2023-07-06 / UCAC4 317-174146 / (330798) 2008 UM255
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Marcin Filipek
O-
VID
M400
PL
GPS
20:58:37
20:59:15
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 cf268ce0-ddb3-11f0-547e-1c69df5e3189 for map and profile fit
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Event Details
Occultation UUID [and DB] : cf268ce0-ddb3-11f0-547e-1c69df5e3189 [observed]
Occultation Date + Time : 2023-07-06 at 21:00:46 UT +/- 0.1 min [1]
Object Designation : (330798) 2008 UM255
Orbit Class : MBA
Star Designation : GDR3 4052761484538017408
Star Coordinates (ICRF) : RA = 18 21 15.9800, DE = -26 36 55.287 [2]
Star Magnitudes : G = 11.49 mag, RP = 10.61 mag, BP = 12.31 mag
Object Magnitude : V = 18.84 mag
Estimated Magnitude Drop : 7.4 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 3.1 km (src: astorb)
Speed of the shadow : 11.0 km/s
Elongation to Moon & Sun : 57° (sunlit = 84%), Sun = 170°
Cross-track uncertainty : 25.0 mas = 30 km = 9.94 path-width (1-sig)
RUWE and duplicate source : 0.59 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#32
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)
