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 |
More 2 observations found in db: sodis
Available (probably) matching predictions (click on the link to switch):
Using prediction ae32c850-ddb8-11f0-547e-d30972ff4bb1 for map and profile fit
Map with groundtrack and observer stations
Reset Map to default
Event Details
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
(If error 404: link not valid which means no data available)
