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.
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
2674 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
Edit Public Description
Identifier
Orbit
Country
FRRelated business
Manufacturer
CNES
Mission
Civil Geodetic
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, 0.8 m
Radar Cross Section
0.455 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 5 hours ago
TLE from 5 hours ago
0 DIADEME 1
1 02674U 67011A 25259.29420186 .00007119 00000-0 81925-3 0 9995
2 02674 39.9183 357.0564 0217461 165.3262 195.3961 14.70271325 49717Epoch: 2025-09-16T07:03Z
TLE epoch observation values (Epoch: 2025-09-16T07:03:39.04Z)
Latitude
-0.00004°
Longitude
-104.34288°
Altitude
807.417 km
Speed
7.373 km/s
True Right ascension
23h 48m 13s
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
05:03:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
815.71 km
Perigee altitude
509.493 km
Semi-major axis
7,040.738 km
Eccentricity
0.02175
Inclination
39.9183°
RAAN
357.0564°
Arg. of periapsis
165.3262°
True anomaly
194.75144°
Mean anomaly
195.3961°
Eccentric anomaly
195.07211°
Mean motion
3.6738 °/min
Orbital period
97.99 mins
BSTAR
0.00081925
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #11 in the year 1967 (1967-02-08 UTC)
Did you know?
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
Loading observer location...
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 | 2025-09-16 14:00:09.569Z | 274.688° WNW | 2025-09-16 14:03:09.569Z | 174.893° S | 44.335° | 2025-09-16 14:07:09.569Z | 105.239° ESE |
| 6 mins | 2025-09-16 15:43:09.569Z | 260.884° W | 2025-09-16 15:46:09.569Z | 199.868° SSW | 26.076° | 2025-09-16 15:49:09.569Z | 148.547° SSE |
| 6 mins | 2025-09-17 09:21:09.569Z | 193.519° SSW | 2025-09-17 09:24:09.569Z | 143.57° SSE | 25.02° | 2025-09-17 09:27:09.569Z | 99.345° ESE |
| 8 mins | 2025-09-17 11:03:09.569Z | 245.115° WSW | 2025-09-17 11:07:09.569Z | 132.449° SE | 42.341° | 2025-09-17 11:11:09.569Z | 83.257° E |
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 ascending order |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in ascending order |
|---|