2025-09-20 / UCAC4 521-005578 / (32811) Apisaon
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | 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):
| Map with groundtrack and observer stations |
|---|
| Event Details |
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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
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