2026-09-11 / UCAC4 421-134548 / (31497) 1999 CW61
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Tim Haymes
O+
VID
M280
GB
GPS
22:27:30
22:28:36.34
22:28:36.83
22:29:30
0.080
0.110
0.49
2.1
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 fb289100-d9af-11f1-43f3-dc97ffff27c8 for map and profile fit
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Event Details
Occultation UUID [and DB] : fb289100-d9af-11f1-43f3-dc97ffff27c8 [observed]
Occultation Date + Time : 2026-09-11 at 22:33:01 UT +/- 0.0 min [1]
Object Designation : (31497) 1999 CW61
Orbit Class : MBA
Star Designation : GDR3 6908182736424682496
Star Coordinates (ICRF) : RA = 20 39 55.5629, DE = -05 57 07.572 [2]
Star Magnitudes : G = 13.94 mag, RP = 13.25 mag, BP = 14.46 mag
Object Magnitude : V = 17.46 mag
Estimated Magnitude Drop : 3.6 mag
Estimated Max. Duration : 1.2 sec
Object Mean Diameter : 5.0 km (src: astorb)
Speed of the shadow : 4.3 km/s
Elongation to Moon & Sun : 131° (sunlit = 1%), Sun = 140°
Cross-track uncertainty : 1.0 mas = 0 km = 0.20 path-width (1-sig)
RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL47
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)
