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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: 6 hours ago

TLE from 6 hours ago

0 OPS 6582 (TRANSIT 5E-5)
1 00959U 64083C   26038.94439746  .00000231  00000-0  28422-3 0  9996
2 00959  90.0069 187.1758 0040821 326.7427 147.2690 13.62450526 32617

Epoch: 2026-02-07T22:39Z

TLE epoch observation values (Epoch: 2026-02-07T22:39:55.940Z)

Latitude

65.81675°

Longitude

-110.85265°

Altitude

1,063.73 km

Speed

7.313 km/s

True Right ascension

00h 28m 45s

True Declination

65° 41' 36"

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

07:20:01

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,054.047 km

Perigee altitude

993.616 km

Semi-major axis

7,401.968 km

Eccentricity

0.00408

Inclination

90.0069°

RAAN

187.1758°

Arg. of periapsis

326.7427°

True anomaly

147.52084°

Mean anomaly

147.269°

Eccentric anomaly

147.39503°

Mean motion

3.40818 °/min

Orbital period

105.63 mins

BSTAR

0.00028422

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

TRANSIT 5E-5 DEB, 38525 (Decayed)

TRANSIT 5E-5 DEB, 28248 (Decayed)

TRANSIT 5E-5 DEB, 38527 (Decayed)

TRANSIT 5E-5 DEB, 38524 (Decayed)

TRANSIT 5E-5 DEB, 41927 (Decayed)

THOR ABLESTAR DEB, 966 (Decayed)

THOR ABLESTAR DEB, 1099

TRANSIT 5E-5 DEB, 43290 (Decayed)

THOR ABLESTAR R/B, 953

OPS 6582 (TRANSIT 5B-5), 965

THOR ABLESTAR DEB, 1608

THOR ABLESTAR DEB, 967

THOR ABLESTAR DEB, 956

TRANSIT 5E-5 DEB, 38526 (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.
8 mins	2026-02-08 08:49:11.357Z	116.465° SE	2026-02-08 08:53:11.357Z	75.513° E	19.399°	2026-02-08 08:57:11.357Z	32.793° NE
11 mins	2026-02-08 10:33:11.357Z	193.779° SSW	2026-02-08 10:38:11.357Z	266.047° W	40.839°	2026-02-08 10:44:11.357Z	349.49° N
11 mins	2026-02-08 21:37:11.357Z	15.315° NNE	2026-02-08 21:42:11.357Z	80.505° E	38.555°	2026-02-08 21:48:11.357Z	162.887° S
8 mins	2026-02-08 23:24:11.357Z	323.865° NNW	2026-02-08 23:27:11.357Z	289.352° WNW	22.417°	2026-02-08 23:32:11.357Z	236.519° 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: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-02-07T22:39:55.940Z)

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: 6 hours ago