CORA test instance — changes here do not update the production service.
Collaborative Occultation
Resources and Archive
Occultations | Call for Observation | Observations | Reports | Info + Credits | JOA | Login

2022-12-15 / UCAC4 612-041286 / (11987) Yonematsu

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show William Stewart O+ VID M279 GB GPS 06:46:45 06:47:43.790 06:47:45.430 06:48:45 0.04 0.04 1.64 15.9
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#56 : 3934c710-ddb3-11f0-547e-031c7fef3525 [db: observed]
Using prediction 3934c710-ddb3-11f0-547e-031c7fef3525 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] : 3934c710-ddb3-11f0-547e-031c7fef3525 [observed] Occultation Date + Time : 2022-12-15 at 06:47:02 UT +/- 0.0 min [1] Object Designation : (11987) Yonematsu Orbit Class : MBA Star Designation : GDR3 0881738957461070848 Star Coordinates (ICRF) : RA = 07 49 11.9300, DE = +32 23 08.624 [2] Star Magnitudes : G = 11.5 mag, RP = 10.78 mag, BP = 12.08 mag Object Magnitude : V = 16.94 mag Estimated Magnitude Drop : 5.4 mag Estimated Max. Duration : 0.9 sec Object Mean Diameter : 8.3 km (src: astorb) Speed of the shadow : 9.7 km/s Elongation to Moon & Sun : 48° (sunlit = 61%), Sun = 148° Cross-track uncertainty : 0.3 mas = 0 km = 0.04 path-width (1-sig) RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#56 Note : FP:true [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
Loading sky atlas…

Aladin Lite direct link (has Gaia overlay)