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
Civil Astronomy
Bus & Motor
TRANSIT 5, Unknown motor
Mass
77 kg wet, 77 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Oct Cyl + 4 Pan + 1 Rod, 3.0 m
Radar Cross Section
1.914 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 OPS 6582 (TRANSIT 5E-5)
1 00959U 64083C 25261.25231528 .00000181 00000-0 22024-3 0 9991
2 00959 90.0082 187.0659 0043494 28.5701 124.4907 13.62381729 13189Epoch: 2025-09-18T06:03Z
TLE epoch observation values (Epoch: 2025-09-18T06:03:20.04Z)
Latitude
26.56267°
Longitude
-81.1801°
Altitude
1,048.691 km
Speed
7.321 km/s
True Right ascension
00h 28m 16s
True Declination
26° 25' 51"
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
08:50:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,056.276 km
Perigee altitude
991.885 km
Semi-major axis
7,402.218 km
Eccentricity
0.00435
Inclination
90.0082°
RAAN
187.0659°
Arg. of periapsis
28.5701°
True anomaly
124.90023°
Mean anomaly
124.4907°
Eccentric anomaly
124.69559°
Mean motion
3.40801 °/min
Orbital period
105.63 mins
BSTAR
0.00022024
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-09-18 17:49:44.195Z | 87.493° E | 2025-09-18 17:51:44.195Z | 67.941° E | 12.143° | 2025-09-18 17:53:44.195Z | 48.653° ENE |
| 10 mins | 2025-09-18 19:31:44.195Z | 175.572° S | 2025-09-18 19:35:44.195Z | 171.477° S | 44.516° | 2025-09-18 19:41:44.195Z | 358.062° N |
| 10 mins | 2025-09-19 06:35:44.195Z | 29.306° NE | 2025-09-19 06:39:44.195Z | 79.936° E | 29.159° | 2025-09-19 06:45:44.195Z | 147.756° SSE |
| 10 mins | 2025-09-19 08:20:44.195Z | 340.351° N | 2025-09-19 08:25:44.195Z | 275.397° WNW | 30.814° | 2025-09-19 08:30:44.195Z | 219.45° SW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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