Collaborative Occultation
Resources and Archive
CORA

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

2025-09-20 / UCAC4 521-005578 / (32811) Apisaon

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Stefan Meister O- VID M200 CH GPS 23:23:33 :: :: 23:24:18
2 show Martin Gutekunst O- VID L280 DE GPS 23:23:12 :: :: 23:24:39
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

2 observations found in db: sodis

Available (probably) matching predictions (click on the link to switch):
JPL#53 : 6d715430-ddb8-11f0-547e-4d9cf5dfa585 [db: observed]

Using prediction 6d715430-ddb8-11f0-547e-4d9cf5dfa585 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] : 6d715430-ddb8-11f0-547e-4d9cf5dfa585 [observed]

 Occultation Date + Time   : 2025-09-20 at 23:16:41 UT +/- 0.07 min  [1]
 Object Designation        : (32811) Apisaon
 Orbit Class               : JTRO
 Star Designation          : GDR3 0029810788181850880
 Star Coordinates (ICRF)   : RA = 03 12 01.9286, DE = +14 04 53.862  [2]
 Star Magnitudes           : G = 14.82 mag, RP = 14.17 mag, BP = 15.32 mag
 Object Magnitude          : V = 19.16 mag
 Estimated Magnitude Drop  : 4.4 mag
 Estimated Max. Duration   : 2.3 sec
 Object Mean Diameter      : 18.5 km  (src: astorb)
 Speed of the shadow       : 8.1 km/s
 Elongation to Moon & Sun  : 119° (sunlit = 1%), Sun = 129°
 Cross-track uncertainty   : 6.7 mas = 24 km = 1.31 path-width (1-sig)
 RUWE and duplicate source : 1.15 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#53
 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)