DIADEME 2, 2680
Orbit data source: Space-Track
DIADEME 2, 2680 is a payload satellite owned by CNES (FR) in LEO that was launched on Wed, 15 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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2680 intel report (Beta)
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Edit Public Description
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
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 23 hours ago
TLE from 23 hours ago
0 DIADEME 2
1 2680U 67014A 25304.61116225 .00001939 00000-0 80888-3 0 9999
2 2680 39.4400 35.7053 0700849 178.8625 181.3878 13.41302218845262Epoch: 2025-10-31T14:40Z
TLE epoch observation values (Epoch: 2025-10-31T14:40:04.418Z)
Latitude
-0.00002°
Longitude
135.53376°
Altitude
1,628.06 km
Speed
6.808 km/s
True Right ascension
02h 22m 49s
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
09:16:59
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,631.357 km
Perigee altitude
582.198 km
Semi-major axis
7,484.914 km
Eccentricity
0.07008
Inclination
39.44°
RAAN
35.7053°
Arg. of periapsis
178.8625°
True anomaly
181.209°
Mean anomaly
181.3878°
Eccentric anomaly
181.29691°
Mean motion
3.35168 °/min
Orbital period
107.41 mins
BSTAR
0.00080888
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Other satellites on launch #14 in the year 1967 (1967-02-15 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 2 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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2025-11-01 14:24:05.689Z | 277.384° WNW | 2025-11-01 14:30:05.689Z | 206.56° SW | 39.443° | 2025-11-01 14:35:05.689Z | 127.099° SE |
| 4 mins | 2025-11-01 16:21:05.689Z | 238.749° WSW | 2025-11-01 16:22:05.689Z | 226.289° WSW | 15.163° | 2025-11-01 16:25:05.689Z | 188.024° SSW |
| 13 mins | 2025-11-02 07:55:05.689Z | 194.746° SSW | 2025-11-02 08:01:05.689Z | 149.935° SSE | 27.409° | 2025-11-02 08:08:05.689Z | 91.186° ESE |
| 15 mins | 2025-11-02 09:47:05.689Z | 237.132° WSW | 2025-11-02 09:55:05.689Z | 165.226° S | 42.1° | 2025-11-02 10:02:05.689Z | 82.271° E |
| 13 mins | 2025-11-02 11:42:05.689Z | 265.555° W | 2025-11-02 11:49:05.689Z | 222.212° SW | 44.928° | 2025-11-02 11:55:05.689Z | 90.195° 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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