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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7578 intel report (Beta)
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Identifier
Orbit
Country
FR / FGER
DE / FGERRelated business
Manufacturer
AELM/CIFAS
Mission
Spacecraft
Bus & Motor
SYMPHONIE, S400
Mass
400 kg wet, 240 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
HEX CYL + 2 PAN, 1.1 m
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 SYMPHONIE 1
1 07578U 74101A 26255.25898155 -.00000005 00000-0 00000-0 0 9999
2 07578 4.3586 275.9345 0002846 325.0193 25.8389 0.99963375118065Epoch: 2026-09-12T06:12Z
TLE epoch observation values (Epoch: 2026-09-12T06:12:56.005Z)
Latitude
-0.66722°
Longitude
-177.66149°
Altitude
35,862.106 km
Speed
3.072 km/s
True Right ascension
17h 47m 22s
True Declination
0° 39' 60"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
09:33:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,886.36 km
Perigee altitude
35,862.31 km
Semi-major axis
42,252.472 km
Eccentricity
0.00028
Inclination
4.3586°
RAAN
275.9345°
Arg. of periapsis
325.0193°
True anomaly
25.85312°
Mean anomaly
25.8389°
Eccentric anomaly
25.84601°
Mean motion
0.2499 °/min
Orbital period
1,440.58 mins
BSTAR
0
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Other satellites on launch #101 in the year 1974 (1974-12-19 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.SYMPHONIE 1 Visibility
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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. |
|---|---|---|---|---|---|---|---|
| SYMPHONIE 1 is likely not visible in the next few days. |
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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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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