2026-09-22 / UCAC4 354-111702 / (16393) 1981 QS
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Carsten Ziolek
O-
VID
M356
CH
GPS
18:45:08
::
::
18:47:08
2
show Andreas Schweizer
O-
VID
M250
CH
GPS
18:45:02
::
::
18:47:02
3
show Stefan Meister
O-
VID
M500
CH
GPS
18:45:03
::
::
18:47:03
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 3a29c210-d9b1-11f1-43f3-94e4599f4cc2 for map and profile fit
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Event Details
Occultation UUID [and DB] : 3a29c210-d9b1-11f1-43f3-94e4599f4cc2 [observed]
Occultation Date + Time : 2026-09-22 at 18:45:20 UT +/- 0.0 min [1]
Object Designation : (16393) 1981 QS
Orbit Class : MBA
Star Designation : GDR3 4119492868071998080
Star Coordinates (ICRF) : RA = 17 51 41.1290, DE = -19 22 16.389 [2]
Star Magnitudes : G = 12.87 mag, RP = 12.01 mag, BP = 13.64 mag
Object Magnitude : V = 19.09 mag
Estimated Magnitude Drop : 6.2 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 4.6 km (src: astorb)
Speed of the shadow : 17.1 km/s
Elongation to Moon & Sun : 45° (sunlit = 84%), Sun = 88°
Cross-track uncertainty : 0.2 mas = 0 km = 0.07 path-width (1-sig)
RUWE and duplicate source : 0.82 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL66
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)
