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USA 15, 16591

Orbit data source: Space-Track

USA 15, 16591 is an American payload satellite in LEO that was launched on Sun, 09 Feb 1986 UTC via an ATLAS H 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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<iframe src="https://www.satcat.com/sats-embedded/16591?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/16591?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

16591, 1986-014A

Orbit

LEO

Country

Related business

National Reconnaissance Office (US)

Manufacturer

Martin Marietta

Mission

Spacecraft

Bus & Motor

NOSS MSD, Unknown motor

Mass

590 kg wet, 559 kg dry

Launch date (UTC)

1986-02-09 (40 years ago)

Launch vehicle

ATLAS H

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 2 days ago

TLE from 2 days ago

0 USA 15
1 16591U 86014A   26171.45469672  .00011339  00000-0  60055-3 0  9997
2 16591  63.2960 244.1790 0659729 113.2304 253.9611 14.15311630108392

Epoch: 2026-06-20T10:54Z

TLE epoch observation values (Epoch: 2026-06-20T10:54:45.796Z)

Latitude

-0.00009°

Longitude

171.81906°

Altitude

1,002.874 km

Speed

7.269 km/s

True Right ascension

16h 16m 42s

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

23:07:52

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,316.251 km

Perigee altitude

363.842 km

Semi-major axis

7,218.184 km

Eccentricity

0.06597

Inclination

63.296°

RAAN

244.179°

Arg. of periapsis

113.2304°

True anomaly

246.87548°

Mean anomaly

253.9611°

Eccentric anomaly

250.40015°

Mean motion

3.53917 °/min

Orbital period

101.72 mins

BSTAR

0.00060055

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Other satellites on launch #14 in the year 1986 (1986-02-09 UTC)

USA 15 DEB, 44435 (Decayed)

USA 15 DEB, 16630 (Decayed)

USA 15 DEB, 16622

USA 15 DEB, 16623 (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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USA 15 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.
4 mins	2026-06-22 14:18:35.219Z	357.953° N	2026-06-22 14:20:35.219Z	43.332° NE	19.635°	2026-06-22 14:22:35.219Z	93.511° ESE
6 mins	2026-06-23 05:10:35.219Z	162.003° S	2026-06-23 05:13:35.219Z	120.792° SE	21.484°	2026-06-23 05:16:35.219Z	71.334° E
6 mins	2026-06-23 06:55:35.219Z	249.287° W	2026-06-23 06:58:35.219Z	311.544° NW	30.989°	2026-06-23 07:01:35.219Z	12.762° NNE

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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 USA 15, 16591 on other resources

View USA 15, 16591 on NASA - NSSDCA Website

View USA 15, 16591 on Heavens-Above

View USA 15, 16591 on Keep Track

View USA 15, 16591 on Celestrak

View USA 15, 16591 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

USA 15, 16591

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-06-20T10:54:45.796Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #14 in the year 1986 (1986-02-09 UTC)

USA 15 Visibility forecast

Co-orbital & Co-planar RSOs

Check out USA 15, 16591 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago