Collaborative Occultation
Resources and Archive
CORA

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

2025-08-12 / Other J191222.09-035020.5 / (228139) 2009 RS33

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Vitali Nevski O- VID M300 BY GPS 20:14:50 :: :: 20:16:51
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#28 : 38a9a140-ddb7-11f0-547e-65457d66e628 [db: observed]

Using prediction 38a9a140-ddb7-11f0-547e-65457d66e628 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] : 38a9a140-ddb7-11f0-547e-65457d66e628 [observed]

 Occultation Date + Time   : 2025-08-12 at 20:25:10 UT +/- 0.14 min  [1]
 Object Designation        : (228139) 2009 RS33
 Orbit Class               : MBA
 Star Designation          : GDR3 4212543819894675072
 Star Coordinates (ICRF)   : RA = 19 12 22.0953, DE = -03 50 20.562  [2]
 Star Magnitudes           : G = 12.16 mag, RP = 10.59 mag, BP = 15.77 mag
 Object Magnitude          : V = 19.82 mag
 Estimated Magnitude Drop  : 7.7 mag
 Estimated Max. Duration   : 0.3 sec
 Object Mean Diameter      : 1.90 km  (src: astorb)
 Speed of the shadow       : 7.3 km/s
 Elongation to Moon & Sun  : 77° (sunlit = 85%), Sun = 144°
 Cross-track uncertainty   : 26.7 mas = 29 km = 15.36 path-width (1-sig)
 RUWE and duplicate source : 1.29 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#28
 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
Aladin Lite direct link (has Gaia overlay)