2025-09-16 / UCAC4 509-001175 / (264863) 2002 RN143
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Zdenek Sikac |
O+ |
VID |
T150 |
CZ |
NTP |
19:52:21 |
19:53:17.82 |
19:53:18.10 |
19:54:22 |
0.050 |
0.020 |
0.28 |
3.1 |
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 |
|
Occultation UUID [and DB] : 707cdbf0-ddb7-11f0-547e-fe17efdfe375 [observed]
Occultation Date + Time : 2025-09-16 at 19:50:04 UT +/- 0.08 min [1]
Object Designation : (264863) 2002 RN143
Orbit Class : MBA
Star Designation : GDR3 2775081659614756992
Star Coordinates (ICRF) : RA = 00 47 24.5933, DE = +11 40 00.614 [2]
Star Magnitudes : G = 12.91 mag, RP = 12.25 mag, BP = 13.41 mag
Object Magnitude : V = 20.18 mag
Estimated Magnitude Drop : 7.3 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 2.7 km (src: astorb)
Speed of the shadow : 11.0 km/s
Elongation to Moon & Sun : 99° (sunlit = 25%), Sun = 158°
Cross-track uncertainty : 22.3 mas = 34 km = 12.76 path-width (1-sig)
RUWE and duplicate source : 1.4 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#31
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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