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Stellar Occultation by (40244) 1998 WP4 on 2024-08-01 (20:33:00 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] : a6137df0-c350-11ef-5276-74e2f747d068 [observed]

 Occultation Date + Time   : 2024-08-01 at 20:33:00 UT +/- 0.0 min  [1]
 Object Designation        : (40244) 1998 WP4
 Star Designation          : GDR3 1799885519463855488
 Star Coordinates (ICRF)   : RA = 21 50 50.8427, DE = +27 04 50.664  [2]
 Star Magnitudes           : G = 11.85 mag, RP = 11.34 mag, BP = 12.18 mag
 Object Magnitude          : V = 18.11 mag
 Estimated Magnitude Drop  : 6.3 mag
 Estimated Max. Duration   : 0.5 sec
 Object Mean Diameter      : 3 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 6.6 km/s
 Elongation to Moon & Sun  : 109° (sunlit = 7%), Sun = 133°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.08 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#45

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


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