Collaborative Occultation
Resources and Archive
CORA
Occultations | Observations | Reports | Info + Credits | JOA | Admin | Login

Stellar Occultation by (70887) 1999 VY166 on 2026-08-17 (20:50:54 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] : 028eb5c0-d9ae-11f1-43f3-895df6f3a961 [observed]

 Occultation Date + Time   : 2026-08-17 at 20:50:54 UT +/- 0.12 min  [1]
 Object Designation        : (70887) 1999 VY166
 Star Designation          : GDR3 4039049818554896384
 Star Coordinates (ICRF)   : RA = 18 04 58.1354, DE = -35 14 38.288  [2]
 Star Magnitudes           : G = 15.25 mag, RP = 14.34 mag, BP = 15.89 mag
 Object Magnitude          : V = 19.26 mag
 Estimated Magnitude Drop  : 4.0 mag
 Estimated Max. Duration   : 0.9 sec
 Speed of the shadow       : 3.0 km/s
 Object Mean Diameter      : 2.8 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.1583 arcs/min @ PA = 43 deg
 Horizontal Parallax       : 5.5850 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 61° (sunlit = 29%), Sun = 125°
 Cross-track uncertainty   : 2.1 mas = 2 km = 0.86 path-width (1-sig)
 RUWE and duplicate source : 1.58 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL43
 Note                      : FP:true

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


More Data and Informations
SiMDA | 3D Asteroid Catalogue | Johnston Archive | Star at CDS (Vizier) | JPL Small-Body Node | Minor Planet Center | Wikipedia
(If error 404: link not valid which means no data available)


Interactive map

Download KMZ file

Aladin Sky Atlas
Loading sky atlas…
Aladin Lite direct link (has Gaia overlay)