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

Stellar Occultation by (84081) 2002 QH9 on 2025-08-26 (21:43:36 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] : 53803470-ddb7-11f0-547e-84c05fbffe9d [observed]

 Occultation Date + Time   : 2025-08-26 at 21:43:36 UT +/- 0.18 min  [1]
 Object Designation        : (84081) 2002 QH9
 Star Designation          : GDR3 4075237701170016896
 Star Coordinates (ICRF)   : RA = 18 57 28.7343, DE = -24 03 43.975  [2]
 Star Magnitudes           : G = 12.34 mag, RP = 11.3 mag, BP = 13.43 mag
 Object Magnitude          : V = 20.66 mag
 Estimated Magnitude Drop  : 8.3 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 3.6 km/s
 Object Mean Diameter      : 2.3 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.1400 arcs/min @ PA = 232 deg
 Horizontal Parallax       : 4.0870 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 87° (sunlit = 13%), Sun = 129°
 Cross-track uncertainty   : 1.3 mas = 2 km = 0.88 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL35
 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)