2026-10-30 / UCAC4 499-003722 / (23021) 1999 WR3
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Stefano Sposetti
O-
VID
M420
CH
GPS
21:56:02
::
::
21:58:10
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):
Using prediction 3bb87b90-d9b5-11f1-43f3-4681f93f927d for map and profile fit
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Event Details
Occultation UUID [and DB] : 3bb87b90-d9b5-11f1-43f3-4681f93f927d [observed]
Occultation Date + Time : 2026-10-30 at 21:56:14 UT +/- 0.01 min [1]
Object Designation : (23021) 1999 WR3
Orbit Class : MBA
Star Designation : GDR3 0023330850762999808
Star Coordinates (ICRF) : RA = 02 34 49.9312, DE = +09 44 38.504 [2]
Star Magnitudes : G = 14.9 mag, RP = 14.36 mag, BP = 15.27 mag
Object Magnitude : V = 17.19 mag
Estimated Magnitude Drop : 2.4 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 5.0 km (src: astorb)
Speed of the shadow : 9.9 km/s
Elongation to Moon & Sun : 63° (sunlit = 72%), Sun = 174°
Cross-track uncertainty : 2.0 mas = 2 km = 0.42 path-width (1-sig)
RUWE and duplicate source : 1.2 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL50
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)
