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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Edit Public Description
Identifier
Orbit
Country
FRRelated business
Manufacturer
CNES
Mission
Civil Geodetic
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
0.455 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 DIADEME 1
1 02674U 67011A 25260.24511730 .00005996 00000-0 69228-3 0 9991
2 02674 39.9182 351.8982 0217571 171.8530 188.5871 14.70282628 49851Epoch: 2025-09-17T05:52Z
TLE epoch observation values (Epoch: 2025-09-17T05:52:58.134Z)
Latitude
-0.00006°
Longitude
-92.76794°
Altitude
811.077 km
Speed
7.369 km/s
True Right ascension
23h 27m 35s
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
05:12:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
815.75 km
Perigee altitude
509.38 km
Semi-major axis
7,040.702 km
Eccentricity
0.02176
Inclination
39.9182°
RAAN
351.8982°
Arg. of periapsis
171.853°
True anomaly
188.2246°
Mean anomaly
188.5871°
Eccentric anomaly
188.40489°
Mean motion
3.67383 °/min
Orbital period
97.99 mins
BSTAR
0.00069228
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-09-18 13:15:18.663Z | 276.913° WNW | 2025-09-18 13:20:18.663Z | 161.532° S | 43.802° | 2025-09-18 13:24:18.663Z | 107.41° ESE |
| 6 mins | 2025-09-18 15:00:18.663Z | 258.085° W | 2025-09-18 15:03:18.663Z | 198.252° SSW | 24.869° | 2025-09-18 15:06:18.663Z | 150.945° SSE |
| 7 mins | 2025-09-19 08:37:18.663Z | 202.589° SW | 2025-09-19 08:40:18.663Z | 158.781° S | 27.27° | 2025-09-19 08:44:18.663Z | 95.901° ESE |
| 8 mins | 2025-09-19 10:20:18.663Z | 247.163° WSW | 2025-09-19 10:23:18.663Z | 202.035° SSW | 43.124° | 2025-09-19 10:28:18.663Z | 82.996° E |
| 8 mins | 2025-09-19 12:03:18.663Z | 272.909° WNW | 2025-09-19 12:07:18.663Z | 97.125° ESE | 44.312° | 2025-09-19 12:11:18.663Z | 94.77° ESE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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