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: 9 hours ago
TLE from 9 hours ago
0 DIADEME 1
1 2674U 67011A 26124.20970127 .00003927 00000-0 42799-3 0 9992
2 2674 39.9157 185.4275 0206334 306.7809 51.4195 14.74391024 83616Epoch: 2026-05-04T05:01Z
TLE epoch observation values (Epoch: 2026-05-04T05:01:58.189Z)
Latitude
-0.00001°
Longitude
-112.16714°
Altitude
558.016 km
Speed
7.632 km/s
True Right ascension
12h 21m 42s
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
21:58:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
794.493 km
Perigee altitude
504.485 km
Semi-major axis
7,027.626 km
Eccentricity
0.02063
Inclination
39.9157°
RAAN
185.4275°
Arg. of periapsis
306.7809°
True anomaly
53.2977°
Mean anomaly
51.4195°
Eccentric anomaly
52.35559°
Mean motion
3.68409 °/min
Orbital period
97.72 mins
BSTAR
0.00042799
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-05-05 07:15:14.327Z | 211.21° SW | 2026-05-05 07:18:14.327Z | 160.802° S | 29.927° | 2026-05-05 07:22:14.327Z | 92.082° ESE |
| 8 mins | 2026-05-05 08:58:14.327Z | 253.708° W | 2026-05-05 09:01:14.327Z | 173.924° S | 44.601° | 2026-05-05 09:06:14.327Z | 83.513° E |
| 9 mins | 2026-05-05 10:40:14.327Z | 274.828° WNW | 2026-05-05 10:44:14.327Z | 235.305° WSW | 44.848° | 2026-05-05 10:49:14.327Z | 99.397° ESE |
| 9 mins | 2026-05-05 12:23:14.327Z | 271.81° WNW | 2026-05-05 12:27:14.327Z | 206.86° SW | 36.197° | 2026-05-05 12:32:14.327Z | 132.791° SE |
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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