2026-04-18 / UCAC4 399-050129 / (18047) 1999 RP145
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show
Zdenek Sikac
O+
VID
T150
CZ
GPS
22:27:54
22:28:53.93
22:28:54.77
22:29:54
0.050
0.050
0.84
8.8
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
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1 observation found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction a74a0280-3441-11f1-6999-c9e0ae57edc7 for map and profile fit
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Event Details
Occultation UUID [and DB] : a74a0280-3441-11f1-6999-c9e0ae57edc7 [asteroids]
Occultation Date + Time : 2026-04-18 at 22:28:11 UT +/- 0.01 min [1]
Object Designation : (18047) 1999 RP145
Orbit Class : MBA
Star Designation : GDR3 3589786378131516672
Star Coordinates (ICRF) : RA = 11 23 49.5267, DE = -10 18 26.513 [2]
Star Magnitudes : G = 13.13 mag, RP = 12.61 mag, BP = 13.49 mag
Object Magnitude : V = 17.93 mag
Estimated Magnitude Drop : 4.8 mag
Estimated Max. Duration : 1.0 sec
Object Mean Diameter : 10.0 km (src: astorb)
Speed of the shadow : 10.5 km/s
Elongation to Moon & Sun : 127° (sunlit = 3%), Sun = 145°
Cross-track uncertainty : 1.3 mas = 2 km = 0.24 path-width (1-sig)
RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#57
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)