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 |
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1 observation found in db: sodis
Available (probably) matching predictions (click on the link to switch):
| Map with groundtrack and observer stations |
|---|
| Event Details |
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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
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