2026-08-22 / UCAC4 385-161216 / (117165) 2004 RZ4
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Peter Delincak
O-
VID
M400
SK
NTP
22:20:22
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::
22:23:41
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 64cb7bb0-d9ae-11f1-43f3-30dff9be3a12 for map and profile fit
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Event Details
Occultation UUID [and DB] : 64cb7bb0-d9ae-11f1-43f3-30dff9be3a12 [observed]
Occultation Date + Time : 2026-08-22 at 22:27:33 UT +/- 0.03 min [1]
Object Designation : (117165) 2004 RZ4
Orbit Class : MBA
Star Designation : GDR3 2409231603697474944
Star Coordinates (ICRF) : RA = 23 22 33.7981, DE = -13 09 51.809 [2]
Star Magnitudes : G = 14.3 mag, RP = 13.73 mag, BP = 14.71 mag
Object Magnitude : V = 18.77 mag
Estimated Magnitude Drop : 4.5 mag
Estimated Max. Duration : 0.3 sec
Object Mean Diameter : 3.0 km (src: astorb)
Speed of the shadow : 10.5 km/s
Elongation to Moon & Sun : 75° (sunlit = 76%), Sun = 162°
Cross-track uncertainty : 2.3 mas = 2 km = 0.85 path-width (1-sig)
RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL42
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)
