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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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Identifier
7578, 1974-101A
Orbit
GEO
Last TLE update
3 days ago
Origin
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, 6.8 m
Radar Cross Section
5.619 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 3 days ago
0 SYMPHONIE 1
1 07578U 74101A   25189.19763882 -.00000252  00000-0  00000-0 0  9999
2 07578   5.4562 281.3162 0000593 242.5895 151.4192  0.99958123113763
Epoch: 2025-07-08T04:44Z
TLE epoch observation values (Epoch: 2025-07-08T04:44:35.994Z)
Latitude
3.03112°
Longitude
-42.34788°
Altitude
35,876.117 km
Speed
3.071 km/s
True Right ascension
21h 00m 47s
True Declination
3° 01' 41"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
0.40834°
Longitude
-71.69838°
Altitude
35,875.829 km
Speed
3.071 km/s
Apparent Right ascension
19h 27m 38s
Apparent Declination
-5° 23' 05"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
15:05:05
Azimuth
110.3° ESE
Elevation
14.759°
Doppler factor
1
Orbital elements
Apogee altitude
35,878.315 km
Perigee altitude
35,873.304 km
Semi-major axis
42,253.947 km
Eccentricity
0.00006
Inclination
5.4562°
RAAN
281.3162°
Arg. of periapsis
242.5895°
True anomaly
Unknown
Mean anomaly
151.4192°
Eccentric anomaly
Unknown
Mean motion
0.24989 °/min
Orbital period
1,440.66 mins
BSTAR
0
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7578 neighbors
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SYMPHONIE 1 Visibility forecast

Observer location: undefined°, undefined°

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 mins2025-07-11 02:48:27.781Z110.314° ESE2025-07-11 08:32:27.781Z106.458° ESE17.65°2025-07-12 02:48:27.781Z111.183° ESE
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