2025-12-07 / UCAC4 460-019993 / (211730) 2003 YR101
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Antoni Selva, Carlos Perello
O+
VID
M500
ES
GPS
23:52:33
23:53:33.15
23:53:33.47
23:54:33
0.020
0.020
0.32
3.7
2
show Jordi Marco
O-
CCD
M235
ES
NTP
23:51:47
::
::
23:55:15
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
More 2 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction cfd10b70-ddb8-11f0-547e-18ced76f37b9 for map and profile fit
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Event Details
Occultation UUID [and DB] : cfd10b70-ddb8-11f0-547e-18ced76f37b9 [observed]
Occultation Date + Time : 2025-12-07 at 23:48:15 UT +/- 0.02 min [1]
Object Designation : (211730) 2003 YR101
Orbit Class : MBA
Star Designation : GDR3 3120905348187093504
Star Coordinates (ICRF) : RA = 06 36 00.6147, DE = +01 52 41.541 [2]
Star Magnitudes : G = 12.0 mag, RP = 11.51 mag, BP = 12.32 mag
Object Magnitude : V = 18.72 mag
Estimated Magnitude Drop : 6.7 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 3.8 km (src: astorb)
Speed of the shadow : 11.5 km/s
Elongation to Moon & Sun : 31° (sunlit = 87%), Sun = 149°
Cross-track uncertainty : 3.7 mas = 4 km = 1.20 path-width (1-sig)
RUWE and duplicate source : 3.13 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#37
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)
