Collaborative Occultation Resources and Archive (CORA)


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

2025-03-05 / UCAC4 590-017916 / (15451) 1998 XK42

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Simon Kidd O- VID M350 GB GPS 20:24:00 20:26:00
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#57 : fe2b90d0-8b2a-11ef-78cd-63a5737bf96d [db: asteroids]

Using prediction fe2b90d0-8b2a-11ef-78cd-63a5737bf96d 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] : fe2b90d0-8b2a-11ef-78cd-63a5737bf96d [asteroids]

 Occultation Date + Time   : 2025-03-05 at 20:21:29 UT +/- 0.0 min  [1]
 Object Designation        : (15451) 1998 XK42
 Orbit Class               : MBA
 Star Designation          : GDR3 3421512200879819904
 Star Coordinates (ICRF)   : RA = 05 21 55.1984, DE = +27 52 57.103  [2]
 Star Magnitudes           : G = 12.5 mag, RP = 11.92 mag, BP = 12.89 mag
 Object Magnitude          : V = 18.41 mag
 Estimated Magnitude Drop  : 5.9 mag
 Estimated Max. Duration   : 0.9 sec
 Object Mean Diameter      : 10.1 km  (src: astorb)
 Speed of the shadow       : 11.3 km/s
 Elongation to Moon & Sun  : 17° (sunlit = 41%), Sun = 96°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 0.95 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#57

 
 [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)