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Stellar Occultation by (199821) 2007 DA83 on 2024-08-27 (18:58:38 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] : 494bd150-ddb5-11f0-547e-1a49d78c5c0e [observed]

 Occultation Date + Time   : 2024-08-27 at 18:58:38 UT +/- 0.16 min  [1]
 Object Designation        : (199821) 2007 DA83
 Star Designation          : GDR3 4247633492224177792
 Star Coordinates (ICRF)   : RA = 20 13 43.0372, DE = +04 30 58.384  [2]
 Star Magnitudes           : G = 12.21 mag, RP = 11.5 mag, BP = 12.76 mag
 Object Magnitude          : V = 19.44 mag
 Estimated Magnitude Drop  : 7.2 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 13.1 km/s
 Object Mean Diameter      : 3.0 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.6067 arcs/min @ PA = 199 deg
 Horizontal Parallax       : 4.9060 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 128° (sunlit = 35%), Sun = 144°
 Cross-track uncertainty   : 22.3 mas = 28 km = 9.66 path-width (1-sig)
 RUWE and duplicate source : 0.86 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#38
 Note                      : FP:true

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


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