3 6917287787918779392
 Star Coordinates (ICRF)   : RA = 20 58 26.3991, DE = -01 21 14.226  [2]
 Star Magnitudes           : G = 10.75 mag, RP = 10.09 mag, BP = 11.25 mag
 Object Magnitude          : V = 20.39 mag
 Estimated Magnitude Drop  : 9.6 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 6.4 km/s
 Object Mean Diameter      : 1.60 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.3400 arcs/min @ PA = 84 deg
 Horizontal Parallax       : 5.6340 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 124° (sunlit = 71%), Sun = 117°
 Cross-track uncertainty   : 18.0 mas = 20 km = 12.74 path-width (1-sig)
 RUWE and duplicate source : 0.89 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#27
 Note                      : FP:true

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


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