Collaborative Occultation Resources and Archive (CORA)


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

2025-01-03 / UCAC4 528-018005 / (33753) 1999 RW42

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Jose Antonio de los Reyes, Sensi Pastor O+ VID M300 ES GPS 21:46:15 21:47:56.17 21:47:57.29 21:49:28 0.08 0.08 1.12 13.6
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: sodis

Available (probably) matching predictions (click on the link to switch):
JPL#43 : a1227ca0-8b93-11ef-78cd-e397bed8e5d6 [db: asteroids]
JPL#43 : daf838e0-8452-11ef-6618-bf21fb7d5d0e [db: asteroids]

Using prediction a1227ca0-8b93-11ef-78cd-e397bed8e5d6 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] : a1227ca0-8b93-11ef-78cd-e397bed8e5d6 [asteroids]

 Occultation Date + Time   : 2025-01-03 at 21:45:02 UT +/- 0.02 min  [1]
 Object Designation        : (33753) 1999 RW42
 Orbit Class               : MBA
 Star Designation          : GDR3 3348029540991567616
 Star Coordinates (ICRF)   : RA = 05 50 45.5269, DE = +15 27 58.408  [2]
 Star Magnitudes           : G = 14.42 mag, RP = 13.67 mag, BP = 14.99 mag
 Object Magnitude          : V = 17.47 mag
 Estimated Magnitude Drop  : 3.1 mag
 Estimated Max. Duration   : 0.9 sec
 Object Mean Diameter      : 11 km  (src: astorb)
 Speed of the shadow       : 12.1 km/s
 Elongation to Moon & Sun  : 113° (sunlit = 18%), Sun = 162°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.16 path-width (1-sig)
 RUWE and duplicate source : 1.0 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#43

 
 [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)