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USA 39, 20066

Orbit data source: Space-Track

USA 39, 20066 is a payload satellite owned by USAF SSD (US) in GEO that was launched on Wed, 14 Jun 1989 UTC via a TITAN 402A/IUS 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/20066?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/20066?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

20066, 1989-046A

Orbit

GEO

Last TLE update

19 hours ago

Origin

United States Air Force (US)

Manufacturer

TRW

Mission

Defense Early Warn

Bus & Motor

DSP B14, MRE-4

Mass

2,360 kg wet, ~2,200 kg dry

Launch date (UTC)

1989-06-14 (36 years ago)

Launch vehicle

TITAN 402A/IUS

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl + 1 Pan, 11.5 m

Radar Cross Section

31.528 m²

Expand to show TLE details & history

TLE from 19 hours ago

0 USA 39
1 20066U 89046A   25169.81553226 -.00000245  00000-0  00000-0 0  9998
2 20066  13.1754 343.9481 0002409 196.5653 152.3969  0.98820560 22231

Epoch: 2025-06-18T19:34Z

TLE epoch observation values (Epoch: 2025-06-18T19:34:21.987Z)

Latitude

-2.5019°

Longitude

132.31429°

Altitude

36,207.359 km

Speed

3.059 km/s

True Right ascension

22h 12m 47s

True Declination

-2° 29' 58"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-13.16174°

Longitude

57.27268°

Altitude

36,198.61 km

Speed

3.06 km/s

Apparent Right ascension

16h 52m 27s

Apparent Declination

-17° 09' 04"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

01:40:16

Azimuth

284.495° WNW

Elevation

-42.778°

Doppler factor

Orbital elements

Apogee altitude

36,209.634 km

Perigee altitude

36,189.12 km

Semi-major axis

42,577.514 km

Eccentricity

0.00024

Inclination

13.1754°

RAAN

343.9481°

Arg. of periapsis

196.5653°

True anomaly

Unknown

Mean anomaly

152.3969°

Eccentric anomaly

Unknown

Mean motion

0.24704 °/min

Orbital period

1,457.24 mins

BSTAR

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20066 neighbors

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Other satellites on launch #46 in the year 1989 (1989-06-14 UTC)

USA 39 Visibility

Observer location: undefined°, undefined°

USA 39 is likely not visible in the next few days

Authenticating...

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Check out USA 39, 20066 on other resources

View USA 39, 20066 on NASA - NSSDCA Website

View USA 39, 20066 on Heavens-Above

View USA 39, 20066 on Keep Track

View USA 39, 20066 on Celestrak

View USA 39, 20066 on Gunter's Space Page

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