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Stellar Occultation by (15636) 2000 JD31 on 2023-10-04 (19:53:00 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] : 84333f3c-42f8-4d5c-9663-374e2b241bc1 [observed]

 Occultation Date + Time   : 2023-10-04 at 19:53:00 UT +/- 0.02 min  [1]
 Object Designation        : (15636) 2000 JD31
 Star Designation          : GDR3 4070665416510336640
 Star Coordinates (ICRF)   : RA = 17 55 20.1014, DE = -21 09 31.446  [2]
 Star Magnitudes           : G = 16.45 mag, RP = 15.12 mag, BP = 18.53 mag
 Object Magnitude          : V = 19.63 mag
 Estimated Magnitude Drop  : 3.2 mag
 Estimated Max. Duration   : 0.3 sec
 Object Mean Diameter      : 7.1 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 22.1 km/s
 Elongation to Moon & Sun  : 170° (sunlit = 67%), Sun = 78°
 Cross-track uncertainty   : 1.1 mas = 2 km = 0.39 path-width (1-sig)
 RUWE and duplicate source : 1.08 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#50

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


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