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

Stellar Occultation by (9077) Ildo on 2025-08-29 (22:03:58 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] : 569a93d0-ddb7-11f0-547e-91c4c57ab449 [observed]

 Occultation Date + Time   : 2025-08-29 at 22:03:58 UT +/- 0.01 min  [1]
 Object Designation        : (9077) Ildo
 Star Designation          : GDR3 6896540007797963520
 Star Coordinates (ICRF)   : RA = 21 03 40.5522, DE = -09 13 36.730  [2]
 Star Magnitudes           : G = 11.55 mag, RP = 11.06 mag, BP = 11.87 mag
 Object Magnitude          : V = 17.15 mag
 Estimated Magnitude Drop  : 5.6 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 10.4 km/s
 Object Mean Diameter      : 6.6 km  (src: astorb) => apparent = 6 mas
 Apparent Motion           : 0.5500 arcs/min @ PA = 227 deg
 Horizontal Parallax       : 5.6260 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 84° (sunlit = 37%), Sun = 158°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.12 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#65
 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
Aladin Lite direct link (has Gaia overlay)