2025-11-07 / UCAC4 690-042237 / (63891) 2001 SN4
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Daniel Blazewicz, Nikodem Blazewicz |
O+ |
VID |
M350 |
PL |
GPS |
17:54:21 |
17:56:25.15 |
17:56:26.42 |
17:58:34 |
0.200 |
0.150 |
1.27 |
8.3 |
| 2 |
show |
Vitali Nevski |
O- |
VID |
M300 |
BY |
GPS |
17:54:26 |
:: |
:: |
17:56:26 |
|
|
|
|
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
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2 observations 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] : ae32c850-ddb8-11f0-547e-d30972ff4bb1 [observed]
Occultation Date + Time : 2025-11-07 at 17:41:38 UT +/- 0.02 min [1]
Object Designation : (63891) 2001 SN4
Orbit Class : MBA
Star Designation : GDR3 0969698135337145472
Star Coordinates (ICRF) : RA = 06 04 49.3291, DE = +47 51 17.335 [2]
Star Magnitudes : G = 14.78 mag, RP = 14.22 mag, BP = 15.17 mag
Object Magnitude : V = 19.1 mag
Estimated Magnitude Drop : 4.3 mag
Estimated Max. Duration : 0.7 sec
Object Mean Diameter : 4.8 km (src: astorb)
Speed of the shadow : 6.5 km/s
Elongation to Moon & Sun : 24° (sunlit = 93%), Sun = 130°
Cross-track uncertainty : 0.7 mas = 1 km = 0.23 path-width (1-sig)
RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#50
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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