2025-09-05 / UCAC4 391-131190 / (4619) Polyakhova
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Martin Gutekunst |
O+ |
VID |
L280 |
DE |
GPS |
21:26:22 |
21:26:51.494 |
21:26:52.004 |
21:27:22 |
0.061 |
0.061 |
0.51 |
5.0 |
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):
| Map with groundtrack and observer stations |
|---|
| Event Details |
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Occultation UUID [and DB] : 64846fc0-ddb7-11f0-547e-0431eeb233bd [observed]
Occultation Date + Time : 2025-09-05 at 21:29:20 UT +/- 0.0 min [1]
Object Designation : (4619) Polyakhova
Orbit Class : MBA
Star Designation : GDR3 6891263451496154368
Star Coordinates (ICRF) : RA = 21 33 01.5401, DE = -11 55 12.867 [2]
Star Magnitudes : G = 13.95 mag, RP = 13.47 mag, BP = 14.27 mag
Object Magnitude : V = 17.17 mag
Estimated Magnitude Drop : 3.3 mag
Estimated Max. Duration : 0.8 sec
Object Mean Diameter : 8.0 km (src: astorb)
Speed of the shadow : 9.8 km/s
Elongation to Moon & Sun : 6° (sunlit = 96%), Sun = 158°
Cross-track uncertainty : 0.7 mas = 0 km = 0.11 path-width (1-sig)
RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#67
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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