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

Stellar Occultation by (33784) 1999 RE187 on 2026-09-28 (21:49:22 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] : 51479d90-d9b2-11f1-43f3-f5949dff87d6 [observed]

 Occultation Date + Time   : 2026-09-28 at 21:49:22 UT +/- 0.01 min  [1]
 Object Designation        : (33784) 1999 RE187
 Star Designation          : GDR3 2749603776175462400
 Star Coordinates (ICRF)   : RA = 00 37 13.2148, DE = +08 06 10.974  [2]
 Star Magnitudes           : G = 11.14 mag, RP = 9.99 mag, BP = 10.67 mag
 Object Magnitude          : V = 19.06 mag
 Estimated Magnitude Drop  : 7.9 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 15.5 km/s
 Object Mean Diameter      : 5.2 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.5150 arcs/min @ PA = 258 deg
 Horizontal Parallax       : 3.5240 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 22° (sunlit = 94%), Sun = 173°
 Cross-track uncertainty   : 1.7 mas = 3 km = 0.59 path-width (1-sig)
 RUWE and duplicate source : 1.53 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)