2026-09-13 / UCAC4 497-105075 / (306497) 1999 UC17
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Michael OConnell
O-
VID
M350
ES
NTP
22:28:02
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::
22:30:02
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 536a8f80-d9b0-11f1-43f3-e627eabbf87b for map and profile fit
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Event Details
Occultation UUID [and DB] : 536a8f80-d9b0-11f1-43f3-e627eabbf87b [observed]
Occultation Date + Time : 2026-09-13 at 22:29:57 UT +/- 0.07 min [1]
Object Designation : (306497) 1999 UC17
Orbit Class : MBA
Star Designation : GDR3 4308427654786221952
Star Coordinates (ICRF) : RA = 19 26 56.1578, DE = +09 23 26.541 [2]
Star Magnitudes : G = 13.12 mag, RP = 12.02 mag, BP = 14.38 mag
Object Magnitude : V = 17.67 mag
Estimated Magnitude Drop : 4.6 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 3.6 km (src: astorb)
Speed of the shadow : 13.7 km/s
Elongation to Moon & Sun : 92° (sunlit = 9%), Sun = 119°
Cross-track uncertainty : 12.0 mas = 9 km = 2.65 path-width (1-sig)
RUWE and duplicate source : 1.12 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL34
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)
