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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: 12 hours ago

TLE from 12 hours ago

0 OPS 6582 (TRANSIT 5E-5)
1 00959U 64083C   26090.55229818  .00000221  00000-0  27080-3 0  9996
2 00959  90.0123 187.2392 0042881 169.8823 201.1857 13.62471176 39646

Epoch: 2026-03-31T13:15Z

TLE epoch observation values (Epoch: 2026-03-31T13:15:18.562Z)

Latitude

10.84066°

Longitude

159.48167°

Altitude

1,058.575 km

Speed

7.309 km/s

True Right ascension

12h 28m 56s

True Declination

10° 46' 48"

Sunlit

Object was in full shadow 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

06:47:48

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,055.496 km

Perigee altitude

992.016 km

Semi-major axis

7,401.893 km

Eccentricity

0.00429

Inclination

90.0123°

RAAN

187.2392°

Arg. of periapsis

169.8823°

True anomaly

201.009°

Mean anomaly

201.1857°

Eccentric anomaly

201.09726°

Mean motion

3.40823 °/min

Orbital period

105.63 mins

BSTAR

0.0002708

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

THOR ABLESTAR DEB, 956

THOR ABLESTAR R/B, 953

TRANSIT 5E-5 DEB, 43289 (Decayed)

TRANSIT 5E-5 DEB, 28248 (Decayed)

TRANSIT 5E-5 DEB, 5540 (Decayed)

TRANSIT 5E-5 DEB, 38526 (Decayed)

THOR ABLESTAR DEB, 1608

TRANSIT 5E-5 DEB, 43290 (Decayed)

TRANSIT 5E-5 DEB, 2798 (Decayed)

OPS 6582 (TRANSIT 5B-5), 965

TRANSIT 5E-5 DEB, 38524 (Decayed)

THOR ABLESTAR DEB, 1099

THOR ABLESTAR DEB, 967

TRANSIT 5E-5 DEB, 38527 (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.
6 mins	2026-04-01 05:13:36.417Z	102.126° ESE	2026-04-01 05:16:36.417Z	72.234° E	16.065°	2026-04-01 05:19:36.417Z	41.796° NE
11 mins	2026-04-01 06:56:36.417Z	184.723° SSW	2026-04-01 07:01:36.417Z	286.284° WNW	44.012°	2026-04-01 07:07:36.417Z	354.268° N
10 mins	2026-04-01 18:00:36.417Z	22.163° NNE	2026-04-01 18:05:36.417Z	92.858° ESE	32.929°	2026-04-01 18:10:36.417Z	152.885° SSE
9 mins	2026-04-01 19:46:36.417Z	332.798° NNW	2026-04-01 19:50:36.417Z	283.056° WNW	25.976°	2026-04-01 19:55:36.417Z	227.203° 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: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-03-31T13:15:18.562Z)

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: 12 hours ago