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USA 283, 43339

Orbit data source: Space-Track

USA 283, 43339 is a payload satellite owned by USAF SMC (US) in GEO that was launched on Sat, 14 Apr 2018 UTC via an ATLAS V 551 launch vehicle from the Air Force Eastern Test Range (AFETR). 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.

Not visible in the next 10 days

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/43339?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/43339?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

43339, 2018-036A

Orbit

GEO

Country

Related business

United States Space Force (US)

Manufacturer

Unknown (US)

Mission

Operational Defense Classified

Bus & Motor

UNKNOWN, Unknown motor

Mass

~3,200 kg wet, 2,800 kg dry

Launch date (UTC)

2018-04-14 (8 years ago)

Launch vehicle

ATLAS V 551

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 22.5 m

Radar Cross Section

60.149 m²

Expand to show TLE details & history
Last TLE update: 3 days ago

TLE from 3 days ago

0 USA 283
1 43339U 18036A   26170.53794801  .00000000  00000-0  00000+0 0  9992
2 43339   0.0091  53.6723 0000086  77.7836 104.0737  1.00268506 25313

Epoch: 2026-06-19T12:54Z

TLE epoch observation values (Epoch: 2026-06-19T12:54:38.708Z)

Latitude

-0.01007°

Longitude

134.1165°

Altitude

35,787.096 km

Speed

3.075 km/s

True Right ascension

15h 42m 10s

True Declination

0° 00' 36"

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

21:30:44

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,788.947 km

Perigee altitude

35,788.222 km

Semi-major axis

42,166.722 km

Eccentricity

0.00001

Inclination

0.0091°

RAAN

53.6723°

Arg. of periapsis

77.7836°

True anomaly

104.07466°

Mean anomaly

104.0737°

Eccentric anomaly

104.07418°

Mean motion

0.25066 °/min

Orbital period

1,436.2 mins

BSTAR

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Computing Atmospheric mass density...

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Other satellites on launch #36 in the year 2018 (2018-04-14 UTC)

ATLAS CENTAUR DEB, 43342

USA 284, 43340

ATLAS CENTAUR R/B, 43341

USA 286, 43446

USA 285, 43445

USA 287, 43465

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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 283 Visibility

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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.
USA 283 is likely not visible in the next few days.

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43339 neighbors

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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 283, 43339 on other resources

View USA 283, 43339 on NASA - NSSDCA Website

View USA 283, 43339 on Heavens-Above

View USA 283, 43339 on Keep Track

View USA 283, 43339 on Celestrak

View USA 283, 43339 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 283, 43339

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 3 days ago

TLE from 3 days ago

TLE epoch observation values (Epoch: 2026-06-19T12:54:38.708Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #36 in the year 2018 (2018-04-14 UTC)

USA 283 Visibility

43339 neighbors

Co-orbital & Co-planar RSOs

Check out USA 283, 43339 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 3 days ago