2025-08-25 / UCAC4 485-003227 / (99148) 2001 FO121
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Andreas Schweizer
O-
VID
M250
CH
GPS
00:30:53
::
::
00:31:53
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 5115eb30-ddb7-11f0-547e-97f4df5f0a06 for map and profile fit
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Event Details
Occultation UUID [and DB] : 5115eb30-ddb7-11f0-547e-97f4df5f0a06 [observed]
Occultation Date + Time : 2025-08-25 at 00:22:09 UT +/- 0.04 min [1]
Object Designation : (99148) 2001 FO121
Orbit Class : MBA
Star Designation : GDR3 2520616495278044928
Star Coordinates (ICRF) : RA = 02 17 31.6374, DE = +06 49 07.296 [2]
Star Magnitudes : G = 13.74 mag, RP = 13.08 mag, BP = 14.25 mag
Object Magnitude : V = 19.52 mag
Estimated Magnitude Drop : 5.8 mag
Estimated Max. Duration : 1.0 sec
Object Mean Diameter : 3.6 km (src: astorb)
Speed of the shadow : 3.6 km/s
Elongation to Moon & Sun : 138° (sunlit = 3%), Sun = 117°
Cross-track uncertainty : 2.3 mas = 3 km = 0.94 path-width (1-sig)
RUWE and duplicate source : 1.07 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#48
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)
