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

Stellar Occultation by (16540) 1991 PO16 on 2026-09-09 (20:24:46 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] : d84ee7b0-d9af-11f1-43f3-7e5bc8ee7fe6 [observed]

 Occultation Date + Time   : 2026-09-09 at 20:24:46 UT +/- 0.0 min  [1]
 Object Designation        : (16540) 1991 PO16
 Star Designation          : GDR3 2445965668706271488
 Star Coordinates (ICRF)   : RA = 23 46 41.9043, DE = -05 27 36.167  [2]
 Star Magnitudes           : G = 8.67 mag, RP = 7.95 mag, BP = 9.24 mag
 Object Magnitude          : V = 16.94 mag
 Estimated Magnitude Drop  : 8.3 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 11.8 km/s
 Object Mean Diameter      : 6.3 km  (src: astorb) => apparent = 6 mas
 Apparent Motion           : 0.6433 arcs/min @ PA = 225 deg
 Horizontal Parallax       : 5.7820 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 155° (sunlit = 2%), Sun = 172°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 0.9 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL65
 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)