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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)

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Last TLE update: 11 hours ago

TLE from 11 hours ago

0 OPS 6582 (TRANSIT 5E-5)
1 00959U 64083C   26071.77274828  .00000225  00000-0  27665-3 0  9993
2 00959  90.0113 187.2130 0041006 225.7120 249.3228 13.62464008 37083

Epoch: 2026-03-12T18:32Z

TLE epoch observation values (Epoch: 2026-03-12T18:32:45.451Z)

Latitude

65.48519°

Longitude

-81.36956°

Altitude

1,048.982 km

Speed

7.328 km/s

True Right ascension

00h 28m 57s

True Declination

65° 21' 37"

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

10:12:10

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,054.135 km

Perigee altitude

993.43 km

Semi-major axis

7,401.919 km

Eccentricity

0.0041

Inclination

90.0113°

RAAN

187.213°

Arg. of periapsis

225.712°

True anomaly

248.88397°

Mean anomaly

249.3228°

Eccentric anomaly

249.10331°

Mean motion

3.40821 °/min

Orbital period

105.63 mins

BSTAR

0.00027665

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

THOR ABLESTAR DEB, 1099

OPS 6582 (TRANSIT 5B-5), 965

THOR ABLESTAR DEB, 966 (Decayed)

TRANSIT 5E-5 DEB, 38524 (Decayed)

TRANSIT 5E-5 DEB, 38527 (Decayed)

TRANSIT 5E-5 DEB, 2798 (Decayed)

TRANSIT 5E-5 DEB, 41927 (Decayed)

TRANSIT 5E-5 DEB, 38525 (Decayed)

TRANSIT 5E-5 DEB, 43289 (Decayed)

TRANSIT 5E-5 DEB, 43290 (Decayed)

TRANSIT 5E-5 DEB, 28248 (Decayed)

TRANSIT 5E-5 DEB, 38526 (Decayed)

TRANSIT 5E-5 DEB, 5444 (Decayed)

THOR ABLESTAR R/B, 953

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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.
7 mins	2026-03-13 06:28:07.752Z	108.153° ESE	2026-03-13 06:32:07.752Z	69.548° E	16.468°	2026-03-13 06:35:07.752Z	39.727° NE
11 mins	2026-03-13 08:12:07.752Z	185.725° SSW	2026-03-13 08:17:07.752Z	302.859° NW	43.561°	2026-03-13 08:23:07.752Z	354.288° N
10 mins	2026-03-13 19:16:07.752Z	22.238° NNE	2026-03-13 19:21:07.752Z	94.019° ESE	33.582°	2026-03-13 19:26:07.752Z	153.518° SSE
9 mins	2026-03-13 21:02:07.752Z	331.961° NNW	2026-03-13 21:06:07.752Z	282.281° WNW	26.079°	2026-03-13 21:11:07.752Z	227.58° 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: 11 hours ago

TLE from 11 hours ago

TLE epoch observation values (Epoch: 2026-03-12T18:32:45.451Z)

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: 11 hours ago