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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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https://www.satcat.com/sats-embedded/959?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

959, 1964-083C

Orbit

LEO

Country

Related business

United States Navy (US)

Manufacturer

APL

Mission

Spacecraft

Bus & Motor

TRANSIT 5, Unknown motor

Mass

77 kg wet, 77 kg dry

Launch date (UTC)

1964-12-13 (61 years ago)

Launch vehicle

THOR ABLESTAR

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 23 hours ago

TLE from 23 hours ago

0 OPS 6582 (TRANSIT 5E-5)
1 00959U 64083C   26145.12679667  .00000131  00000-0  15593-3 0  9997
2 00959  90.0081 187.3094 0042384  14.5194  39.3342 13.62487052 47070

Epoch: 2026-05-25T03:02Z

TLE epoch observation values (Epoch: 2026-05-25T03:02:35.232Z)

Latitude

54.25781°

Longitude

-101.06765°

Altitude

1,011.457 km

Speed

7.363 km/s

True Right ascension

12h 29m 11s

True Declination

54° 06' 01"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

11:17:17

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,055.071 km

Perigee altitude

992.327 km

Semi-major axis

7,401.836 km

Eccentricity

0.00424

Inclination

90.0081°

RAAN

187.3094°

Arg. of periapsis

14.5194°

True anomaly

39.64331°

Mean anomaly

39.3342°

Eccentric anomaly

39.48863°

Mean motion

3.40827 °/min

Orbital period

105.63 mins

BSTAR

0.00015593

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Other satellites on launch #83 in the year 1964 (1964-12-13 UTC)

THOR ABLESTAR DEB, 1608

TRANSIT 5E-5 DEB, 38527 (Decayed)

THOR ABLESTAR DEB, 966 (Decayed)

THOR ABLESTAR DEB, 1099

THOR ABLESTAR DEB, 967

THOR ABLESTAR DEB, 956

TRANSIT 5E-5 DEB, 5540 (Decayed)

OPS 6582 (TRANSIT 5B-5), 965

TRANSIT 5E-5 DEB, 28248 (Decayed)

THOR ABLESTAR R/B, 953

TRANSIT 5E-5 DEB, 41927 (Decayed)

TRANSIT 5E-5 DEB, 43290 (Decayed)

TRANSIT 5E-5 DEB, 43289 (Decayed)

TRANSIT 5E-5 DEB, 5444 (Decayed)

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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.

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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	2026-05-26 03:33:06.613Z	192.396° SSW	2026-05-26 03:39:06.613Z	278.109° WNW	40.402°	2026-05-26 03:45:06.613Z	349.955° N
11 mins	2026-05-26 14:38:06.613Z	16.767° NNE	2026-05-26 14:43:06.613Z	95.879° ESE	38.703°	2026-05-26 14:49:06.613Z	164.601° S
8 mins	2026-05-26 16:24:06.613Z	328.098° NNW	2026-05-26 16:28:06.613Z	282.965° WNW	22.054°	2026-05-26 16:32:06.613Z	240.243° WSW

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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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Check out OPS 6582 (TRANSIT 5E-5), 959 on other resources

View OPS 6582 (TRANSIT 5E-5), 959 on NASA - NSSDCA Website

View OPS 6582 (TRANSIT 5E-5), 959 on Heavens-Above

View OPS 6582 (TRANSIT 5E-5), 959 on Keep Track

View OPS 6582 (TRANSIT 5E-5), 959 on Celestrak

View OPS 6582 (TRANSIT 5E-5), 959 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

OPS 6582 (TRANSIT 5E-5), 959

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 23 hours ago

TLE from 23 hours ago

TLE epoch observation values (Epoch: 2026-05-25T03:02:35.232Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #83 in the year 1964 (1964-12-13 UTC)

OPS 6582 (TRANSIT 5E-5) Visibility forecast

Co-orbital & Co-planar RSOs

Check out OPS 6582 (TRANSIT 5E-5), 959 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 23 hours ago