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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Edit Public Description
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: 11 hours ago
TLE from 11 hours ago
0 DIADEME 1
1 02674U 67011A 26034.15351550 .00008382 00000-0 92263-3 0 9990
2 02674 39.9171 316.6649 0207727 45.8148 315.9500 14.73112055 70325Epoch: 2026-02-03T03:41Z
TLE epoch observation values (Epoch: 2026-02-03T03:41:03.739Z)
Latitude
-0.00002°
Longitude
128.06076°
Altitude
547.166 km
Speed
7.646 km/s
True Right ascension
21h 06m 39s
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
16:31:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
799.62 km
Perigee altitude
507.486 km
Semi-major axis
7,031.69 km
Eccentricity
0.02077
Inclination
39.9171°
RAAN
316.6649°
Arg. of periapsis
45.8148°
True anomaly
314.26375°
Mean anomaly
315.95°
Eccentric anomaly
315.11003°
Mean motion
3.6809 °/min
Orbital period
97.8 mins
BSTAR
0.00092263
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-02-03 21:47:05.528Z | 197.904° SSW | 2026-02-03 21:50:05.528Z | 139.666° SSE | 20.436° | 2026-02-03 21:52:05.528Z | 104.406° ESE |
| 5 mins | 2026-02-03 23:30:05.528Z | 243.643° WSW | 2026-02-03 23:32:05.528Z | 167.261° S | 42.996° | 2026-02-03 23:35:05.528Z | 85.569° E |
| 7 mins | 2026-02-04 01:12:05.528Z | 273.143° WNW | 2026-02-04 01:15:05.528Z | 103.511° ESE | 44.789° | 2026-02-04 01:19:05.528Z | 95.114° ESE |
| 6 mins | 2026-02-04 02:55:05.528Z | 266.552° W | 2026-02-04 02:58:05.528Z | 183.851° SSW | 35.623° | 2026-02-04 03:01:05.528Z | 130.939° 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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