2026-09-08 / UCAC4 553-050117 / (20716) 1999 XG91
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Peter Nosal, Paula Libic
O+
VID
M200
SK
NTP
18:40:38
18:41:07.350
18:41:07.950
18:41:46
0.100
0.100
0.60
24.1
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 2ef9cb70-d9b0-11f1-43f3-f7b3ded5eee1 for map and profile fit
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Event Details
Occultation UUID [and DB] : 2ef9cb70-d9b0-11f1-43f3-f7b3ded5eee1 [observed]
Occultation Date + Time : 2026-09-08 at 18:40:28 UT +/- 0.02 min [1]
Object Designation : (20716) 1999 XG91
Orbit Class : JTRO
Star Designation : GDR3 3949251157709785216
Star Coordinates (ICRF) : RA = 12 37 03.6644, DE = +20 28 31.058 [2]
Star Magnitudes : G = 13.29 mag, RP = 12.65 mag, BP = 13.77 mag
Object Magnitude : V = 19.85 mag
Estimated Magnitude Drop : 6.6 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 17.4 km (src: astorb)
Speed of the shadow : 40.2 km/s
Elongation to Moon & Sun : 48° (sunlit = 7%), Sun = 26°
Cross-track uncertainty : 2.3 mas = 11 km = 0.65 path-width (1-sig)
RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL52
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)
