DIADEME 1, 2674
Orbit data source: Space-Track
DIADEME 1, 2674 is a payload satellite owned by CNES (FR) in LEO that was launched on Wed, 08 Feb 1967 UTC via a DIAMANT A launch vehicle from the Hamma Guira Space Track Range (HGSTR). 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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2674 intel report (Beta)
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Identifier
Orbit
Country
FRRelated business
Manufacturer
CNES
Mission
Spacecraft
Bus & Motor
D-1, Unknown motor
Mass
23 kg wet, 23 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
CYL + 4 PAN, 0.8 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 9 hours ago
TLE from 9 hours ago
0 DIADEME 1
1 02674U 67011A 26224.43222062 .00001270 00000-0 14683-3 0 9996
2 02674 39.9192 357.9031 0204983 278.9252 78.8379 14.75127266 98418Epoch: 2026-08-12T10:22Z
TLE epoch observation values (Epoch: 2026-08-12T10:22:23.861Z)
Latitude
0°
Longitude
-118.58256°
Altitude
619.187 km
Speed
7.565 km/s
True Right ascension
23h 51m 36s
True Declination
0° 00' 00"
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
09:31:10
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
791.158 km
Perigee altitude
503.145 km
Semi-major axis
7,025.288 km
Eccentricity
0.0205
Inclination
39.9192°
RAAN
357.9031°
Arg. of periapsis
278.9252°
True anomaly
81.15325°
Mean anomaly
78.8379°
Eccentric anomaly
79.9945°
Mean motion
3.68593 °/min
Orbital period
97.67 mins
BSTAR
0.00014683
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Other satellites on launch #11 in the year 1967 (1967-02-08 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.DIADEME 1 Visibility forecast
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-08-13 12:36:40.469Z | 220.773° SW | 2026-08-13 12:39:40.469Z | 158.427° S | 36.921° | 2026-08-13 12:44:40.469Z | 84.098° E |
| 9 mins | 2026-08-13 14:18:40.469Z | 262.139° W | 2026-08-13 14:22:40.469Z | 139.479° SSE | 44.959° | 2026-08-13 14:27:40.469Z | 85.68° E |
| 9 mins | 2026-08-13 16:01:40.469Z | 276.014° WNW | 2026-08-13 16:05:40.469Z | 202.528° SW | 44.461° | 2026-08-13 16:10:40.469Z | 106.457° ESE |
| 8 mins | 2026-08-13 17:44:40.469Z | 267.29° W | 2026-08-13 17:48:40.469Z | 204.305° SW | 30.901° | 2026-08-13 17:52:40.469Z | 146.656° SSE |
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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