OPS 6582 (TRANSIT 5E-5), 959
Orbit data source: Space-Track
OPS 6582 (TRANSIT 5E-5), 959 is a payload satellite owned by USN BuWeps (US) in LEO that was launched on Sun, 13 Dec 1964 UTC via a THOR ABLESTAR launch vehicle from the Air Force Western Test Range (AFWTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
APL
Mission
Spacecraft
Bus & Motor
TRANSIT 5, Unknown motor
Mass
77 kg wet, 77 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 9 hours ago
TLE from 9 hours ago
0 OPS 6582 (TRANSIT 5E-5)
1 00959U 64083C 25291.78786159 .00000237 00000-0 29284-3 0 9994
2 00959 90.0081 187.0971 0040573 297.9548 129.7559 13.62398510 17340Epoch: 2025-10-18T18:54Z
TLE epoch observation values (Epoch: 2025-10-18T18:54:31.241Z)
Latitude
68.14199°
Longitude
-124.06702°
Altitude
1,058.16 km
Speed
7.319 km/s
True Right ascension
12h 28m 18s
True Declination
68° 01' 40"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
23:07:12
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,054.053 km
Perigee altitude
993.987 km
Semi-major axis
7,402.157 km
Eccentricity
0.00406
Inclination
90.0081°
RAAN
187.0971°
Arg. of periapsis
297.9548°
True anomaly
130.11217°
Mean anomaly
129.7559°
Eccentric anomaly
129.93415°
Mean motion
3.40805 °/min
Orbital period
105.63 mins
BSTAR
0.00029284
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Other satellites on launch #83 in the year 1964 (1964-12-13 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.OPS 6582 (TRANSIT 5E-5) Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2025-10-19 05:44:05.533Z | 357.679° N | 2025-10-19 05:50:05.533Z | 293.369° NW | 43.499° | 2025-10-19 05:56:05.533Z | 193.352° SSW |
| 4 mins | 2025-10-19 15:55:05.533Z | 84.395° E | 2025-10-19 15:56:05.533Z | 74.07° E | 14.563° | 2025-10-19 15:59:05.533Z | 44.187° NE |
| 11 mins | 2025-10-19 17:36:05.533Z | 180.806° SSW | 2025-10-19 17:41:05.533Z | 269.438° W | 44.701° | 2025-10-19 17:47:05.533Z | 355.697° N |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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