2026-02-09 / UCAC4 475-012225 / (218) Bianca
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Wojciech Burzynski
O-
VID
T600
PL
GPS
20:39:34
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::
20:41:08
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 ed021910-de6b-11f0-4858-60aaf4fb91a0 for map and profile fit
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Event Details
Occultation UUID [and DB] : ed021910-de6b-11f0-4858-60aaf4fb91a0 [asteroids]
Occultation Date + Time : 2026-02-09 at 20:31:12 UT +/- 0.07 min [1]
Object Designation : (218) Bianca
Orbit Class : MBA
Star Designation : GDR3 3320652629169051264
Star Coordinates (ICRF) : RA = 05 38 32.3215, DE = +04 50 29.875 [2]
Star Magnitudes : G = 14.86 mag, RP = 14.16 mag, BP = 15.4 mag
Object Magnitude : V = 13.39 mag
Estimated Magnitude Drop : 0.3 mag
Estimated Max. Duration : 7.7 sec
Object Mean Diameter : 60.6 km (src: astorb)
Speed of the shadow : 7.9 km/s
Elongation to Moon & Sun : 142° (sunlit = 47%), Sun = 121°
Cross-track uncertainty : 0.4 mas = 0 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.04 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#126
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)
