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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 (62 years ago)

Launch vehicle

THOR ABLESTAR

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

OCT CYL + 4 PAN + ANT, 3.0 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 14 hours ago

TLE from 14 hours ago

0 OPS 6582 (TRANSIT 5E-5)
1 00959U 64083C   26207.99205021  .00000176  00000-0  21314-3 0  9997
2 00959  90.0088 187.3713 0041739 182.5600 239.0007 13.62505903 55630

Epoch: 2026-07-26T23:48Z

TLE epoch observation values (Epoch: 2026-07-26T23:48:33.138Z)

Latitude

61.24034°

Longitude

-114.46476°

Altitude

1,053.167 km

Speed

7.323 km/s

True Right ascension

12h 29m 25s

True Declination

61° 06' 03"

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

02:52:18

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,054.525 km

Perigee altitude

992.736 km

Semi-major axis

7,401.767 km

Eccentricity

0.00417

Inclination

90.0088°

RAAN

187.3713°

Arg. of periapsis

182.56°

True anomaly

238.59182°

Mean anomaly

239.0007°

Eccentric anomaly

238.79615°

Mean motion

3.40832 °/min

Orbital period

105.62 mins

BSTAR

0.00021314

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

TRANSIT 5E-5 DEB, 38526 (Decayed)

TRANSIT 5E-5 DEB, 28248 (Decayed)

THOR ABLESTAR DEB, 967

TRANSIT 5E-5 DEB, 5444 (Decayed)

TRANSIT 5E-5 DEB, 43290 (Decayed)

THOR ABLESTAR DEB, 1099

TRANSIT 5E-5 DEB, 43289 (Decayed)

THOR ABLESTAR R/B, 953

OPS 6582 (TRANSIT 5B-5), 965

THOR ABLESTAR DEB, 1608

THOR ABLESTAR DEB, 956

TRANSIT 5E-5 DEB, 2798 (Decayed)

TRANSIT 5E-5 DEB, 5540 (Decayed)

TRANSIT 5E-5 DEB, 41927 (Decayed)

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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.
11 mins	2026-07-27 22:31:48.048Z	154.248° SSE	2026-07-27 22:36:48.048Z	95.728° ESE	38.459°	2026-07-27 22:42:48.048Z	9.25° NNE
8 mins	2026-07-28 00:19:48.048Z	241.217° WSW	2026-07-28 00:22:48.048Z	276.059° WNW	21.891°	2026-07-28 00:27:48.048Z	328.893° NNW
7 mins	2026-07-28 09:37:48.048Z	47.29° ENE	2026-07-28 09:40:48.048Z	80.963° E	18.091°	2026-07-28 09:44:48.048Z	121.824° SE
10 mins	2026-07-28 11:21:48.048Z	352.365° N	2026-07-28 11:26:48.048Z	268.346° W	41.363°	2026-07-28 11:31:48.048Z	199.81° SSW

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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: 14 hours ago

TLE from 14 hours ago

TLE epoch observation values (Epoch: 2026-07-26T23:48:33.138Z)

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: 14 hours ago