2023-05-28 / UCAC4 392-063557 / (351) Yrsa
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Arnaud Leroy
O-
VID
M250
FR
GPS
23:25:20
23:28:20
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 9f52bed0-ddb3-11f0-547e-7989e373bdce for map and profile fit
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Event Details
Occultation UUID [and DB] : 9f52bed0-ddb3-11f0-547e-7989e373bdce [observed]
Occultation Date + Time : 2023-05-28 at 23:26:59 UT +/- 0.0 min [1]
Object Designation : (351) Yrsa
Orbit Class : MBA
Star Designation : GDR3 4345985395743621120
Star Coordinates (ICRF) : RA = 15 57 31.3634, DE = -11 43 00.963 [2]
Star Magnitudes : G = 14.57 mag, RP = 13.95 mag, BP = 15.02 mag
Object Magnitude : V = 13.16 mag
Estimated Magnitude Drop : 0.3 mag
Estimated Max. Duration : 3.2 sec
Object Mean Diameter : 39.6 km (src: astorb)
Speed of the shadow : 12.4 km/s
Elongation to Moon & Sun : 67° (sunlit = 63%), Sun = 169°
Cross-track uncertainty : 1.0 mas = 1 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 1.1 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#80
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)
