2026-08-19 / UCAC4 513-001035 / (256415) 2007 BT9
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Anton Zhdanov
O-
VID
M200
RU
NTP
22:51:34
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22:53:34
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 3ab58eb0-d9ae-11f1-43f3-604dddbfeec2 for map and profile fit
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Event Details
Occultation UUID [and DB] : 3ab58eb0-d9ae-11f1-43f3-604dddbfeec2 [observed]
Occultation Date + Time : 2026-08-19 at 22:40:49 UT +/- 0.2 min [1]
Object Designation : (256415) 2007 BT9
Orbit Class : MBA
Star Designation : GDR3 2775841147271587072
Star Coordinates (ICRF) : RA = 00 37 39.3540, DE = +12 28 34.286 [2]
Star Magnitudes : G = 13.13 mag, RP = 12.63 mag, BP = 13.46 mag
Object Magnitude : V = 20.73 mag
Estimated Magnitude Drop : 7.6 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 2.1 km (src: astorb)
Speed of the shadow : 5.9 km/s
Elongation to Moon & Sun : 139° (sunlit = 49%), Sun = 133°
Cross-track uncertainty : 28.7 mas = 42 km = 20.10 path-width (1-sig)
RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL23
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)
