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 |
More 3 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction 5b2f1010-ddb7-11f0-547e-dcafcfaa8d01 for map and profile fit
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Event Details
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
(If error 404: link not valid which means no data available)
