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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

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 22 hours ago

TLE from 22 hours ago

0 OPS 1509 (TRANSIT 10)
1 01864U 65109A   26152.24712482  .00000201  00000-0  17759-3 0  9991
2 01864  89.0739 236.8939 0107434 262.6480  96.2468 13.79056904 33908

Epoch: 2026-06-01T05:55Z

TLE epoch observation values (Epoch: 2026-06-01T05:55:51.584Z)

Latitude

0.00004°

Longitude

-101.80822°

Altitude

979.653 km

Speed

7.357 km/s

True Right ascension

15h 47m 34s

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

13:10:36

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,043.125 km

Perigee altitude

885.361 km

Semi-major axis

7,342.38 km

Eccentricity

0.01074

Inclination

89.0739°

RAAN

236.8939°

Arg. of periapsis

262.648°

True anomaly

97.46871°

Mean anomaly

96.2468°

Eccentric anomaly

96.85795°

Mean motion

3.44975 °/min

Orbital period

104.36 mins

BSTAR

0.00017759

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

TRANSIT 10 DEB, 24705

SCOUT A R/B, 1865

SCOUT A DEB, 2226

SCOUT A DEB, 2086 (Decayed)

TRANSIT 10 DEB, 25576 (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.
8 mins	2026-06-02 04:42:35.706Z	115.762° SE	2026-06-02 04:46:35.706Z	73.591° E	19.638°	2026-06-02 04:50:35.706Z	32.429° NE
11 mins	2026-06-02 06:25:35.706Z	195.699° SSW	2026-06-02 06:30:35.706Z	284.804° WNW	40.991°	2026-06-02 06:36:35.706Z	351.746° N
11 mins	2026-06-02 17:21:35.706Z	14.869° NNE	2026-06-02 17:26:35.706Z	80.634° E	37.36°	2026-06-02 17:32:35.706Z	160.637° S
7 mins	2026-06-02 19:07:35.706Z	322.215° NNW	2026-06-02 19:10:35.706Z	285.874° WNW	22.581°	2026-06-02 19:14:35.706Z	239.242° 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 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: 22 hours ago

TLE from 22 hours ago

TLE epoch observation values (Epoch: 2026-06-01T05:55:51.584Z)

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: 22 hours ago