Collaborative Occultation Resources and Archive (CORA)

 Occultation UUID [and db] : c4678450-f42f-423d-b1e6-cbe6ddc1cce1 [observed]

 Occultation Date + Time   : 2020-02-11 at 21:54:25 UT +/- 2.74 min  [1]
 Object Designation        : (4) Vesta
 Star Designation          : GDR3 4068746901761730176
 Star Coordinates (ICRF)   : RA = 17 45 06.9646, DE = -23 31 52.693  [2]
 Star Magnitudes           : G = 15.16 mag, RP = 14.3 mag, BP = 15.76 mag
 Object Magnitude          : V = 18.4 mag
 Estimated Magnitude Drop  : 3.3 mag
 Estimated Max. Duration   : 12.1 sec
 Object Mean Diameter      : 468 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 38.6 km/s
 Elongation to Moon & Sun  : 88° (sunlit = 90%), Sun = 56°
 Cross-track uncertainty   : 1300.0 mas = 1754 km = 3.75 path-width (1-sig)
 RUWE and duplicate source : 0.95 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#?

 Object is a <Gaia mass determination> target !

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