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Stellar Occultation by (49637) 1999 HO8 on 2023-09-15 (19:05:15 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] : 09a5adb0-ddb4-11f0-547e-21679d55eb33 [observed]

 Occultation Date + Time   : 2023-09-15 at 19:05:15 UT +/- 0.0 min  [1]
 Object Designation        : (49637) 1999 HO8
 Star Designation          : GDR3 0098780987928364928
 Star Coordinates (ICRF)   : RA = 01 54 44.2507, DE = +23 33 23.061  [2]
 Star Magnitudes           : G = 12.74 mag, RP = 12.06 mag, BP = 13.23 mag
 Object Magnitude          : V = 18.54 mag
 Estimated Magnitude Drop  : 5.8 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 8.2 km/s
 Object Mean Diameter      : 5.6 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.3350 arcs/min @ PA = 299 deg
 Horizontal Parallax       : 4.3400 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 143° (sunlit = 0%), Sun = 137°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.26 path-width (1-sig)
 RUWE and duplicate source : 7.91 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL54
 Note                      : FP:true

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


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