2026-08-17 / UCAC4 613-019705 / (31227) 1998 BC41
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Michael OConnell
O+
VID
M350
ES
NTP
04:32:04
04:33:04.33
04:33:04.52
04:34:04
0.090
0.090
0.19
5.2
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 ff7540c0-d9ad-11f1-43f3-e85470ffe357 for map and profile fit
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Event Details
Occultation UUID [and DB] : ff7540c0-d9ad-11f1-43f3-e85470ffe357 [observed]
Occultation Date + Time : 2026-08-17 at 04:35:10 UT +/- 0.0 min [1]
Object Designation : (31227) 1998 BC41
Orbit Class : MBA
Star Designation : GDR3 0181423507392371712
Star Coordinates (ICRF) : RA = 05 13 19.8775, DE = +32 29 34.608 [2]
Star Magnitudes : G = 14.16 mag, RP = 13.6 mag, BP = 14.54 mag
Object Magnitude : V = 18.13 mag
Estimated Magnitude Drop : 4.0 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 11.7 km (src: astorb)
Speed of the shadow : 27.5 km/s
Elongation to Moon & Sun : 121° (sunlit = 23%), Sun = 65°
Cross-track uncertainty : 0.2 mas = 0 km = 0.04 path-width (1-sig)
RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL69
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)
