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Stellar Occultation by (21573) 1998 RP70 on 2024-12-10 (21:00:58 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] : b9303a10-ddb5-11f0-547e-5680ebfd49cc [observed]

 Occultation Date + Time   : 2024-12-10 at 21:00:58 UT +/- 0.01 min  [1]
 Object Designation        : (21573) 1998 RP70
 Star Designation          : GDR3 0057673374903758464
 Star Coordinates (ICRF)   : RA = 03 30 40.6393, DE = +19 39 34.539  [2]
 Star Magnitudes           : G = 13.8 mag, RP = 13.19 mag, BP = 14.21 mag
 Object Magnitude          : V = 18.57 mag
 Estimated Magnitude Drop  : 4.8 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 13.0 km/s
 Object Mean Diameter      : 8.1 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.3967 arcs/min @ PA = 264 deg
 Horizontal Parallax       : 3.2440 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 37° (sunlit = 75%), Sun = 156°
 Cross-track uncertainty   : 1.4 mas = 2 km = 0.34 path-width (1-sig)
 RUWE and duplicate source : 8.62 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#59
 Note                      : FP:true

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


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