Collaborative Occultation Resources and Archive (CORA)


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

2021-08-06 / 4UC 311-182675 / (696) Leonora

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Jiri Kubanek O+ CCD M303 CZ GPS++ 20:52:41 20:54:37.16 20:54:46.26 20:56:39 1.61 1.61 9.10 84.6
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: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#58 : 0d707bbf-a7c4-4dd9-9cf0-b9a7e7c2ceff [db: observed]
JPL#58 : b8fe52b0-f659-4528-a6b9-df73e2015d08 [db: observed]

Using prediction 0d707bbf-a7c4-4dd9-9cf0-b9a7e7c2ceff 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] : 0d707bbf-a7c4-4dd9-9cf0-b9a7e7c2ceff [observed]

 Occultation Date + Time   : 2021-08-06 at 21:00:37 UT +/- 0.02 min  [1]
 Object Designation        : (696) Leonora
 Orbit Class               : MBA
 Star Designation          : GDR3 4052207704299726208
 Star Coordinates (ICRF)   : RA = 18 14 12.7060, DE = -27 55 57.153  [2]
 Star Magnitudes           : G = 15.65 mag, RP = 14.75 mag, BP = 16.41 mag
 Object Magnitude          : V = 14.93 mag
 Estimated Magnitude Drop  : 0.5 mag
 Estimated Max. Duration   : 8.1 sec
 Object Mean Diameter      : 76 km  (src: astorb)
 Speed of the shadow       : 9.3 km/s
 Elongation to Moon & Sun  : 159° (sunlit = 3%), Sun = 138°
 Cross-track uncertainty   : 1.7 mas = 3 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 1.18 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)