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USA 24, 18010

Orbit data source: Space-Track

USA 24, 18010 is an American payload satellite in LEO that was launched on Fri, 15 May 1987 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/18010?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/18010?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

18010, 1987-043F

Orbit

LEO

Country

Related business

National Reconnaissance Office (US)

Manufacturer

Martin Marietta

Mission

Defense Sigint

Bus & Motor

NOSS SSU, Unknown motor

Mass

200 kg wet, 200 kg dry

Launch date (UTC)

1987-05-15 (39 years ago)

Launch vehicle

ATLAS H

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 1 Ant, 5.0 m

Radar Cross Section

1.051 m², Large (>1 m²)

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

TLE from 2 days ago

0 USA 24
1 18010U 87043F   26171.47204903  .00010170  00000-0  59719-3 0  9991
2 18010  63.2987 349.8221 0786278 104.6637 264.2847 13.86723300345919

Epoch: 2026-06-20T11:19Z

TLE epoch observation values (Epoch: 2026-06-20T11:19:45.036Z)

Latitude

0.00004°

Longitude

-88.80171°

Altitude

1,043.365 km

Speed

7.28 km/s

True Right ascension

23h 19m 17s

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

00:39:51

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,514.27 km

Perigee altitude

363.618 km

Semi-major axis

7,317.081 km

Eccentricity

0.07863

Inclination

63.2987°

RAAN

349.8221°

Arg. of periapsis

104.6637°

True anomaly

255.44153°

Mean anomaly

264.2847°

Eccentric anomaly

259.85016°

Mean motion

3.46766 °/min

Orbital period

103.82 mins

BSTAR

0.00059719

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Other satellites on launch #43 in the year 1987 (1987-05-15 UTC)

USA 22 DEB, 18008 (Decayed)

USA 22 DEB, 18024

USA 22 DEB, 44301 (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 24 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	2026-06-22 13:39:19.571Z	220.186° SW	2026-06-22 13:44:19.571Z	314.343° NW	43.12°	2026-06-22 13:47:19.571Z	27.104° NE
4 mins	2026-06-22 22:45:19.571Z	268.99° W	2026-06-22 22:46:19.571Z	234.672° WSW	26.019°	2026-06-22 22:49:19.571Z	178.872° S
5 mins	2026-06-23 12:09:19.571Z	156.778° SSE	2026-06-23 12:12:19.571Z	110.813° ESE	20.261°	2026-06-23 12:14:19.571Z	77.393° E

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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 24, 18010 on other resources

View USA 24, 18010 on NASA - NSSDCA Website

View USA 24, 18010 on Heavens-Above

View USA 24, 18010 on Keep Track

View USA 24, 18010 on Celestrak

View USA 24, 18010 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 24, 18010

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: 2026-06-20T11:19:45.036Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #43 in the year 1987 (1987-05-15 UTC)

USA 24 Visibility forecast

Co-orbital & Co-planar RSOs

Check out USA 24, 18010 on other resources

Documentation

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