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Stellar Occultation by (40000) 1998 HZ87 on 2024-09-11 (21:11:12 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] : d714d2b0-c354-11ef-5276-a6a59ff3975e [observed]

 Occultation Date + Time   : 2024-09-11 at 21:11:12 UT +/- 0.01 min  [1]
 Object Designation        : (40000) 1998 HZ87
 Star Designation          : GDR3 2733993592984380928
 Star Coordinates (ICRF)   : RA = 22 16 10.9521, DE = +13 01 03.247  [2]
 Star Magnitudes           : G = 12.41 mag, RP = 11.9 mag, BP = 12.75 mag
 Object Magnitude          : V = 18.05 mag
 Estimated Magnitude Drop  : 5.6 mag
 Estimated Max. Duration   : 0.4 sec
 Object Mean Diameter      : 3 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 8.9 km/s
 Elongation to Moon & Sun  : 77° (sunlit = 57%), Sun = 156°
 Cross-track uncertainty   : 1.7 mas = 1 km = 0.48 path-width (1-sig)
 RUWE and duplicate source : 1.02 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#43

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


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