2025-09-12 / UCAC4 562-039083 / (31817) 1999 RK134
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Simon Kidd
O+
VID
M350
GB
GPS
02:18:30
02:19:28.87
02:19:29.45
02:20:30
0.080
0.110
0.58
17.3
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 6ae23a50-ddb7-11f0-547e-842dfbbe3e8b for map and profile fit
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Event Details
Occultation UUID [and DB] : 6ae23a50-ddb7-11f0-547e-842dfbbe3e8b [observed]
Occultation Date + Time : 2025-09-12 at 02:22:06 UT +/- 0.0 min [1]
Object Designation : (31817) 1999 RK134
Orbit Class : MBA
Star Designation : GDR3 3367404928735109632
Star Coordinates (ICRF) : RA = 07 10 46.8514, DE = +22 21 39.953 [2]
Star Magnitudes : G = 14.37 mag, RP = 13.88 mag, BP = 14.69 mag
Object Magnitude : V = 18.41 mag
Estimated Magnitude Drop : 4.1 mag
Estimated Max. Duration : 0.5 sec
Object Mean Diameter : 13.3 km (src: astorb)
Speed of the shadow : 29.8 km/s
Elongation to Moon & Sun : 58° (sunlit = 76%), Sun = 63°
Cross-track uncertainty : 0.7 mas = 1 km = 0.14 path-width (1-sig)
RUWE and duplicate source : 1.16 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#49
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)
