2026-09-09 / UCAC4 451-115999 / (3685) Derdenye
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show Vitali Nevski
O-
VID
M300
BY
GPS
18:34:20
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::
18:36:20
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 cd9eda00-d9af-11f1-43f3-0a42bffe2548 for map and profile fit
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Event Details
Occultation UUID [and DB] : cd9eda00-d9af-11f1-43f3-0a42bffe2548 [observed]
Occultation Date + Time : 2026-09-09 at 18:46:27 UT +/- 0.02 min [1]
Object Designation : (3685) Derdenye
Orbit Class : MBA
Star Designation : GDR3 4237105947568180992
Star Coordinates (ICRF) : RA = 19 56 34.0459, DE = +00 05 43.281 [2]
Star Magnitudes : G = 13.95 mag, RP = 13.25 mag, BP = 14.5 mag
Object Magnitude : V = 17.48 mag
Estimated Magnitude Drop : 3.6 mag
Estimated Max. Duration : 1.3 sec
Object Mean Diameter : 10.2 km (src: astorb)
Speed of the shadow : 7.7 km/s
Elongation to Moon & Sun : 146° (sunlit = 2%), Sun = 131°
Cross-track uncertainty : 0.4 mas = 0 km = 0.05 path-width (1-sig)
RUWE and duplicate source : 1.31 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL61
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)
