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):
Using prediction 53c309d0-ddb7-11f0-547e-021beffa5d74 for map and profile fit
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Event Details
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
(If error 404: link not valid which means no data available)
