Collaborative Occultation Resources and Archive (CORA)


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

2017-12-18 / 2UC 37846503 / (284) Amalia

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Pietro Baruffetti O+ VID M200 IT GPS++ 03:29:59 03:31:32.73 03:31:36.25 03:33:03 0.64 0.32 3.52 50.3
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#135 : 67fe853f-af9d-4e2d-9f61-ef93789634b7 [db: observed]

Using prediction 67fe853f-af9d-4e2d-9f61-ef93789634b7 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] : 67fe853f-af9d-4e2d-9f61-ef93789634b7 [observed]

 Occultation Date + Time   : 2017-12-18 at 03:37:13 UT +/- 0.0 min  [1]
 Object Designation        : (284) Amalia
 Orbit Class               : MBA
 Star Designation          : GDR3 3394226106144798336
 Star Coordinates (ICRF)   : RA = 05 24 26.3549, DE = +17 02 33.746  [2]
 Star Magnitudes           : G = 13.08 mag, RP = 12.28 mag, BP = 13.75 mag
 Object Magnitude          : V = 14.18 mag
 Estimated Magnitude Drop  : 1.4 mag
 Estimated Max. Duration   : 3.7 sec
 Object Mean Diameter      : 53 km  (src: astorb)
 Speed of the shadow       : 14.3 km/s
 Elongation to Moon & Sun  : 176° (sunlit = 0%), Sun = 172°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.09 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#135

 
 [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)