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Stellar Occultation by (76701) 2000 HQ87 on 2025-04-19 (19:57:52 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] : 79e25db0-ddb6-11f0-547e-aad4bffc278e [observed]

 Occultation Date + Time   : 2025-04-19 at 19:57:52 UT +/- 0.01 min  [1]
 Object Designation        : (76701) 2000 HQ87
 Star Designation          : GDR3 0711701438434121472
 Star Coordinates (ICRF)   : RA = 09 00 13.2284, DE = +31 07 13.962  [2]
 Star Magnitudes           : G = 12.93 mag, RP = 12.34 mag, BP = 13.35 mag
 Object Magnitude          : V = 20.24 mag
 Estimated Magnitude Drop  : 7.3 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 11.7 km/s
 Object Mean Diameter      : 4.0 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3533 arcs/min @ PA = 134 deg
 Horizontal Parallax       : 3.2040 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 156° (sunlit = 63%), Sun = 98°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.35 path-width (1-sig)
 RUWE and duplicate source : 1.04 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#36
 Note                      : FP:true

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


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