2026-09-11 / UCAC4 340-144915 / (738) Alagasta
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Matthieu Conjat
O+
VID
T400
FR
GPS
19:24:52
19:27:05.0
19:27:12.8
19:28:25
0.800
0.800
7.80
61.6
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 f343ff60-d9af-11f1-43f3-3b57e9ea06da for map and profile fit
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Event Details
Occultation UUID [and DB] : f343ff60-d9af-11f1-43f3-3b57e9ea06da [observed]
Occultation Date + Time : 2026-09-11 at 19:26:44 UT +/- 0.01 min [1]
Object Designation : (738) Alagasta
Orbit Class : MBA
Star Designation : GDR3 4090162643841924352
Star Coordinates (ICRF) : RA = 18 26 48.7184, DE = -22 02 29.383 [2]
Star Magnitudes : G = 15.12 mag, RP = 14.14 mag, BP = 16.01 mag
Object Magnitude : V = 15.5 mag
Estimated Magnitude Drop : 1.0 mag
Estimated Max. Duration : 8.0 sec
Object Mean Diameter : 62.8 km (src: astorb)
Speed of the shadow : 7.9 km/s
Elongation to Moon & Sun : 99° (sunlit = 1%), Sun = 107°
Cross-track uncertainty : 0.4 mas = 0 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 0.93 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL87
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)
