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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, 1.1 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 20 hours ago

TLE from 20 hours ago

0 OPS 6582 (TRANSIT 5E-5)
1 00959U 64083C   26270.21391387  .00000154  00000-0  18540-3 0  9996
2 00959  90.0162 187.4662 0042680   4.7030 154.4989 13.62522425 64104

Epoch: 2026-09-27T05:08Z

TLE epoch observation values (Epoch: 2026-09-27T05:08:02.158Z)

Latitude

20.59252°

Longitude

-75.54758°

Altitude

1,057.713 km

Speed

7.311 km/s

True Right ascension

00h 29m 53s

True Declination

20° 29' 03"

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

18:07:56

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,055.161 km

Perigee altitude

991.98 km

Semi-major axis

7,401.708 km

Eccentricity

0.00427

Inclination

90.0162°

RAAN

187.4662°

Arg. of periapsis

4.703°

True anomaly

154.70845°

Mean anomaly

154.4989°

Eccentric anomaly

154.60378°

Mean motion

3.40836 °/min

Orbital period

105.62 mins

BSTAR

0.0001854

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

TRANSIT 5E-5 DEB, 38524 (Decayed)

TRANSIT 5E-5 DEB, 38525 (Decayed)

THOR ABLESTAR DEB, 966 (Decayed)

TRANSIT 5E-5 DEB, 5444 (Decayed)

TRANSIT 5E-5 DEB, 38527 (Decayed)

TRANSIT 5E-5 DEB, 28248 (Decayed)

TRANSIT 5E-5 DEB, 2798 (Decayed)

THOR ABLESTAR DEB, 1099

THOR ABLESTAR DEB, 1608

THOR ABLESTAR DEB, 967

TRANSIT 5E-5 DEB, 5540 (Decayed)

OPS 6582 (TRANSIT 5B-5), 965

THOR ABLESTAR R/B, 953

THOR ABLESTAR DEB, 956

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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.
9 mins	2026-09-28 05:38:09.312Z	34.178° NE	2026-09-28 05:42:09.312Z	74.656° E	22.063°	2026-09-28 05:47:09.312Z	127.139° SE
11 mins	2026-09-28 07:23:09.312Z	351.36° N	2026-09-28 07:28:09.312Z	288.928° WNW	56.795°	2026-09-28 07:34:09.312Z	202.448° SSW
6 mins	2026-09-28 17:32:09.312Z	99.16° ESE	2026-09-28 17:34:09.312Z	76.703° E	18.831°	2026-09-28 17:38:09.312Z	34.477° NE
11 mins	2026-09-28 19:14:09.312Z	190.568° SSW	2026-09-28 19:19:09.312Z	259.76° W	63.839°	2026-09-28 19:25:09.312Z	350.715° N

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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: 20 hours ago

TLE from 20 hours ago

TLE epoch observation values (Epoch: 2026-09-27T05:08:02.158Z)

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: 20 hours ago