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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.

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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

Country

Unknown / FGER

Related business

German Aerospace Center (DE)

Manufacturer

AELM/CIFAS

Mission

Civil Communications

Bus & Motor

SYMPHONIE, S400

Mass

400 kg wet, 240 kg dry

Launch date (UTC)

1974-12-19 (51 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, 3.4 m

Radar Cross Section

5.619 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 18 hours ago

TLE from 18 hours ago

0 SYMPHONIE 1
1 07578U 74101A   25242.57699714 -.00000041  00000-0  00000-0 0  9999
2 07578   5.3235 280.6483 0002397 292.8903 228.9341  0.99942979114296

Epoch: 2025-08-30T13:50Z

TLE epoch observation values (Epoch: 2025-08-30T13:50:52.552Z)

Latitude

1.65092°

Longitude

-104.1957°

Altitude

35,884.942 km

Speed

3.071 km/s

True Right ascension

05h 30m 07s

True Declination

1° 38' 57"

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

23:57:44

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,890.208 km

Perigee altitude

35,869.949 km

Semi-major axis

42,258.216 km

Eccentricity

0.00024

Inclination

5.3235°

RAAN

280.6483°

Arg. of periapsis

292.8903°

True anomaly

228.91339°

Mean anomaly

228.9341°

Eccentric anomaly

228.92375°

Mean motion

0.24985 °/min

Orbital period

1,440.87 mins

BSTAR

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Computing Atmospheric mass density...

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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°
Set Observer location

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.
1440 mins	2025-08-31 08:19:08.270Z	180.132° SSW	2025-08-31 09:06:08.270Z	180.121° SSW	37.379°	2025-09-01 08:19:08.270Z	182.203° SSW

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7578 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

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in ascending order

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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.

SYMPHONIE 1, 7578

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 18 hours ago

TLE from 18 hours ago

TLE epoch observation values (Epoch: 2025-08-30T13:50:52.552Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

SYMPHONIE 1 Visibility forecast

7578 neighbors

Co-orbital & Co-planar RSOs

Check out SYMPHONIE 1, 7578 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 18 hours ago