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Stellar Occultation by (366721) 2003 YD47 on 2024-08-13 (20:20:41 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] : 429bc810-ddb5-11f0-547e-96a1fd3e556e [observed]

 Occultation Date + Time   : 2024-08-13 at 20:20:41 UT +/- 0.07 min  [1]
 Object Designation        : (366721) 2003 YD47
 Star Designation          : GDR3 4190079934024147456
 Star Coordinates (ICRF)   : RA = 19 53 55.2444, DE = -11 29 00.524  [2]
 Star Magnitudes           : G = 12.19 mag, RP = 11.64 mag, BP = 12.58 mag
 Object Magnitude          : V = 20.59 mag
 Estimated Magnitude Drop  : 8.4 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 11.4 km/s
 Object Mean Diameter      : 2.7 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3950 arcs/min @ PA = 258 deg
 Horizontal Parallax       : 3.6890 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 54° (sunlit = 62%), Sun = 155°
 Cross-track uncertainty   : 21.0 mas = 36 km = 13.45 path-width (1-sig)
 RUWE and duplicate source : 0.89 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL37
 Note                      : FP:true

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


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