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OPS 1509 (TRANSIT 10), 1864

Orbit data source: Space-Track

OPS 1509 (TRANSIT 10), 1864 is a payload satellite owned by USN BuWeps (US) in LEO that was launched on Wed, 22 Dec 1965 UTC via an SCOUT A 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/1864?theme=dark&initialShowStats=false

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Identifier

1864, 1965-109A

Orbit

LEO

Country

Related business

United States Navy (US)

Manufacturer

APL

Mission

Spacecraft

Bus & Motor

TRANSIT 5, Unknown motor

Mass

51 kg wet, 51 kg dry

Launch date (UTC)

1965-12-22 (60 years ago)

Launch vehicle

SCOUT A

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 1509 (TRANSIT 10)
1 01864U 65109A   26144.77368482  .00000136  00000-0  11710-3 0  9995
2 01864  89.0739 237.6267 0107440 285.7664  73.1675 13.79054139 32875

Epoch: 2026-05-24T18:34Z

TLE epoch observation values (Epoch: 2026-05-24T18:34:06.368Z)

Latitude

-0.00008°

Longitude

76.72915°

Altitude

948.161 km

Speed

7.389 km/s

True Right ascension

15h 50m 30s

True Declination

0° 00' 00"

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

16:32:36

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,043.139 km

Perigee altitude

885.366 km

Semi-major axis

7,342.39 km

Eccentricity

0.01074

Inclination

89.0739°

RAAN

237.6267°

Arg. of periapsis

285.7664°

True anomaly

74.35044°

Mean anomaly

73.1675°

Eccentric anomaly

73.75852°

Mean motion

3.44975 °/min

Orbital period

104.36 mins

BSTAR

0.0001171

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Other satellites on launch #109 in the year 1965 (1965-12-22 UTC)

SCOUT A DEB, 2226

TRANSIT 10 DEB, 25576 (Decayed)

TRANSIT 10 DEB, 24705

SCOUT A R/B, 1865

SCOUT A DEB, 2086 (Decayed)

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OPS 1509 (TRANSIT 10) 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	2026-05-25 17:47:29.815Z	14.571° NNE	2026-05-25 17:53:29.815Z	84.912° E	34.692°	2026-05-25 17:59:29.815Z	156.121° SSE
9 mins	2026-05-25 19:33:29.815Z	331.462° NNW	2026-05-25 19:37:29.815Z	284.07° WNW	25.799°	2026-05-25 19:42:29.815Z	228.131° WSW
8 mins	2026-05-26 05:32:29.815Z	121.418° SE	2026-05-26 05:35:29.815Z	82.585° E	25.736°	2026-05-26 05:40:29.815Z	24.191° NE
6 mins	2026-05-26 07:15:29.815Z	211.699° SW	2026-05-26 07:19:29.815Z	265.148° W	33.613°	2026-05-26 07:21:29.815Z	309.259° NW

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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 1509 (TRANSIT 10), 1864 on other resources

View OPS 1509 (TRANSIT 10), 1864 on NASA - NSSDCA Website

View OPS 1509 (TRANSIT 10), 1864 on Heavens-Above

View OPS 1509 (TRANSIT 10), 1864 on Keep Track

View OPS 1509 (TRANSIT 10), 1864 on Celestrak

View OPS 1509 (TRANSIT 10), 1864 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 1509 (TRANSIT 10), 1864

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: 2026-05-24T18:34:06.368Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #109 in the year 1965 (1965-12-22 UTC)

OPS 1509 (TRANSIT 10) Visibility forecast

Co-orbital & Co-planar RSOs

Check out OPS 1509 (TRANSIT 10), 1864 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 13 hours ago