2026-09-20 / TYC 0575-00745-1 / (148171) 1999 YC3
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Michael OConnell
O-
VID
M350
ES
NTP
21:15:58
::
::
21:17:58
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 309584a0-d9b1-11f1-43f3-87d5f4f742c4 for map and profile fit
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Event Details
Occultation UUID [and DB] : 309584a0-d9b1-11f1-43f3-87d5f4f742c4 [observed]
Occultation Date + Time : 2026-09-20 at 21:11:22 UT +/- 0.0 min [1]
Object Designation : (148171) 1999 YC3
Orbit Class : MBA
Star Designation : GDR3 2712542636522531584
Star Coordinates (ICRF) : RA = 22 50 01.0873, DE = +07 19 57.558 [2]
Star Magnitudes : G = 10.78 mag, RP = 10.34 mag, BP = 11.06 mag
Object Magnitude : V = 17.26 mag
Estimated Magnitude Drop : 6.5 mag
Estimated Max. Duration : 0.2 sec
Object Mean Diameter : 2.5 km (src: astorb)
Speed of the shadow : 10.9 km/s
Elongation to Moon & Sun : 59° (sunlit = 69%), Sun = 162°
Cross-track uncertainty : 4.7 mas = 2 km = 1.16 path-width (1-sig)
RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL30
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)
