Collaborative Occultation
Resources and Archive
CORA

Occultations | Observations | Reports | Info + Credits | JOA | Admin | Login

Stellar Occultation by (86265) 1999 TT249 on 2026-07-10 (22:28:48 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] : 183266a0-d9aa-11f1-43f3-f8d19fdfa882 [observed]

 Occultation Date + Time   : 2026-07-10 at 22:28:48 UT +/- 0.02 min  [1]
 Object Designation        : (86265) 1999 TT249
 Star Designation          : GDR3 4203268786540710912
 Star Coordinates (ICRF)   : RA = 18 48 24.1428, DE = -10 02 47.067  [2]
 Star Magnitudes           : G = 15.81 mag, RP = 14.89 mag, BP = 16.67 mag
 Object Magnitude          : V = 19.48 mag
 Estimated Magnitude Drop  : 3.7 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 14.0 km/s
 Object Mean Diameter      : 4.5 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4650 arcs/min @ PA = 266 deg
 Horizontal Parallax       : 3.5380 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 134° (sunlit = 17%), Sun = 166°
 Cross-track uncertainty   : 1.8 mas = 3 km = 0.72 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL42
 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

Computing the ground track on Earth failed !

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