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

Stellar Occultation by (61463) 2000 QT31 on 2025-11-09 (18:10:24 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] : b0221530-ddb8-11f0-547e-c075ddfdcc8c [observed]

 Occultation Date + Time   : 2025-11-09 at 18:10:24 UT +/- 0.05 min  [1]
 Object Designation        : (61463) 2000 QT31
 Star Designation          : GDR3 2635379288441883520
 Star Coordinates (ICRF)   : RA = 23 13 33.5385, DE = -04 32 53.285  [2]
 Star Magnitudes           : G = 13.12 mag, RP = 12.64 mag, BP = 13.43 mag
 Object Magnitude          : V = 18.98 mag
 Estimated Magnitude Drop  : 5.9 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 6.8 km/s
 Object Mean Diameter      : 2.8 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.3867 arcs/min @ PA = 41 deg
 Horizontal Parallax       : 6.0670 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 119° (sunlit = 76%), Sun = 120°
 Cross-track uncertainty   : 8.3 mas = 8 km = 3.12 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#48
 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)