Collaborative Occultation Resources and Archive (CORA)

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

Stellar Occultation by (27723) 1990 QA on 2025-03-11 (00:34:50 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] : 8861d980-8b85-11ef-78cd-5b76feddb97a [asteroids]

 Occultation Date + Time   : 2025-03-11 at 00:34:50 UT +/- 0.0 min  [1]
 Object Designation        : (27723) 1990 QA
 Star Designation          : GDR3 0968393152473431936
 Star Coordinates (ICRF)   : RA = 06 20 26.3508, DE = +46 09 16.390  [2]
 Star Magnitudes           : G = 13.36 mag, RP = 12.86 mag, BP = 13.69 mag
 Object Magnitude          : V = 18.31 mag
 Estimated Magnitude Drop  : 5.0 mag
 Estimated Max. Duration   : 0.8 sec
 Object Mean Diameter      : 10.2 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 12.7 km/s
 Elongation to Moon & Sun  : 43° (sunlit = 90%), Sun = 102°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 1.08 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#56

 
 [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



Aladin Sky Atlas
Aladin Lite direct link (has Gaia overlay)