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2025-12-13 / UCAC4 486-007201 / (1345) Potomac

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.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):
JPL#76 : d6b65580-ddb8-11f0-547e-86460bdb302a [db: observed]

Using prediction d6b65580-ddb8-11f0-547e-86460bdb302a for map and profile fit

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Map with groundtrack and observer stations

Event Details
 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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