2026-09-22 / UCAC4 548-010870 / (170597) 2003 YA20
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Jean-Francois Pittet
O-
VID
M254
DE
GPS
22:48:10
::
::
22:49:10
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 4930a6c0-d9b1-11f1-43f3-71aa47fd7421 for map and profile fit
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Event Details
Occultation UUID [and DB] : 4930a6c0-d9b1-11f1-43f3-71aa47fd7421 [observed]
Occultation Date + Time : 2026-09-22 at 22:55:05 UT +/- 0.08 min [1]
Object Designation : (170597) 2003 YA20
Orbit Class : MBA
Star Designation : GDR3 3410212004483600512
Star Coordinates (ICRF) : RA = 04 46 46.7640, DE = +19 34 56.353 [2]
Star Magnitudes : G = 12.49 mag, RP = 11.72 mag, BP = 13.12 mag
Object Magnitude : V = 20.55 mag
Estimated Magnitude Drop : 8.1 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 2.4 km (src: astorb)
Speed of the shadow : 8.6 km/s
Elongation to Moon & Sun : 118° (sunlit = 85%), Sun = 107°
Cross-track uncertainty : 14.3 mas = 22 km = 9.29 path-width (1-sig)
RUWE and duplicate source : 1.07 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL37
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)
