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: 4 hours ago
TLE from 4 hours ago
0 SYMPHONIE 1
1 7578U 74101A 26306.51203963 -.00000368 00000-0 00000+0 0 9993
2 7578 4.2270 275.3138 0004624 344.3596 91.9227 0.99956609118589Epoch: 2026-11-02T12:17Z
TLE epoch observation values (Epoch: 2026-11-02T12:17:20.224Z)
Latitude
4.12778°
Longitude
125.4653°
Altitude
35,874.981 km
Speed
3.071 km/s
True Right ascension
23h 26m 21s
True Declination
4° 07' 25"
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
12:27:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,895.78 km
Perigee altitude
35,856.704 km
Semi-major axis
42,254.379 km
Eccentricity
0.00046
Inclination
4.227°
RAAN
275.3138°
Arg. of periapsis
344.3596°
True anomaly
91.97566°
Mean anomaly
91.9227°
Eccentric anomaly
91.94918°
Mean motion
0.24988 °/min
Orbital period
1,440.68 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. |
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| 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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