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
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 3 hours ago
TLE from 3 hours ago
0 DIADEME 1
1 2674U 67011A 26104.56527949 .00003166 00000-0 35112-3 0 9995
2 2674 39.9166 292.6619 0205356 171.8382 188.5821 14.74211501 80716Epoch: 2026-04-14T13:34Z
TLE epoch observation values (Epoch: 2026-04-14T13:34:00.147Z)
Latitude
-0.00002°
Longitude
-113.57844°
Altitude
789.806 km
Speed
7.385 km/s
True Right ascension
19h 30m 38s
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
23:18:05
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
794.387 km
Perigee altitude
505.731 km
Semi-major axis
7,028.196 km
Eccentricity
0.02054
Inclination
39.9166°
RAAN
292.6619°
Arg. of periapsis
171.8382°
True anomaly
188.23964°
Mean anomaly
188.5821°
Eccentric anomaly
188.41001°
Mean motion
3.68364 °/min
Orbital period
97.73 mins
BSTAR
0.00035112
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-04-14 17:04:04.664Z | 240.611° WSW | 2026-04-14 17:08:04.664Z | 187.944° SSW | 40.426° | 2026-04-14 17:12:04.664Z | 85.981° E |
| 7 mins | 2026-04-14 18:48:04.664Z | 269.245° W | 2026-04-14 18:51:04.664Z | 272.647° WNW | 44.289° | 2026-04-14 18:55:04.664Z | 89.801° E |
| 7 mins | 2026-04-14 20:31:04.664Z | 273.296° WNW | 2026-04-14 20:34:04.664Z | 210.573° SW | 40.877° | 2026-04-14 20:38:04.664Z | 118.205° SE |
| 4 mins | 2026-04-14 22:15:04.664Z | 239.973° WSW | 2026-04-14 22:16:04.664Z | 222.687° SW | 17.326° | 2026-04-14 22:19:04.664Z | 172.084° S |
| 8 mins | 2026-04-15 15:48:04.664Z | 215.721° SW | 2026-04-15 15:52:04.664Z | 141.154° SSE | 31.869° | 2026-04-15 15:56:04.664Z | 87.35° E |
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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