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Stellar Occultation by (404964) 1998 SL97 on 2025-11-02 (19:15:18 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] : ac0fc140-ddb8-11f0-547e-608b6bf6aebd [observed]

 Occultation Date + Time   : 2025-11-02 at 19:15:18 UT +/- 0.05 min  [1]
 Object Designation        : (404964) 1998 SL97
 Star Designation          : GDR3 0300142038450444800
 Star Coordinates (ICRF)   : RA = 02 07 17.2172, DE = +29 15 27.347  [2]
 Star Magnitudes           : G = 12.25 mag, RP = 11.83 mag, BP = 12.51 mag
 Object Magnitude          : V = 19.18 mag
 Estimated Magnitude Drop  : 6.9 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 13.4 km/s
 Object Mean Diameter      : 3.0 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.6217 arcs/min @ PA = 274 deg
 Horizontal Parallax       : 4.9450 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 40° (sunlit = 89%), Sun = 165°
 Cross-track uncertainty   : 29.3 mas = 37 km = 12.60 path-width (1-sig)
 RUWE and duplicate source : 1.11 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL37
 Note                      : FP:true

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


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