2025-04-17 / UCAC4 486-053895 / (239837) 1999 FX90
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Wolfgang Beisker
O-
VID
M360
PT
GPS
22:25:15
22:26:05
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 7853ce70-ddb6-11f0-547e-708dbaff7b19 for map and profile fit
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Event Details
Occultation UUID [and DB] : 7853ce70-ddb6-11f0-547e-708dbaff7b19 [observed]
Occultation Date + Time : 2025-04-17 at 22:22:43 UT +/- 0.11 min [1]
Object Designation : (239837) 1999 FX90
Orbit Class : MBA
Star Designation : GDR3 3910006151739810688
Star Coordinates (ICRF) : RA = 11 41 43.3676, DE = +07 00 25.811 [2]
Star Magnitudes : G = 13.93 mag, RP = 13.25 mag, BP = 14.38 mag
Object Magnitude : V = 21.17 mag
Estimated Magnitude Drop : 7.2 mag
Estimated Max. Duration : 0.2 sec
Object Mean Diameter : 1.70 km (src: astorb)
Speed of the shadow : 7.7 km/s
Elongation to Moon & Sun : 89° (sunlit = 80%), Sun = 145°
Cross-track uncertainty : 23.0 mas = 35 km = 20.65 path-width (1-sig)
RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#23
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)
