2023-07-08 / UCAC4 403-079824 / (2187) La Silla
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Peter Delincak |
O- |
VID |
M400 |
SK |
NTP |
21:42:17 |
|
|
21:46:26 |
|
|
|
|
| 2 |
show |
Daniel Blazewicz |
O- |
VID |
M350 |
PL |
GPS |
21:42:50 |
|
|
21:45:27 |
|
|
|
|
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More
2 observations 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] : c99c6600-ddb3-11f0-547e-18f7defe6248 [observed]
Occultation Date + Time : 2023-07-08 at 21:39:32 UT +/- 0.0 min [1]
Object Designation : (2187) La Silla
Orbit Class : MBA
Star Designation : GDR3 4157633762547582208
Star Coordinates (ICRF) : RA = 18 19 40.7902, DE = -09 28 02.630 [2]
Star Magnitudes : G = 14.67 mag, RP = 13.91 mag, BP = 15.28 mag
Object Magnitude : V = 16.88 mag
Estimated Magnitude Drop : 2.3 mag
Estimated Max. Duration : 0.6 sec
Object Mean Diameter : 6.4 km (src: astorb)
Speed of the shadow : 10.7 km/s
Elongation to Moon & Sun : 87° (sunlit = 63%), Sun = 162°
Cross-track uncertainty : 0.2 mas = 0 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 1.14 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#65
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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