Collaborative Occultation Resources and Archive (CORA)


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

2023-08-04 / UCAC4 473-117553 / (242128) 2002 XA42

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Carles Schnabel O- VID M400 ES GPS 20:45:48 20:49:01
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

1 observation found in db: sodis

Available (probably) matching predictions (click on the link to switch):
JPL#32 : ea205564-a6f6-4326-acbc-f186d3a40be6 [db: observed]

Using prediction ea205564-a6f6-4326-acbc-f186d3a40be6 for map and profile fit

Get observations as KML file (reduced site location resolution)


Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : ea205564-a6f6-4326-acbc-f186d3a40be6 [observed]

 Occultation Date + Time   : 2023-08-04 at 20:41:36 UT +/- 0.06 min  [1]
 Object Designation        : (242128) 2002 XA42
 Orbit Class               : MBA
 Star Designation          : GDR3 4247590924808336896
 Star Coordinates (ICRF)   : RA = 20 09 07.6207, DE = +04 34 23.675  [2]
 Star Magnitudes           : G = 12.63 mag, RP = 12.15 mag, BP = 12.95 mag
 Object Magnitude          : V = 17.84 mag
 Estimated Magnitude Drop  : 5.2 mag
 Estimated Max. Duration   : 0.4 sec
 Object Mean Diameter      : 4 km  (src: astorb)
 Speed of the shadow       : 10.3 km/s
 Elongation to Moon & Sun  : 56° (sunlit = 86%), Sun = 155°
 Cross-track uncertainty   : 23.7 mas = 24 km = 5.80 path-width (1-sig)
 RUWE and duplicate source : 1.04 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#32

 
 [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)

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