2025-04-13 / TYC 5544-00242-1 / (140618) 2001 UC9
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Alex Pratt
O-
VID
M280
GB
GPS
21:12:58
21:14:03
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 73bf0410-ddb6-11f0-547e-8ef8e7e78f2e for map and profile fit
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Event Details
Occultation UUID [and DB] : 73bf0410-ddb6-11f0-547e-8ef8e7e78f2e [observed]
Occultation Date + Time : 2025-04-13 at 21:09:49 UT +/- 0.02 min [1]
Object Designation : (140618) 2001 UC9
Orbit Class : MBA
Star Designation : GDR3 3625366226513061120
Star Coordinates (ICRF) : RA = 13 18 55.2983, DE = -07 37 35.634 [2]
Star Magnitudes : G = 12.0 mag, RP = 11.47 mag, BP = 12.36 mag
Object Magnitude : V = 19.02 mag
Estimated Magnitude Drop : 7.0 mag
Estimated Max. Duration : 0.2 sec
Object Mean Diameter : 3.0 km (src: astorb)
Speed of the shadow : 12.7 km/s
Elongation to Moon & Sun : 13° (sunlit = 99%), Sun = 177°
Cross-track uncertainty : 9.3 mas = 12 km = 4.12 path-width (1-sig)
RUWE and duplicate source : 1.04 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#36
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)
