2025-08-26 / UCAC4 311-242427 / (917) Lyka
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Jiri Kubanek |
O+ |
VID |
M303 |
CZ |
GPS |
21:56:23 |
21:57:20.1 |
21:57:25.2 |
21:58:22 |
0.400 |
0.900 |
5.10 |
16.3 |
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] : 53c309d0-ddb7-11f0-547e-021beffa5d74 [observed]
Occultation Date + Time : 2025-08-26 at 21:24:42 UT +/- 0.02 min [1]
Object Designation : (917) Lyka
Orbit Class : MBA
Star Designation : GDR3 6763373928325281664
Star Coordinates (ICRF) : RA = 18 59 30.8697, DE = -27 58 11.327 [2]
Star Magnitudes : G = 13.7 mag, RP = 13.18 mag, BP = 14.04 mag
Object Magnitude : V = 14.62 mag
Estimated Magnitude Drop : 1.3 mag
Estimated Max. Duration : 8.7 sec
Object Mean Diameter : 28.1 km (src: astorb)
Speed of the shadow : 3.2 km/s
Elongation to Moon & Sun : 87° (sunlit = 13%), Sun = 129°
Cross-track uncertainty : 0.4 mas = 0 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#73
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
|
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