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

Stellar Occultation by (23827) 1998 QG74 on 2025-11-11 (18:13:55 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] : b2ffb9b0-ddb8-11f0-547e-2fe27cfe8cdc [observed]

 Occultation Date + Time   : 2025-11-11 at 18:13:55 UT +/- 0.0 min  [1]
 Object Designation        : (23827) 1998 QG74
 Star Designation          : GDR3 4183521420185032064
 Star Coordinates (ICRF)   : RA = 19 43 08.3571, DE = -13 06 45.207  [2]
 Star Magnitudes           : G = 10.74 mag, RP = 9.76 mag, BP = 11.75 mag
 Object Magnitude          : V = 19.72 mag
 Estimated Magnitude Drop  : 9.0 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 28.4 km/s
 Object Mean Diameter      : 5.7 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.7317 arcs/min @ PA = 87 deg
 Horizontal Parallax       : 2.7350 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 159° (sunlit = 55%), Sun = 66°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.29 path-width (1-sig)
 RUWE and duplicate source : 1.15 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL45
 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)