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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: 8 hours ago

TLE from 8 hours ago

0 OPS 1509 (TRANSIT 10)
1  1864U 65109A   26071.99809682  .00000247  00000-0  21782-3 0  9993
2  1864  89.0632 244.7998 0110944 145.4862 215.3574 13.79033872 22847

Epoch: 2026-03-12T23:57Z

TLE epoch observation values (Epoch: 2026-03-12T23:57:15.565Z)

Latitude

-0.00004°

Longitude

74.845°

Altitude

1,037.086 km

Speed

7.3 km/s

True Right ascension

16h 19m 11s

True Declination

0° 00' 00"

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

12:43:58

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,045.785 km

Perigee altitude

882.865 km

Semi-major axis

7,342.462 km

Eccentricity

0.01109

Inclination

89.0632°

RAAN

244.7998°

Arg. of periapsis

145.4862°

True anomaly

214.62997°

Mean anomaly

215.3574°

Eccentric anomaly

214.99286°

Mean motion

3.44969 °/min

Orbital period

104.36 mins

BSTAR

0.00021782

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

SCOUT A DEB, 2086 (Decayed)

TRANSIT 10 DEB, 24705

SCOUT A DEB, 2226

SCOUT A R/B, 1865

TRANSIT 10 DEB, 25576 (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 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	2026-03-13 10:32:30.917Z	116.845° SE	2026-03-13 10:36:30.917Z	75.166° E	18.725°	2026-03-13 10:40:30.917Z	32.92° NE
10 mins	2026-03-13 12:15:30.917Z	195.066° SSW	2026-03-13 12:20:30.917Z	279.143° WNW	40.921°	2026-03-13 12:25:30.917Z	349.359° N
9 mins	2026-03-13 23:11:30.917Z	17.704° NNE	2026-03-13 23:15:30.917Z	72.787° E	35.188°	2026-03-13 23:20:30.917Z	155.633° SSE
6 mins	2026-03-14 00:57:30.917Z	316.3° NNW	2026-03-14 00:59:30.917Z	290.1° WNW	20.438°	2026-03-14 01:03:30.917Z	240.002° 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: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2026-03-12T23:57:15.565Z)

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: 8 hours ago