2026-09-02 / UCAC4 365-074780 / (38263) 1999 RC20
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Michael OConnell
O-
VID
M350
ES
NTP
20:46:09
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::
20:48:09
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 9674d7a0-d9af-11f1-43f3-59685d7e28e7 for map and profile fit
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Event Details
Occultation UUID [and DB] : 9674d7a0-d9af-11f1-43f3-59685d7e28e7 [observed]
Occultation Date + Time : 2026-09-02 at 20:45:09 UT +/- 0.04 min [1]
Object Designation : (38263) 1999 RC20
Orbit Class : MBA
Star Designation : GDR3 6249491055671044224
Star Coordinates (ICRF) : RA = 16 17 10.1619, DE = -17 03 32.120 [2]
Star Magnitudes : G = 14.15 mag, RP = 13.41 mag, BP = 14.74 mag
Object Magnitude : V = 20.27 mag
Estimated Magnitude Drop : 6.1 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 5.6 km (src: astorb)
Speed of the shadow : 16.9 km/s
Elongation to Moon & Sun : 163° (sunlit = 66%), Sun = 85°
Cross-track uncertainty : 14.3 mas = 36 km = 6.45 path-width (1-sig)
RUWE and duplicate source : 1.05 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)
