2025-10-19 / UCAC4 614-014135 / (84261) 2002 SD51
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Michal Rottenborn
O+
VID
M254
CZ
GPS
00:03:06
00:04:05.910
00:04:06.380
00:05:06
0.030
0.050
0.47
6.9
2
show Jiri Polak
O-
VID
M300
CZ
NTP
00:02:35
::
::
00:05:35
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More 2 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction 96a593c0-ddb8-11f0-547e-dfa1efeffe37 for map and profile fit
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Event Details
Occultation UUID [and DB] : 96a593c0-ddb8-11f0-547e-dfa1efeffe37 [observed]
Occultation Date + Time : 2025-10-19 at 00:01:09 UT +/- 0.02 min [1]
Object Designation : (84261) 2002 SD51
Orbit Class : MBA
Star Designation : GDR3 0172482454930199936
Star Coordinates (ICRF) : RA = 04 25 46.5616, DE = +32 45 44.215 [2]
Star Magnitudes : G = 13.61 mag, RP = 12.69 mag, BP = 14.5 mag
Object Magnitude : V = 18.12 mag
Estimated Magnitude Drop : 4.5 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 4.3 km (src: astorb)
Speed of the shadow : 14.6 km/s
Elongation to Moon & Sun : 108° (sunlit = 6%), Sun = 135°
Cross-track uncertainty : 4.7 mas = 5 km = 1.18 path-width (1-sig)
RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#44
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)
