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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
959 intel report (Beta)
Focus sentinelFocus sentinel
Edit Public Description
Focus sentinelFocus sentinel
Edit Sat Name
Focus sentinelFocus sentinel
Create New Watchlist
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
OCT CYL + 4 PAN + ANT, 1.1 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 6 hours ago
TLE from 6 hours ago
0 OPS 6582 (TRANSIT 5E-5)
1 00959U 64083C 26257.21663451 .00000153 00000-0 18275-3 0 9999
2 00959 90.0154 187.4429 0043839 42.1063 122.8600 13.62518966 62332Epoch: 2026-09-14T05:11Z
TLE epoch observation values (Epoch: 2026-09-14T05:11:57.221Z)
Latitude
14.58419°
Longitude
-63.74165°
Altitude
1,046.527 km
Speed
7.321 km/s
True Right ascension
00h 29m 47s
True Declination
14° 30' 14"
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
03:45:11
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,056.032 km
Perigee altitude
991.135 km
Semi-major axis
7,401.72 km
Eccentricity
0.00438
Inclination
90.0154°
RAAN
187.4429°
Arg. of periapsis
42.1063°
True anomaly
123.28073°
Mean anomaly
122.86°
Eccentric anomaly
123.07049°
Mean motion
3.40835 °/min
Orbital period
105.62 mins
BSTAR
0.00018275
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #83 in the year 1964 (1964-12-13 UTC)
Did you know?
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
Loading observer location...
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 | 2026-09-14 18:37:53.001Z | 119.651° SE | 2026-09-14 18:41:53.001Z | 74.4° E | 23.652° | 2026-09-14 18:45:53.001Z | 29.614° NE |
| 11 mins | 2026-09-14 20:21:53.001Z | 200.192° SSW | 2026-09-14 20:26:53.001Z | 270.434° WNW | 50.437° | 2026-09-14 20:32:53.001Z | 346.888° N |
| 11 mins | 2026-09-15 07:25:53.001Z | 12.806° NNE | 2026-09-15 07:30:53.001Z | 93.028° ESE | 61.315° | 2026-09-15 07:36:53.001Z | 169.241° S |
| 7 mins | 2026-09-15 09:12:53.001Z | 318.709° NNW | 2026-09-15 09:15:53.001Z | 284.715° WNW | 20.603° | 2026-09-15 09:19:53.001Z | 244.222° WSW |
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 descending order |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
|---|