2025-11-21 / UCAC4 558-017311 / (116557) 2004 BC80
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Deborah Smith
O-
VID
M300
ES
GPS
05:22:30
::
::
05:24:30
2
show Deborah Smith
O-
VID
M235
ES
NTP
05:22:36
::
::
05:24:37
3
show Deborah Smith, Eric Smith
O-
VID
M150
ES
GPS
05:22:35
::
::
05:24:35
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More 3 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction bd0b22f0-ddb8-11f0-547e-ae9ff6fdd54f for map and profile fit
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Event Details
Occultation UUID [and DB] : bd0b22f0-ddb8-11f0-547e-ae9ff6fdd54f [observed]
Occultation Date + Time : 2025-11-21 at 05:32:47 UT +/- 0.12 min [1]
Object Designation : (116557) 2004 BC80
Orbit Class : MBA
Star Designation : GDR3 3403652322411491072
Star Coordinates (ICRF) : RA = 05 32 51.8891, DE = +21 24 49.937 [2]
Star Magnitudes : G = 14.04 mag, RP = 13.0 mag, BP = 14.31 mag
Object Magnitude : V = 19.45 mag
Estimated Magnitude Drop : 5.4 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 2.6 km (src: astorb)
Speed of the shadow : 7.8 km/s
Elongation to Moon & Sun : 164° (sunlit = 1%), Sun = 155°
Cross-track uncertainty : 26.1 mas = 31 km = 12.24 path-width (1-sig)
RUWE and duplicate source : 17.68 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#40
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)
