2023-08-19 / UCAC4 423-137619 / (282198) 2001 UM166
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Peter Delincak |
O- |
VID |
M400 |
SK |
NTP |
21:34:16 |
|
|
21:38:25 |
|
|
|
|
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):
| Map with groundtrack and observer stations |
|---|
| Event Details |
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Occultation UUID [and DB] : f05c9850-ddb3-11f0-547e-4cbafd6fa2a3 [observed]
Occultation Date + Time : 2023-08-19 at 21:36:53 UT +/- 0.04 min [1]
Object Designation : (282198) 2001 UM166
Orbit Class : JTRO
Star Designation : GDR3 2671285769087860608
Star Coordinates (ICRF) : RA = 21 37 10.8118, DE = -05 29 57.095 [2]
Star Magnitudes : G = 13.9 mag, RP = 13.36 mag, BP = 14.27 mag
Object Magnitude : V = 19.63 mag
Estimated Magnitude Drop : 5.7 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 9.8 km (src: astorb)
Speed of the shadow : 16.3 km/s
Elongation to Moon & Sun : 139° (sunlit = 11%), Sun = 172°
Cross-track uncertainty : 5.3 mas = 16 km = 1.65 path-width (1-sig)
RUWE and duplicate source : 0.98 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#39
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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