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FLTSATCOM 8 (USA 46), 20253

Orbit data source: Space-Track

FLTSATCOM 8 (USA 46), 20253 is a payload satellite owned by SPAWAR (US) in GEO that was launched on Mon, 25 Sep 1989 UTC via an ATLAS G CENTAUR 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

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<iframe src="https://www.satcat.com/sats-embedded/20253?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/20253?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

20253, 1989-077A

Orbit

GEO

Last TLE update

10 hours ago

Origin

United States Navy (US)

Manufacturer

TRW

Mission

Operational Defense Communications

Bus & Motor

FLTSATCOM, STAR 37FM

Mass

1,928 kg wet, 822 kg dry

Launch date (UTC)

1989-09-25 (36 years ago)

Launch vehicle

ATLAS G CENTAUR

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Hex Cyl + 1 Dish + 2 Pan, 13.2 m

Radar Cross Section

11.171 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 10 hours ago

0 FLTSATCOM 8 (USA 46)
1 20253U 89077A   25177.88072770 -.00000377  00000-0  00000-0 0  9992
2 20253  12.5207 353.2921 0003914  82.7193 282.0665  1.00274732257002

Epoch: 2025-06-26T21:08Z

TLE epoch observation values (Epoch: 2025-06-26T21:08:14.873Z)

Latitude

1.02714°

Longitude

125.62442°

Altitude

35,781.776 km

Speed

3.075 km/s

True Right ascension

23h 51m 42s

True Declination

1° 01' 34"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

4.77085°

Longitude

-81.02619°

Altitude

35,780.476 km

Speed

3.075 km/s

Apparent Right ascension

09h 45m 40s

Apparent Declination

0° 43' 10"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

18:39:21

Azimuth

300.708° NW

Elevation

-32.357°

Doppler factor

Orbital elements

Apogee altitude

35,803.269 km

Perigee altitude

35,770.262 km

Semi-major axis

42,164.903 km

Eccentricity

0.00039

Inclination

12.5207°

RAAN

353.2921°

Arg. of periapsis

82.7193°

True anomaly

Unknown

Mean anomaly

282.0665°

Eccentric anomaly

Unknown

Mean motion

0.25068 °/min

Orbital period

1,436.1 mins

BSTAR

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20253 neighbors

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Other satellites on launch #77 in the year 1989 (1989-09-25 UTC)

ATLAS CENTAUR R/B, 20254 (Decayed)

FLTSATCOM 8 (USA 46) Visibility

Observer location: undefined°, undefined°

FLTSATCOM 8 (USA 46) is likely not visible in the next few days

Authenticating...

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Check out FLTSATCOM 8 (USA 46), 20253 on other resources

View FLTSATCOM 8 (USA 46), 20253 on NASA - NSSDCA Website

View FLTSATCOM 8 (USA 46), 20253 on Heavens-Above

View FLTSATCOM 8 (USA 46), 20253 on Keep Track

View FLTSATCOM 8 (USA 46), 20253 on Celestrak

View FLTSATCOM 8 (USA 46), 20253 on Gunter's Space Page

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