2025-09-21 / UCAC4 384-141664 / (316549) 2010 XD78
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
William Stewart |
O- |
VID |
M279 |
GB |
GPS |
21:53:50 |
:: |
:: |
21:55:49 |
|
|
|
|
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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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] : a0a711f0-ddb8-11f0-547e-2dd77fff73cb [observed]
Occultation Date + Time : 2025-09-21 at 22:02:12 UT +/- 0.19 min [1]
Object Designation : (316549) 2010 XD78
Orbit Class : MBA
Star Designation : GDR3 4186290643300977664
Star Coordinates (ICRF) : RA = 19 33 27.5589, DE = -13 19 24.866 [2]
Star Magnitudes : G = 12.22 mag, RP = 11.39 mag, BP = 12.96 mag
Object Magnitude : V = 21.26 mag
Estimated Magnitude Drop : 9.0 mag
Estimated Max. Duration : 0.4 sec
Object Mean Diameter : 2.6 km (src: astorb)
Speed of the shadow : 6.2 km/s
Elongation to Moon & Sun : 113° (sunlit = 0%), Sun = 114°
Cross-track uncertainty : 18.0 mas = 35 km = 13.78 path-width (1-sig)
RUWE and duplicate source : 1.18 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#35
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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