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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
7578 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
Edit Public Description
Identifier
Orbit
Country
Unknown / 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
Unknown
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 17 hours ago
TLE from 17 hours ago
0 SYMPHONIE 1
1 07578U 74101A 25340.74064363 -.00000285 00000-0 00000-0 0 9993
2 07578 5.0696 279.4461 0005012 346.3157 220.8373 0.99963741115274Epoch: 2025-12-06T17:46Z
TLE epoch observation values (Epoch: 2025-12-06T17:46:31.609Z)
Latitude
-2.30211°
Longitude
144.05118°
Altitude
35,889.09 km
Speed
3.07 km/s
True Right ascension
08h 25m 47s
True Declination
-2° 17' 59"
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
09:07:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,895.406 km
Perigee altitude
35,853.052 km
Semi-major axis
42,252.366 km
Eccentricity
0.0005
Inclination
5.0696°
RAAN
279.4461°
Arg. of periapsis
346.3157°
True anomaly
220.79976°
Mean anomaly
220.8373°
Eccentric anomaly
220.81853°
Mean motion
0.2499 °/min
Orbital period
1,440.58 mins
BSTAR
0
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #101 in the year 1974 (1974-12-19 UTC)
Did you know?
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
Loading 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. |
|---|---|---|---|---|---|---|---|
| SYMPHONIE 1 is likely not visible in the next few days. |
Loading historical data...
7578 neighbors
Authenticating...
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 |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
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 |
|---|