Collaborative Occultation Resources and Archive (CORA)

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

Stellar Occultation by (52) Europa on 2023-08-23 (19:44:09 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] : aec4902b-6780-4e40-9b54-253ff28aa9e9 [observed]

 Occultation Date + Time   : 2023-08-23 at 19:44:09 UT +/- 0.04 min  [1]
 Object Designation        : (52) Europa
 Star Designation          : GDR3 4121870291458534272
 Star Coordinates (ICRF)   : RA = 17 29 57.6313, DE = -18 50 32.339  [2]
 Star Magnitudes           : G = 13.75 mag, RP = 12.74 mag, BP = 14.81 mag
 Object Magnitude          : V = 12.48 mag
 Estimated Magnitude Drop  : 0.3 mag
 Estimated Max. Duration   : 60.1 sec
 Object Mean Diameter      : 302.5 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 5.0 km/s
 Elongation to Moon & Sun  : 30° (sunlit = 44%), Sun = 112°
 Cross-track uncertainty   : 1.3 mas = 2 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#125

 Object is a <Gaia mass determination> target !

 [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)