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Stellar Occultation by (426) Hippo on 2025-10-02 (02:45:37 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] : 8aeb6840-85ab-11ef-78cd-ae88a7bf5f14 [asteroids]

 Occultation Date + Time   : 2025-10-02 at 02:45:37 UT +/- 0.0 min  [1]
 Object Designation        : (426) Hippo
 Star Designation          : GDR3 2852509818199604224
 Star Coordinates (ICRF)   : RA = 23 50 17.1342, DE = +25 10 45.216  [2]
 Star Magnitudes           : G = 13.15 mag, RP = 12.67 mag, BP = 13.47 mag
 Object Magnitude          : V = 13.38 mag
 Estimated Magnitude Drop  : 0.9 mag
 Estimated Max. Duration   : 8.8 sec
 Object Mean Diameter      : 127.1 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 14.4 km/s
 Elongation to Moon & Sun  : 69° (sunlit = 71%), Sun = 156°
 Cross-track uncertainty   : 2.0 mas = 3 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#134

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


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