Collaborative Occultation Resources and Archive (CORA)

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

Stellar Occultation by (19933) 1981 EW5 on 2023-06-24 (21:55:02 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] : 98e0e2e0-c336-11ef-5276-f0c57ff3f9ed [observed]

 Occultation Date + Time   : 2023-06-24 at 21:55:02 UT +/- 0.0 min  [1]
 Object Designation        : (19933) 1981 EW5
 Star Designation          : GDR3 4253933354641555968
 Star Coordinates (ICRF)   : RA = 18 53 20.7569, DE = -06 27 15.376  [2]
 Star Magnitudes           : G = 15.77 mag, RP = 15.03 mag, BP = 16.23 mag
 Object Magnitude          : V = 18.12 mag
 Estimated Magnitude Drop  : 2.5 mag
 Estimated Max. Duration   : 0.4 sec
 Object Mean Diameter      : 5.1 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 12.4 km/s
 Elongation to Moon & Sun  : 114° (sunlit = 36%), Sun = 161°
 Cross-track uncertainty   : 0.5 mas = 0 km = 0.13 path-width (1-sig)
 RUWE and duplicate source : 0.91 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#46

 
 [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)