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Stellar Occultation by (17758) 1998 DC18 on 2024-12-12 (18:59:29 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] : e6ae4bb0-c35a-11ef-5276-4599f57d2063 [observed]

 Occultation Date + Time   : 2024-12-12 at 18:59:29 UT +/- 0.01 min  [1]
 Object Designation        : (17758) 1998 DC18
 Star Designation          : GDR3 0874846668822617728
 Star Coordinates (ICRF)   : RA = 07 45 53.4800, DE = +26 15 10.209  [2]
 Star Magnitudes           : G = 9.43 mag, RP = 8.69 mag, BP = 10.02 mag
 Object Magnitude          : V = 19.09 mag
 Estimated Magnitude Drop  : 9.7 mag
 Estimated Max. Duration   : 0.5 sec
 Object Mean Diameter      : 4 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 9.5 km/s
 Elongation to Moon & Sun  : 67° (sunlit = 91%), Sun = 147°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.10 path-width (1-sig)
 RUWE and duplicate source : 1.0 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#49

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


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