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DIADEME 2, 2680

Orbit data source: Space-Track

DIADEME 2, 2680 is a payload satellite owned by CNES (FR) in LEO that was launched on Wed, 15 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/2680?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/2680?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

2680, 1967-014A

Orbit

LEO

Country

Related business

National Center for Space Studies, Paris (FR)

Manufacturer

CNES

Mission

Spacecraft

Bus & Motor

D-1, Unknown motor

Mass

23 kg wet, 23 kg dry

Launch date (UTC)

1967-02-15 (59 years ago)

Launch vehicle

DIAMANT A

Launch site

Hamma Guira Space Track Range (HGSTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 6 hours ago

TLE from 6 hours ago

0 DIADEME 2
1  2680U 67014A   26043.77484436  .00001388  00000-0  59506-3 0  9990
2  2680  39.4375 292.2039 0698981  53.0394 313.2291 13.41717098859252

Epoch: 2026-02-12T18:35Z

TLE epoch observation values (Epoch: 2026-02-12T18:35:46.552Z)

Latitude

-0.00002°

Longitude

-129.56186°

Altitude

765.055 km

Speed

7.64 km/s

True Right ascension

19h 28m 48s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

03:33:04

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,628.309 km

Perigee altitude

582.162 km

Semi-major axis

7,483.373 km

Eccentricity

0.0699

Inclination

39.4375°

RAAN

292.2039°

Arg. of periapsis

53.0394°

True anomaly

307.03476°

Mean anomaly

313.2291°

Eccentric anomaly

310.16879°

Mean motion

3.35272 °/min

Orbital period

107.38 mins

BSTAR

0.00059506

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Other satellites on launch #14 in the year 1967 (1967-02-15 UTC)

DIAMANT DEB, 2681 (Decayed)

DIAMANT DEB, 2683 (Decayed)

DIAMANT DEB *, 18911 (Decayed)

DIAMANT DEB, 18929 (Decayed)

DIAMANT R/B, 2682

DIAMANT DEB, 2685

DIAMANT DEB, 2684

DIAMANT DEB *, 14505 (Decayed)

DIAMANT DEB, 14633 (Decayed)

DIAMANT DEB, 3589 (Decayed)

DIAMANT DEB, 3935 (Decayed)

DIAMANT DEB, 18928 (Decayed)

DIAMANT DEB, 15531 (Decayed)

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DIADEME 2 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.
10 mins	2026-02-13 02:14:12.288Z	265.008° W	2026-02-13 02:19:12.288Z	199.825° SSW	25.551°	2026-02-13 02:24:12.288Z	152.695° SSE
6 mins	2026-02-13 19:50:12.288Z	203.76° SW	2026-02-13 19:52:12.288Z	162.511° S	27.087°	2026-02-13 19:56:12.288Z	91.734° ESE
7 mins	2026-02-13 21:42:12.288Z	256.062° W	2026-02-13 21:45:12.288Z	153.697° SSE	44.344°	2026-02-13 21:49:12.288Z	86.505° E
8 mins	2026-02-13 23:35:12.288Z	271.993° WNW	2026-02-13 23:38:12.288Z	176.657° S	43.867°	2026-02-13 23:43:12.288Z	106.713° ESE

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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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Check out DIADEME 2, 2680 on other resources

View DIADEME 2, 2680 on NASA - NSSDCA Website

View DIADEME 2, 2680 on Heavens-Above

View DIADEME 2, 2680 on Keep Track

View DIADEME 2, 2680 on Celestrak

View DIADEME 2, 2680 on Gunter's Space Page

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

DIADEME 2, 2680

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-02-12T18:35:46.552Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #14 in the year 1967 (1967-02-15 UTC)

DIADEME 2 Visibility forecast

Co-orbital & Co-planar RSOs

Check out DIADEME 2, 2680 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 6 hours ago