2023-05-07 / UCAC4 614-042424 / (11987) Yonematsu
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Ferran Casarramona
O+
VID
M200
ES
GPS
22:02:02
22:04:10.62
22:04:10.78
22:06:02
0.04
0.04
0.16
4.5
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 95294640-ddb3-11f0-547e-4c29cf96d8a0 for map and profile fit
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Event Details
Occultation UUID [and DB] : 95294640-ddb3-11f0-547e-4c29cf96d8a0 [observed]
Occultation Date + Time : 2023-05-07 at 22:04:50 UT +/- 0.0 min [1]
Object Designation : (11987) Yonematsu
Orbit Class : MBA
Star Designation : GDR3 0881200123748770816
Star Coordinates (ICRF) : RA = 08 02 25.1188, DE = +32 43 37.123 [2]
Star Magnitudes : G = 14.32 mag, RP = 13.75 mag, BP = 14.56 mag
Object Magnitude : V = 18.2 mag
Estimated Magnitude Drop : 3.9 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 8.3 km (src: astorb)
Speed of the shadow : 27.9 km/s
Elongation to Moon & Sun : 139° (sunlit = 94%), Sun = 69°
Cross-track uncertainty : 0.3 mas = 0 km = 0.07 path-width (1-sig)
RUWE and duplicate source : 2.83 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#56
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)
