Collaborative Occultation Resources and Archive (CORA)


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

2023-12-03 / UCAC4 518-004988 / (3495) Colchagua

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Stefano Sposetti O+ VID M420 CH GPS 18:13:00 18:16:07.0 18:16:09.5 18:19:00 0.2 0.2 2.50 31.5
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#58 : 7f51cb73-316f-49cd-944d-9cc2a1aa7d4d [db: observed]

Using prediction 7f51cb73-316f-49cd-944d-9cc2a1aa7d4d 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] : 7f51cb73-316f-49cd-944d-9cc2a1aa7d4d [observed]

 Occultation Date + Time   : 2023-12-03 at 18:12:59 UT +/- 0.03 min  [1]
 Object Designation        : (3495) Colchagua
 Orbit Class               : MBA
 Star Designation          : GDR3 0029096792818416128
 Star Coordinates (ICRF)   : RA = 02 55 36.9601, DE = +13 29 24.074  [2]
 Star Magnitudes           : G = 14.28 mag, RP = 13.51 mag, BP = 14.92 mag
 Object Magnitude          : V = 17.36 mag
 Estimated Magnitude Drop  : 3.1 mag
 Estimated Max. Duration   : 1.1 sec
 Object Mean Diameter      : 14 km  (src: astorb)
 Speed of the shadow       : 12.6 km/s
 Elongation to Moon & Sun  : 100° (sunlit = 64%), Sun = 154°
 Cross-track uncertainty   : 3.0 mas = 5 km = 0.41 path-width (1-sig)
 RUWE and duplicate source : 1.06 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#58

 
 [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)