2024-12-27 / UCAC4 525-032955 / (16831) 1997 WM21
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Marcin Filipek |
O+ |
VID |
M400 |
PL |
GPS |
03:22:20 |
03:22:30.70 |
03:22:31.04 |
03:22:40 |
0.02 |
0.02 |
0.34 |
2.7 |
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] : d5d2dab0-ddb5-11f0-547e-4ab8ffffbd21 [observed]
Occultation Date + Time : 2024-12-27 at 03:31:35 UT +/- 0.01 min [1]
Object Designation : (16831) 1997 WM21
Orbit Class : MBA
Star Designation : GDR3 3357462693623535488
Star Coordinates (ICRF) : RA = 06 45 36.6064, DE = +14 55 17.708 [2]
Star Magnitudes : G = 12.85 mag, RP = 12.32 mag, BP = 13.21 mag
Object Magnitude : V = 15.92 mag
Estimated Magnitude Drop : 3.1 mag
Estimated Max. Duration : 0.7 sec
Object Mean Diameter : 5.3 km (src: astorb)
Speed of the shadow : 7.9 km/s
Elongation to Moon & Sun : 129° (sunlit = 14%), Sun = 170°
Cross-track uncertainty : 0.7 mas = 0 km = 0.10 path-width (1-sig)
RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#56
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
|
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