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Stellar Occultation by (20612) 1999 RT237 on 2023-11-27 (21:21:22 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] : 4e9b3c8d-8fd9-4591-acb9-cb085fce7d50 [observed]

 Occultation Date + Time   : 2023-11-27 at 21:21:22 UT +/- 0.13 min  [1]
 Object Designation        : (20612) 1999 RT237
 Star Designation          : GDR3 0666640187753883392
 Star Coordinates (ICRF)   : RA = 07 52 36.2189, DE = +15 13 02.845  [2]
 Star Magnitudes           : G = 9.95 mag, RP = 9.51 mag, BP = 10.22 mag
 Object Magnitude          : V = 18.62 mag
 Estimated Magnitude Drop  : 8.7 mag
 Estimated Max. Duration   : 2.2 sec
 Object Mean Diameter      : 8.2 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 3.8 km/s
 Elongation to Moon & Sun  : 47° (sunlit = 100%), Sun = 128°
 Cross-track uncertainty   : 2.0 mas = 3 km = 0.47 path-width (1-sig)
 RUWE and duplicate source : 1.28 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#40

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


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