2026-09-15 / UCAC4 321-208760 / (85312) 1994 YB1
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Simon Kidd
O+
VID
M250
GB
GPS
20:27:13
20:28:12.84
20:28:15.05
20:29:14
0.060
0.060
2.21
8.4
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 81fe6380-d9b0-11f1-43f3-495dfeef9fb5 for map and profile fit
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Event Details
Occultation UUID [and DB] : 81fe6380-d9b0-11f1-43f3-495dfeef9fb5 [observed]
Occultation Date + Time : 2026-09-15 at 20:32:12 UT +/- 0.09 min [1]
Object Designation : (85312) 1994 YB1
Orbit Class : MBA
Star Designation : GDR3 4073704599687557376
Star Coordinates (ICRF) : RA = 18 59 29.4244, DE = -25 56 50.767 [2]
Star Magnitudes : G = 12.64 mag, RP = 11.84 mag, BP = 13.31 mag
Object Magnitude : V = 19.91 mag
Estimated Magnitude Drop : 7.3 mag
Estimated Max. Duration : 1.2 sec
Object Mean Diameter : 4.7 km (src: astorb)
Speed of the shadow : 3.8 km/s
Elongation to Moon & Sun : 54° (sunlit = 23%), Sun = 110°
Cross-track uncertainty : 1.3 mas = 2 km = 0.54 path-width (1-sig)
RUWE and duplicate source : 1.23 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL43
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)
