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Stellar Occultation by (144360) 2004 DF44 on 2023-08-25 (01:39:30 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] : f8ecd340-ddb3-11f0-547e-bfeeecef263f [observed]

 Occultation Date + Time   : 2023-08-25 at 01:39:30 UT +/- 0.02 min  [1]
 Object Designation        : (144360) 2004 DF44
 Star Designation          : GDR3 2576172618806432128
 Star Coordinates (ICRF)   : RA = 01 07 15.1264, DE = +05 36 56.187  [2]
 Star Magnitudes           : G = 9.69 mag, RP = 9.23 mag, BP = 9.96 mag
 Object Magnitude          : V = 20.01 mag
 Estimated Magnitude Drop  : 10.3 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 9.9 km/s
 Object Mean Diameter      : 3.9 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3333 arcs/min @ PA = 289 deg
 Horizontal Parallax       : 3.5930 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 128° (sunlit = 57%), Sun = 134°
 Cross-track uncertainty   : 8.3 mas = 14 km = 3.78 path-width (1-sig)
 RUWE and duplicate source : 0.88 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#33
 Note                      : FP:true

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


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