2025-09-17 / UCAC4 342-173359 / (4306) Dunaevskij
# OBS Observer Occ Meth. Instr. CC
TSRC UT1 UT2 UT3 UT4 UT2E UT3E Dur. Chrd
1
show
Gonzalo Arraras
O+
CCD
M200
ES
GPS
19:33:29
19:35:27.99
19:35:30.06
19:37:27
0.170
0.170
2.07
18.0
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 73683c10-ddb7-11f0-547e-7a05a32f172d for map and profile fit
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Event Details
Occultation UUID [and DB] : 73683c10-ddb7-11f0-547e-7a05a32f172d [observed]
Occultation Date + Time : 2025-09-17 at 19:34:57 UT +/- 0.01 min [1]
Object Designation : (4306) Dunaevskij
Orbit Class : MBA
Star Designation : GDR3 4081786942181716352
Star Coordinates (ICRF) : RA = 19 00 05.8397, DE = -21 40 04.298 [2]
Star Magnitudes : G = 13.82 mag, RP = 13.21 mag, BP = 14.26 mag
Object Magnitude : V = 17.62 mag
Estimated Magnitude Drop : 3.8 mag
Estimated Max. Duration : 1.1 sec
Object Mean Diameter : 9.4 km (src: astorb)
Speed of the shadow : 8.7 km/s
Elongation to Moon & Sun : 156° (sunlit = 16%), Sun = 109°
Cross-track uncertainty : 0.3 mas = 0 km = 0.05 path-width (1-sig)
RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#70
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)