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SYMPHONIE 1, 7578

Orbit data source: Space-Track

SYMPHONIE 1, 7578 is an FR and DE payload satellite in GEO that was launched on Thu, 19 Dec 1974 UTC via a DELTA 2914 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/7578?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/7578?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

7578, 1974-101A

Orbit

GEO

Last TLE update

13 hours ago

Origin

German Aerospace Center (FR / FGER)

German Aerospace Center (DE / FGER)

Manufacturer

AELM/CIFAS

Mission

Civil Communications

Bus & Motor

SYMPHONIE, S400

Mass

400 kg wet, 240 kg dry

Launch date (UTC)

1974-12-19 (50 years ago)

Launch vehicle

DELTA 2914

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Hex Cyl + 3 Pan, 6.8 m

Radar Cross Section

5.619 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 13 hours ago

0 SYMPHONIE 1
1  7578U 74101A   25129.17268220  .00000104  00000-0  00000+0 0  9991
2  7578   5.6095 282.0935 0001486  68.3095 323.8903  0.99955247113590

Epoch: 2025-05-09T04:08Z

Definitive object data (Epoch: 2025-05-09T04:08:39.742Z)

Latitude

3.00864°

Longitude

24.74872°

Altitude

35,869.684 km

Speed

3.072 km/s

True Right ascension

20h 56m 35s

True Declination

3° 00' 20"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

-3.62492°

Longitude

-147.4898°

Altitude

35,881.06 km

Speed

3.071 km/s

Apparent Right ascension

09h 46m 46s

Apparent Declination

-8° 26' 17"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

00:50:30

Azimuth

65.167° ENE

Elevation

-38.45°

Doppler factor

Orbital elements

Apogee altitude

35,882.899 km

Perigee altitude

35,870.34 km

Semi-major axis

42,254.756 km

Eccentricity

0.0001486

Inclination

5.6095°

RAAN

282.0935°

Arg. of periapsis

68.3095°

True anomaly

323.88026°

Mean anomaly

323.8903°

Eccentric anomaly

323.88528°

Mean motion

0.24988 °/min

BSTAR

Unknown

Orbital period

1440.7 mins

Loading historical data...

7578 neighbors

Authenticating...

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Loading SW <> Apogee altitude chart data...

Loading historical data...

Other satellites on launch #101 in the year 1974 (1974-12-19 UTC)

THORAD DELTA 1 R/B(1), 7579 (Decayed)

THORAD DELTA 1 DEB, 7580 (Decayed)

THORAD DELTA 1 DEB, 7581 (Decayed)

THORAD DELTA 1 DEB, 8739 (Decayed)

THORAD DELTA 1 DEB, 8740 (Decayed)

THORAD DELTA 1 R/B(2), 9330

SYMPHONIE 1 Visibility forecast

Observer location: undefined°, undefined°

SYMPHONIE 1 is not visible in the next 10 days

Authenticating...

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Check out SYMPHONIE 1, 7578 on other resources

View SYMPHONIE 1, 7578 on NASA - NSSDCA Website

View SYMPHONIE 1, 7578 on Heavens-Above

View SYMPHONIE 1, 7578 on Keep Track

View SYMPHONIE 1, 7578 on Celestrak

View SYMPHONIE 1, 7578 on Gunter's Space Page

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