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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959 intel report (Beta)
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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: 22 hours ago
TLE from 22 hours ago
0 OPS 6582 (TRANSIT 5E-5)
1 00959U 64083C 25258.24372233 .00000216 00000-0 26504-3 0 9991
2 00959 90.0079 187.0629 0043728 37.1350 128.9486 13.62380873 12772Epoch: 2025-09-15T05:50Z
TLE epoch observation values (Epoch: 2025-09-15T05:50:57.609Z)
Latitude
13.49296°
Longitude
-75.12642°
Altitude
1,049.729 km
Speed
7.318 km/s
True Right ascension
00h 28m 15s
True Declination
13° 25' 06"
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
20:46:47
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,056.452 km
Perigee altitude
991.715 km
Semi-major axis
7,402.221 km
Eccentricity
0.00437
Inclination
90.0079°
RAAN
187.0629°
Arg. of periapsis
37.135°
True anomaly
129.33696°
Mean anomaly
128.9486°
Eccentric anomaly
129.14291°
Mean motion
3.408 °/min
Orbital period
105.63 mins
BSTAR
0.00026504
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-09-16 06:19:47.800Z | 39.767° NE | 2025-09-16 06:23:47.800Z | 82.837° E | 19.182° | 2025-09-16 06:27:47.800Z | 123.267° SE |
| 11 mins | 2025-09-16 08:04:47.800Z | 351.144° N | 2025-09-16 08:09:47.800Z | 263.112° W | 40.911° | 2025-09-16 08:15:47.800Z | 198.76° SSW |
| 5 mins | 2025-09-16 18:13:47.800Z | 94.24° ESE | 2025-09-16 18:15:47.800Z | 71.743° E | 16.714° | 2025-09-16 18:18:47.800Z | 39.987° NE |
| 11 mins | 2025-09-16 19:55:47.800Z | 188.919° SSW | 2025-09-16 20:00:47.800Z | 282.596° WNW | 42.765° | 2025-09-16 20:06:47.800Z | 352.67° N |
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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