2025-08-31 / TYC 5271-00766-1 / (225820) 2001 WZ87
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Michael Kohl |
O+ |
VID |
M200 |
CH |
GPS |
02:07:22 |
02:08:01.630 |
02:08:01.960 |
02:08:48 |
0.040 |
0.020 |
0.33 |
2.1 |
| 2 |
show |
Andreas Schweizer |
O- |
VID |
M250 |
CH |
GPS |
02:07:37 |
:: |
:: |
02:08:37 |
|
|
|
|
| 3 |
show |
Joachim Siegert |
O- |
VID |
M203 |
DE |
GPS |
02:06:34 |
:: |
:: |
02:08:34 |
|
|
|
|
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
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3 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] : 5b2f1010-ddb7-11f0-547e-dcafcfaa8d01 [observed]
Occultation Date + Time : 2025-08-31 at 02:15:30 UT +/- 0.07 min [1]
Object Designation : (225820) 2001 WZ87
Orbit Class : MBA
Star Designation : GDR3 2374484081322435584
Star Coordinates (ICRF) : RA = 00 37 48.9246, DE = -13 42 15.995 [2]
Star Magnitudes : G = 10.16 mag, RP = 9.66 mag, BP = 10.5 mag
Object Magnitude : V = 19.45 mag
Estimated Magnitude Drop : 9.3 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 1.80 km (src: astorb)
Speed of the shadow : 6.5 km/s
Elongation to Moon & Sun : 114° (sunlit = 48%), Sun = 150°
Cross-track uncertainty : 24.7 mas = 23 km = 12.88 path-width (1-sig)
RUWE and duplicate source : 2.9 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#32
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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