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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: 13 hours ago

TLE from 13 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

11:49:49

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 R/B, 953

TRANSIT 5E-5 DEB, 28248 (Decayed)

TRANSIT 5E-5 DEB, 38524 (Decayed)

TRANSIT 5E-5 DEB, 43290 (Decayed)

THOR ABLESTAR DEB, 1099

OPS 6582 (TRANSIT 5B-5), 965

THOR ABLESTAR DEB, 966 (Decayed)

TRANSIT 5E-5 DEB, 38527 (Decayed)

TRANSIT 5E-5 DEB, 2798 (Decayed)

TRANSIT 5E-5 DEB, 5444 (Decayed)

THOR ABLESTAR DEB, 967

THOR ABLESTAR DEB, 956

TRANSIT 5E-5 DEB, 41927 (Decayed)

THOR ABLESTAR DEB, 1608

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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	2026-03-13 08:10:30.374Z	183.369° SSW	2026-03-13 08:16:30.374Z	252.528° W	43.926°	2026-03-13 08:22:30.374Z	353.523° N
10 mins	2026-03-13 19:16:30.374Z	24.387° NE	2026-03-13 19:20:30.374Z	79.194° E	33.616°	2026-03-13 19:26:30.374Z	155.074° SSE
8 mins	2026-03-13 21:02:30.374Z	329.061° NNW	2026-03-13 21:06:30.374Z	276.122° WNW	25.882°	2026-03-13 21:10:30.374Z	231.236° WSW
10 mins	2026-03-14 07:07:30.374Z	136.26° SSE	2026-03-14 07:11:30.374Z	86.507° E	31.357°	2026-03-14 07:17:30.374Z	15.19° NNE

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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: 13 hours ago

TLE from 13 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: 13 hours ago