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: 17 hours ago
TLE from 17 hours ago
0 DIADEME 1
1 02674U 67011A 26269.24828423 .00002589 00000-0 28213-3 0 9995
2 02674 39.9163 112.8997 0204324 228.7691 129.5323 14.75336804105034Epoch: 2026-09-26T05:57Z
TLE epoch observation values (Epoch: 2026-09-26T05:57:31.757Z)
Latitude
-0.00001°
Longitude
18.45829°
Altitude
736.549 km
Speed
7.439 km/s
True Right ascension
07h 31m 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
16:45:06
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
790.017 km
Perigee altitude
502.957 km
Semi-major axis
7,024.624 km
Eccentricity
0.02043
Inclination
39.9163°
RAAN
112.8997°
Arg. of periapsis
228.7691°
True anomaly
131.30894°
Mean anomaly
129.5323°
Eccentric anomaly
130.42351°
Mean motion
3.68645 °/min
Orbital period
97.65 mins
BSTAR
0.00028213
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-09-27 16:15:28.884Z | 205.45° SW | 2026-09-27 16:19:28.884Z | 153.537° SSE | 30.029° | 2026-09-27 16:24:28.884Z | 89.507° E |
| 9 mins | 2026-09-27 17:58:28.884Z | 245.567° WSW | 2026-09-27 18:02:28.884Z | 153.738° SSE | 71.657° | 2026-09-27 18:07:28.884Z | 82.19° E |
| 9 mins | 2026-09-27 19:41:28.884Z | 272.175° WNW | 2026-09-27 19:45:28.884Z | 60.744° ENE | 88.304° | 2026-09-27 19:50:28.884Z | 92.921° ESE |
| 8 mins | 2026-09-27 21:24:28.884Z | 274.282° WNW | 2026-09-27 21:28:28.884Z | 194.694° SSW | 58.165° | 2026-09-27 21:32:28.884Z | 124.232° SE |
| 5 mins | 2026-09-27 23:08:28.884Z | 247.672° W | 2026-09-27 23:10:28.884Z | 219.504° SW | 19.298° | 2026-09-27 23:13:28.884Z | 177.134° S |
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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