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USA 340, 55138

Orbit data source: Space-Track

USA 340, 55138 is an American payload satellite in GEO that was launched on Tue, 01 Nov 2022 UTC via an FALCON HEAVY 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/55138?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/55138?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

55138, 2022-144E

Orbit

GEO

Last TLE update

2 months ago

Origin

United States Space Force (US)

Manufacturer

Millenium ES

Mission

Non-operational Defense Technology

Bus & Motor

ALTAIR 27U, Unknown motor

Mass

~100 kg wet, ~100 kg dry

Launch date (UTC)

2022-11-01 (3 years ago)

Launch vehicle

FALCON HEAVY

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box, 0.6 m

Radar Cross Section

0.600 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 2 months ago

0 USA 340
1 55138U 22144E   25076.51466667 -.00000331  00000-0  00000-0 0  9994
2 55138   4.4211  65.3171 0141024 303.0182  94.9154  0.99896751  7179

Epoch: 2025-03-17T12:21Z

Definitive object data (Epoch: 2025-03-17T12:21:07.2Z)

Latitude

2.79338°

Longitude

104.18004°

Altitude

35,951.957 km

Speed

3.066 km/s

True Right ascension

06h 59m 09s

True Declination

2° 47' 26"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

3.54325°

Longitude

115.68811°

Altitude

36,053.619 km

Speed

3.059 km/s

Apparent Right ascension

08h 01m 46s

Apparent Declination

-1° 48' 15"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

22:36:23

Azimuth

52.636° ENE

Elevation

-38.233°

Doppler factor

Orbital elements

Apogee altitude

36,489.244 km

Perigee altitude

35,296.992 km

Semi-major axis

42,271.255 km

Eccentricity

0.0141024

Inclination

4.4211°

RAAN

65.3171°

Arg. of periapsis

303.0182°

True anomaly

96.52283°

Mean anomaly

94.9154°

Eccentric anomaly

95.71939°

Mean motion

0.24973 °/min

BSTAR

Unknown

Orbital period

1441.54 mins

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55138 neighbors

Authenticating...

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Other satellites on launch #144 in the year 2022 (2022-11-01 UTC)

LDPE-2, 54219

USA 339, 54220

FALCON HEAVY R/B, 54221

FALCON HEAVY DEB, 54222

USA 340 Visibility forecast

Observer location: undefined°, undefined°

USA 340 is not visible in the next 10 days

Authenticating...

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Check out USA 340, 55138 on other resources

View USA 340, 55138 on NASA - NSSDCA Website

View USA 340, 55138 on Heavens-Above

View USA 340, 55138 on Keep Track

View USA 340, 55138 on Celestrak

View USA 340, 55138 on Gunter's Space Page

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