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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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, 1.1 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 6 hours ago
TLE from 6 hours ago
0 DIADEME 2
1 02680U 67014A 26254.55367323 .00000680 00000-0 29809-3 0 9992
2 02680 39.4388 73.4806 0700399 176.5609 184.0292 13.42197902887572Epoch: 2026-09-11T13:17Z
TLE epoch observation values (Epoch: 2026-09-11T13:17:17.367Z)
Latitude
0.00002°
Longitude
-116.4171°
Altitude
1,623.165 km
Speed
6.81 km/s
True Right ascension
04h 53m 55s
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
11:26:49
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,627.459 km
Perigee altitude
579.44 km
Semi-major axis
7,481.586 km
Eccentricity
0.07004
Inclination
39.4388°
RAAN
73.4806°
Arg. of periapsis
176.5609°
True anomaly
183.51069°
Mean anomaly
184.0292°
Eccentric anomaly
183.76564°
Mean motion
3.35392 °/min
Orbital period
107.34 mins
BSTAR
0.00029809
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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 | 2026-09-11 19:04:02.565Z | 273.95° WNW | 2026-09-11 19:10:02.565Z | 216.437° SW | 82.884° | 2026-09-11 19:15:02.565Z | 100.863° ESE |
| 8 mins | 2026-09-11 20:59:02.565Z | 270.134° WNW | 2026-09-11 21:03:02.565Z | 212.113° SW | 41.885° | 2026-09-11 21:07:02.565Z | 142.443° SSE |
| 5 mins | 2026-09-12 12:39:02.565Z | 148.959° SSE | 2026-09-12 12:41:02.565Z | 136.35° SSE | 12.801° | 2026-09-12 12:44:02.565Z | 117.022° SE |
| 14 mins | 2026-09-12 14:27:02.565Z | 207.611° SW | 2026-09-12 14:34:02.565Z | 152.16° SSE | 38.235° | 2026-09-12 14:41:02.565Z | 87.231° E |
| 15 mins | 2026-09-12 16:20:02.565Z | 245.53° WSW | 2026-09-12 16:28:02.565Z | 158.712° S | 72.635° | 2026-09-12 16:35:02.565Z | 81.839° E |
| 12 mins | 2026-09-12 18:15:02.565Z | 270.549° WNW | 2026-09-12 18:22:02.565Z | 117.145° SE | 83.243° | 2026-09-12 18:27:02.565Z | 94.821° ESE |
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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