2026-10-16 / UCAC4 552-010960 / (4617) Zadunaisky
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Jocelyn Sérot
O+
VID
T280
FR
GPS
22:06:42
22:07:08.70
22:07:12.60
22:07:35
0.100
0.100
3.90
28.1
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 f3c31da0-d9b3-11f1-43f3-778f34feee91 for map and profile fit
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Event Details
Occultation UUID [and DB] : f3c31da0-d9b3-11f1-43f3-778f34feee91 [observed]
Occultation Date + Time : 2026-10-16 at 22:11:24 UT +/- 0.02 min [1]
Object Designation : (4617) Zadunaisky
Orbit Class : MBA
Star Designation : GDR3 3410278013836999680
Star Coordinates (ICRF) : RA = 04 47 55.0326, DE = +20 18 22.530 [2]
Star Magnitudes : G = 13.64 mag, RP = 12.75 mag, BP = 14.46 mag
Object Magnitude : V = 16.61 mag
Estimated Magnitude Drop : 3.0 mag
Estimated Max. Duration : 4.0 sec
Object Mean Diameter : 29.0 km (src: astorb)
Speed of the shadow : 7.2 km/s
Elongation to Moon & Sun : 158° (sunlit = 34%), Sun = 130°
Cross-track uncertainty : 0.7 mas = 1 km = 0.04 path-width (1-sig)
RUWE and duplicate source : 1.07 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL79
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)
