2025-12-13 / UCAC4 486-007201 / (1345) Potomac
| # | OBS | Observer | Occ | Meth. | Instr. | CC |
TSRC | UT1 | UT2 | UT3 | UT4 | UT2E | UT3E | Dur. | Chrd |
|---|
| 1 |
show |
Tim Haymes |
O- |
VID |
M280 |
GB |
GPS |
02:17:00 |
:: |
:: |
02:20:00 |
|
|
|
|
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] : d6b65580-ddb8-11f0-547e-86460bdb302a [observed]
Occultation Date + Time : 2025-12-13 at 02:21:57 UT +/- 0.02 min [1]
Object Designation : (1345) Potomac
Orbit Class : MBA
Star Designation : GDR3 3285935480802882944
Star Coordinates (ICRF) : RA = 04 29 53.4074, DE = +07 03 06.028 [2]
Star Magnitudes : G = 12.56 mag, RP = 12.06 mag, BP = 12.9 mag
Object Magnitude : V = 14.87 mag
Estimated Magnitude Drop : 2.4 mag
Estimated Max. Duration : 5.7 sec
Object Mean Diameter : 71.8 km (src: astorb)
Speed of the shadow : 12.5 km/s
Elongation to Moon & Sun : 117° (sunlit = 38%), Sun = 160°
Cross-track uncertainty : 2.0 mas = 3 km = 0.05 path-width (1-sig)
RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#76
Note : FP:true
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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