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Stellar Occultation by (227652) 2006 BY142 on 2025-09-23 (03:26:44 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] : 70f1c860-ddb8-11f0-547e-b934d7bfac8c [observed]

 Occultation Date + Time   : 2025-09-23 at 03:26:44 UT +/- 0.13 min  [1]
 Object Designation        : (227652) 2006 BY142
 Star Designation          : GDR3 0147708843048068992
 Star Coordinates (ICRF)   : RA = 04 36 43.9133, DE = +24 26 05.144  [2]
 Star Magnitudes           : G = 11.33 mag, RP = 10.48 mag, BP = 12.09 mag
 Object Magnitude          : V = 21.69 mag
 Estimated Magnitude Drop  : 10.4 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 6.4 km/s
 Object Mean Diameter      : 1.80 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.2100 arcs/min @ PA = 75 deg
 Horizontal Parallax       : 3.5040 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 124° (sunlit = 2%), Sun = 109°
 Cross-track uncertainty   : 21.7 mas = 39 km = 21.94 path-width (1-sig)
 RUWE and duplicate source : 1.28 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL27
 Note                      : FP:true

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


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SiMDA | 3D Asteroid Catalogue | Johnston Archive | Star at CDS (Vizier) | JPL Small-Body Node | Minor Planet Center | Wikipedia
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