2024-11-28 / UCAC4 556-041618 / (140) Siwa
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Faustino Garcia |
O+ |
VID |
T250 |
ES |
GPS |
02:50:11 |
02:51:34.86 |
02:51:49.02 |
02:53:11 |
0.1 |
0.1 |
14.16 |
100.5 |
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 |
|
Occultation UUID [and DB] : ac570ad0-ddb5-11f0-547e-61cefe76b52e [observed]
Occultation Date + Time : 2024-11-28 at 02:48:19 UT +/- 0.01 min [1]
Object Designation : (140) Siwa
Orbit Class : MBA
Star Designation : GDR3 0865268582514916864
Star Coordinates (ICRF) : RA = 07 35 50.6380, DE = +21 03 44.506 [2]
Star Magnitudes : G = 13.27 mag, RP = 12.78 mag, BP = 13.59 mag
Object Magnitude : V = 13.73 mag
Estimated Magnitude Drop : 1.0 mag
Estimated Max. Duration : 15.6 sec
Object Mean Diameter : 109.8 km (src: astorb)
Speed of the shadow : 7.1 km/s
Elongation to Moon & Sun : 99° (sunlit = 9%), Sun = 134°
Cross-track uncertainty : 1.0 mas = 1 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.13 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#187
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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