2026-10-15 / UCAC4 563-019882 / (1909) Alekhin
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Jocelyn Sérot
O+
VID
M280
FR
NTP
04:51:31
04:51:55.48
04:52:01.69
04:52:31
0.050
0.100
6.21
13.0
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 d1d9eed0-d9b3-11f1-43f3-af2f3f728709 for map and profile fit
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Event Details
Occultation UUID [and DB] : d1d9eed0-d9b3-11f1-43f3-af2f3f728709 [observed]
Occultation Date + Time : 2026-10-15 at 04:55:21 UT +/- 0.01 min [1]
Object Designation : (1909) Alekhin
Orbit Class : MBA
Star Designation : GDR3 3403500074408993152
Star Coordinates (ICRF) : RA = 05 45 02.2323, DE = +22 35 02.020 [2]
Star Magnitudes : G = 12.93 mag, RP = 12.45 mag, BP = 13.23 mag
Object Magnitude : V = 18.04 mag
Estimated Magnitude Drop : 5.1 mag
Estimated Max. Duration : 8.4 sec
Object Mean Diameter : 17.4 km (src: astorb)
Speed of the shadow : 2.1 km/s
Elongation to Moon & Sun : 166° (sunlit = 19%), Sun = 115°
Cross-track uncertainty : 0.2 mas = 0 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 1.6 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL74
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)
