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
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: 17 hours ago
TLE from 17 hours ago
0 DIADEME 2
1 02680U 67014A 25261.04386993 .00000871 00000-0 37697-3 0 9993
2 02680 39.4416 229.4881 0702879 290.2944 62.3624 13.41120053839410Epoch: 2025-09-18T01:03Z
TLE epoch observation values (Epoch: 2025-09-18T01:03:10.361Z)
Latitude
-0°
Longitude
-143.5162°
Altitude
891.003 km
Speed
7.513 km/s
True Right ascension
15h 17m 57s
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
11:07:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,633.601 km
Perigee altitude
581.308 km
Semi-major axis
7,485.592 km
Eccentricity
0.07029
Inclination
39.4416°
RAAN
229.4881°
Arg. of periapsis
290.2944°
True anomaly
69.77954°
Mean anomaly
62.3624°
Eccentric anomaly
66.04265°
Mean motion
3.35123 °/min
Orbital period
107.42 mins
BSTAR
0.00037697
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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. |
|---|---|---|---|---|---|---|---|
| 14 mins | 2025-09-19 00:26:19.973Z | 204.886° SW | 2025-09-19 00:32:19.973Z | 149.533° SSE | 29.893° | 2025-09-19 00:40:19.973Z | 83.676° E |
| 16 mins | 2025-09-19 02:19:19.973Z | 244.059° WSW | 2025-09-19 02:26:19.973Z | 156.218° SSE | 43.836° | 2025-09-19 02:35:19.973Z | 81.109° E |
| 17 mins | 2025-09-19 04:13:19.973Z | 270.207° WNW | 2025-09-19 04:20:19.973Z | 250.302° W | 44.821° | 2025-09-19 04:30:19.973Z | 95.24° ESE |
| 17 mins | 2025-09-19 06:07:19.973Z | 278.532° WNW | 2025-09-19 06:15:19.973Z | 202.604° SW | 42.555° | 2025-09-19 06:24:19.973Z | 123.611° SE |
| 14 mins | 2025-09-19 08:02:19.973Z | 269.283° W | 2025-09-19 08:09:19.973Z | 216.174° SW | 27.8° | 2025-09-19 08:16:19.973Z | 164.593° S |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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