2026-09-19 / UCAC4 380-165645 / (31087) Oirase
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Jiri Kubanek
O+
VID
M303
CZ
GPS
00:14:28
00:14:49.810
00:14:50.580
00:15:54
0.070
0.070
0.77
6.9
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 d86b53e0-d9b0-11f1-43f3-e55ebffb01f1 for map and profile fit
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Event Details
Occultation UUID [and DB] : d86b53e0-d9b0-11f1-43f3-e55ebffb01f1 [observed]
Occultation Date + Time : 2026-09-19 at 00:20:08 UT +/- 0.02 min [1]
Object Designation : (31087) Oirase
Orbit Class : MBA
Star Designation : GDR3 6840299713159040640
Star Coordinates (ICRF) : RA = 21 51 55.3008, DE = -14 07 13.274 [2]
Star Magnitudes : G = 12.33 mag, RP = 11.86 mag, BP = 12.63 mag
Object Magnitude : V = 18.47 mag
Estimated Magnitude Drop : 6.1 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 5.4 km (src: astorb)
Speed of the shadow : 9.0 km/s
Elongation to Moon & Sun : 58° (sunlit = 52%), Sun = 149°
Cross-track uncertainty : 3.3 mas = 4 km = 0.88 path-width (1-sig)
RUWE and duplicate source : 1.35 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL46
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)
