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Stellar Occultation by (331448) 2012 HX7 on 2024-08-11 (20:39:16 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] : 3c7699b0-ddb5-11f0-547e-fa59e85a55a6 [observed]

 Occultation Date + Time   : 2024-08-11 at 20:39:16 UT +/- 0.1 min  [1]
 Object Designation        : (331448) 2012 HX7
 Star Designation          : GDR3 1818380168338693888
 Star Coordinates (ICRF)   : RA = 20 33 52.6404, DE = +21 27 27.412  [2]
 Star Magnitudes           : G = 10.96 mag, RP = 10.25 mag, BP = 11.53 mag
 Object Magnitude          : V = 20.48 mag
 Estimated Magnitude Drop  : 9.5 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 12.7 km/s
 Object Mean Diameter      : 2.6 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4783 arcs/min @ PA = 238 deg
 Horizontal Parallax       : 4.0070 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 97° (sunlit = 43%), Sun = 141°
 Cross-track uncertainty   : 34.3 mas = 54 km = 21.00 path-width (1-sig)
 RUWE and duplicate source : 1.0 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL25
 Note                      : FP:true

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


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