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Stellar Occultation by (21018) 1988 VV1 on 2023-10-28 (19:36:55 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] : 31bb0fc0-ddb4-11f0-547e-71f76e5a6ef8 [observed]

 Occultation Date + Time   : 2023-10-28 at 19:36:55 UT +/- 0.0 min  [1]
 Object Designation        : (21018) 1988 VV1
 Star Designation          : GDR3 0304733706383109888
 Star Coordinates (ICRF)   : RA = 02 02 22.3161, DE = +32 34 41.893  [2]
 Star Magnitudes           : G = 10.57 mag, RP = 9.88 mag, BP = 11.11 mag
 Object Magnitude          : V = 17.14 mag
 Estimated Magnitude Drop  : 6.6 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 12.7 km/s
 Object Mean Diameter      : 8.7 km  (src: astorb) => apparent = 6 mas
 Apparent Motion           : 0.5567 arcs/min @ PA = 247 deg
 Horizontal Parallax       : 4.6580 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 19° (sunlit = 100%), Sun = 161°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.11 path-width (1-sig)
 RUWE and duplicate source : 1.29 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#59
 Note                      : FP:true

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


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