Collaborative Occultation Resources and Archive (CORA)


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

2019-07-07 / 4UC 311-177346 / (257) Silesia

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Pietro Baruffetti O+ VID M300 IT GPS++ 00:38:27 00:40:08.54 00:40:12.38 00:41:29 0.32 0.32 3.84 51.5
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: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#63 : 0acf44ce-c0e2-45f6-ac4c-b36827babc5e [db: observed]
JPL#63 : dcdd425c-a5bc-407e-83c5-397d5bb88f80 [db: observed]
JPL#63 : 0e91504a-5b24-4985-a4a7-9270a006505a [db: observed]
JPL#63 : 3e6d63d5-bb5a-4a36-95d4-36b2bbbebd51 [db: observed]
JPL#63 : c886de8e-264b-4ff9-995f-83931410655e [db: observed]
JPL#63 : 83a34b99-f63b-49c1-a014-53e39d9a6fb2 [db: observed]
JPL#63 : 268e07a0-2ec4-4491-89a3-8b82ee2059dd [db: observed]
JPL#63 : 7a004bf7-2f45-494f-baba-a3ad93fec7d2 [db: observed]
JPL#63 : aadd876c-3711-4104-8da8-4cfaeeff807b [db: observed]
JPL#63 : cd00030a-12df-481e-a182-30c7c71ca77f [db: observed]

Using prediction 0acf44ce-c0e2-45f6-ac4c-b36827babc5e for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2019-07-07, 00:40 UT (JD = 2458671.528)

DAMITQP (h)λ, βJD0JD-JD0φ0VersionModifiedVol-equiv DCmnt
# 702None15.710 5°, -53° 2.451027e67644.50.0° NoneNone not scaled 2013-02-11
# 703None15.710 176°, -46° 2.451027e67644.50.0° NoneNone not scaled 2013-02-11
Q: model quality flag (0-5, 5=highest) | P: rotation period | λ,β: ecl. lon. and lat. of spin axis (J2000) | JD: initial time (epoch) | φ0: initial rotation angle for JD0

   
Image size: 300px. Transparent image background for copy & paste

Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : 0acf44ce-c0e2-45f6-ac4c-b36827babc5e [observed]

 Occultation Date + Time   : 2019-07-07 at 00:43:20 UT +/- 0.01 min  [1]
 Object Designation        : (257) Silesia
 Orbit Class               : MBA
 Star Designation          : GDR3 4050897090749908736
 Star Coordinates (ICRF)   : RA = 18 12 46.9096, DE = -27 56 00.205  [2]
 Star Magnitudes           : G = 12.94 mag, RP = 12.44 mag, BP = 13.26 mag
 Object Magnitude          : V = 14.68 mag
 Estimated Magnitude Drop  : 1.9 mag
 Estimated Max. Duration   : 5.4 sec
 Object Mean Diameter      : 73 km  (src: astorb)
 Speed of the shadow       : 13.4 km/s
 Elongation to Moon & Sun  : 111° (sunlit = 23%), Sun = 167°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 0.62 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#63

 
 [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)