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, 1.1 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 14 hours ago
TLE from 14 hours ago
0 DIADEME 1
1 2674U 67011A 26304.17682263 .00001429 00000-0 16459-3 0 9998
2 2674 39.9165 281.8990 0201923 109.8929 252.3733 14.75487813110191Epoch: 2026-10-31T04:14Z
TLE epoch observation values (Epoch: 2026-10-31T04:14:37.475Z)
Latitude
0.00002°
Longitude
178.75658°
Altitude
688.553 km
Speed
7.49 km/s
True Right ascension
18h 47m 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
13:26:29
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
787.842 km
Perigee altitude
504.174 km
Semi-major axis
7,024.145 km
Eccentricity
0.02019
Inclination
39.9165°
RAAN
281.899°
Arg. of periapsis
109.8929°
True anomaly
250.18533°
Mean anomaly
252.3733°
Eccentric anomaly
251.27759°
Mean motion
3.68683 °/min
Orbital period
97.64 mins
BSTAR
0.00016459
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-11-01 01:33:48.064Z | 197.313° SSW | 2026-11-01 01:36:48.064Z | 144.534° SSE | 23.648° | 2026-11-01 01:39:48.064Z | 97.664° ESE |
| 7 mins | 2026-11-01 03:15:48.064Z | 245.982° WSW | 2026-11-01 03:18:48.064Z | 177.507° S | 67.244° | 2026-11-01 03:22:48.064Z | 83.441° E |
| 6 mins | 2026-11-01 04:58:48.064Z | 272.99° WNW | 2026-11-01 05:01:48.064Z | 88.164° E | 79.477° | 2026-11-01 05:04:48.064Z | 93.248° ESE |
| 6 mins | 2026-11-01 06:41:48.064Z | 266.133° W | 2026-11-01 06:43:48.064Z | 218.48° SW | 45.512° | 2026-11-01 06:47:48.064Z | 126.152° SE |
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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