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Stellar Occultation by (14127) 1998 QA91 on 2023-09-28 (19:44:39 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] : 351f8ce6-0bdc-435c-b24f-cbbc13dfa9a4 [observed]

 Occultation Date + Time   : 2023-09-28 at 19:44:39 UT +/- 0.73 min  [1]
 Object Designation        : (14127) 1998 QA91
 Star Designation          : GDR3 6844230806529912576
 Star Coordinates (ICRF)   : RA = 21 50 04.9407, DE = -11 36 26.495  [2]
 Star Magnitudes           : G = 8.1 mag, RP = 7.48 mag, BP = 8.55 mag
 Object Magnitude          : V = 15.94 mag
 Estimated Magnitude Drop  : 7.8 mag
 Estimated Max. Duration   : 1.5 sec
 Object Mean Diameter      : 8.5 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 5.8 km/s
 Elongation to Moon & Sun  : 32° (sunlit = 99%), Sun = 140°
 Cross-track uncertainty   : 2.4 mas = 2 km = 0.25 path-width (1-sig)
 RUWE and duplicate source : 2.42 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#57

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


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