2026-07-04 / UCAC4 410-096753 / (246944) 1999 RD109
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Antoni Selva, Carlos Perello
O-
VID
M500
ES
GPS
22:29:46
::
::
22:31:46
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 5158cab0-d9a9-11f1-43f3-6553efb5ebe7 for map and profile fit
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Event Details
Occultation UUID [and DB] : 5158cab0-d9a9-11f1-43f3-6553efb5ebe7 [observed]
Occultation Date + Time : 2026-07-04 at 22:07:43 UT +/- 0.09 min [1]
Object Designation : (246944) 1999 RD109
Orbit Class : MBA
Star Designation : GDR3 4251974643408352768
Star Coordinates (ICRF) : RA = 18 51 01.8083, DE = -08 06 08.942 [2]
Star Magnitudes : G = 15.75 mag, RP = 14.81 mag, BP = 16.68 mag
Object Magnitude : V = 18.7 mag
Estimated Magnitude Drop : 3.0 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 2.1 km (src: astorb)
Speed of the shadow : 8.0 km/s
Elongation to Moon & Sun : 56° (sunlit = 79%), Sun = 165°
Cross-track uncertainty : 27.7 mas = 24 km = 11.62 path-width (1-sig)
RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL29
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)
