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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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<iframe src="https://www.satcat.com/sats-embedded/2674?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/2674?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

2674, 1967-011A

Orbit

LEO

Last TLE update

5 hours ago

Origin

National Center for Space Studies, Paris (FR)

Manufacturer

CNES

Mission

Civil Geodetic

Bus & Motor

D-1, Unknown motor

Mass

23 kg wet, 23 kg dry

Launch date (UTC)

1967-02-08 (58 years ago)

Launch vehicle

DIAMANT A

Launch site

Hamma Guira Space Track Range (HGSTR)

Object type

Payload

Rocket body

Debris

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 & history

TLE from 5 hours ago

0 DIADEME 1
1  2674U 67011A   25199.77507148  .00004241  00000-0  50145-3 0  9998
2  2674  39.9179 319.7318 0219456 117.4345 244.8938 14.69575154 40462

Epoch: 2025-07-18T18:36Z

TLE epoch observation values (Epoch: 2025-07-18T18:36:06.175Z)

Latitude

-0.00005°

Longitude

103.88432°

Altitude

730.162 km

Speed

7.456 km/s

True Right ascension

21h 18m 55s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

-24.64653°

Longitude

69.76325°

Altitude

811.932 km

Speed

7.372 km/s

Apparent Right ascension

21h 08m 41s

Apparent Declination

-37° 50' 59"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

12:05:56

Azimuth

101.086° ESE

Elevation

-55.797°

Doppler factor

Orbital elements

Apogee altitude

819.385 km

Perigee altitude

510.261 km

Semi-major axis

7,042.96 km

Eccentricity

0.02195

Inclination

39.9179°

RAAN

319.7318°

Arg. of periapsis

117.4345°

True anomaly

242.6434°

Mean anomaly

244.8938°

Eccentric anomaly

243.76593°

Mean motion

3.67206 °/min

Orbital period

98.04 mins

BSTAR

0.00050145

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Other satellites on launch #11 in the year 1967 (1967-02-08 UTC)

DIAMANT R/B, 2671

DIAMANT DEB, 2673 (Decayed)

DIAMANT DEB, 2675 (Decayed)

DIAMANT DEB, 2676 (Decayed)

DIAMANT DEB, 2677 (Decayed)

DIAMANT DEB, 2688 (Decayed)

DIAMANT DEB, 2689 (Decayed)

DIAMANT DEB, 2690 (Decayed)

DIAMANT DEB, 2691 (Decayed)

DIAMANT DEB, 2692 (Decayed)

DIAMANT DEB, 2900 (Decayed)

DIAMANT DEB, 2990 (Decayed)

DIADEME 1 DEB, 3742 (Decayed)

DIADEME 1 DEB *, 4009 (Decayed)

DIADEME 1 Visibility forecast

Observer location: undefined°, undefined°

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	2025-07-19 11:06:21.560Z	206.911° SW	2025-07-19 11:10:21.560Z	141.669° SSE	23.49°	2025-07-19 11:13:21.560Z	95.976° ESE
6 mins	2025-07-19 12:50:21.560Z	245.792° WSW	2025-07-19 12:52:21.560Z	209.64° SW	41.962°	2025-07-19 12:56:21.560Z	84.281° E
6 mins	2025-07-19 14:33:21.560Z	273.21° WNW	2025-07-19 14:36:21.560Z	97.627° ESE	42.899°	2025-07-19 14:39:21.560Z	95.246° ESE
6 mins	2025-07-19 16:16:21.560Z	265.515° W	2025-07-19 16:18:21.560Z	223.287° SW	33.145°	2025-07-19 16:22:21.560Z	130.096° 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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Check out DIADEME 1, 2674 on other resources

View DIADEME 1, 2674 on NASA - NSSDCA Website

View DIADEME 1, 2674 on Heavens-Above

View DIADEME 1, 2674 on Keep Track

View DIADEME 1, 2674 on Celestrak

View DIADEME 1, 2674 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.