2025-09-29 / UCAC4 605-027034 / (209) Dido
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Zdenek Sikac |
O- |
VID |
T150 |
CZ |
NTP |
02:25:55 |
:: |
:: |
02:27:56 |
|
|
|
|
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 |
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| Event Details |
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Occultation UUID [and DB] : 79120370-ddb8-11f0-547e-2e5afa57d1c4 [observed]
Occultation Date + Time : 2025-09-29 at 02:28:36 UT +/- 0.01 min [1]
Object Designation : (209) Dido
Orbit Class : MBA
Star Designation : GDR3 3444048375318086656
Star Coordinates (ICRF) : RA = 05 54 58.9784, DE = +30 48 46.723 [2]
Star Magnitudes : G = 14.67 mag, RP = 14.03 mag, BP = 15.13 mag
Object Magnitude : V = 14.23 mag
Estimated Magnitude Drop : 0.6 mag
Estimated Max. Duration : 13.6 sec
Object Mean Diameter : 159.9 km (src: astorb)
Speed of the shadow : 11.7 km/s
Elongation to Moon & Sun : 177° (sunlit = 41%), Sun = 97°
Cross-track uncertainty : 0.4 mas = 0 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#138
Note : FP:true
Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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