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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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https://www.satcat.com/sats-embedded/2680?theme=dark&initialShowStats=false

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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: 14 hours ago

TLE from 14 hours ago

0 DIADEME 2
1 02680U 67014A   26035.21259619  .00002258  00000-0  93881-3 0  9994
2 02680  39.4401 330.3176 0699567   4.1352 356.4785 13.41684736858102

Epoch: 2026-02-04T05:06Z

TLE epoch observation values (Epoch: 2026-02-04T05:06:08.310Z)

Latitude

0°

Longitude

119.40056°

Altitude

580.302 km

Speed

7.831 km/s

True Right ascension

22h 01m 16s

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

20:37:52

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,628.876 km

Perigee altitude

581.835 km

Semi-major axis

7,483.493 km

Eccentricity

0.06996

Inclination

39.4401°

RAAN

330.3176°

Arg. of periapsis

4.1352°

True anomaly

355.93923°

Mean anomaly

356.4785°

Eccentric anomaly

356.21382°

Mean motion

3.35264 °/min

Orbital period

107.38 mins

BSTAR

0.00093881

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

DIAMANT DEB, 15531 (Decayed)

DIAMANT DEB, 2685

DIAMANT DEB, 2684

DIAMANT DEB, 3935 (Decayed)

DIAMANT DEB, 18928 (Decayed)

DIAMANT R/B, 2682

DIAMANT DEB *, 18911 (Decayed)

DIAMANT DEB *, 14505 (Decayed)

DIAMANT DEB, 2683 (Decayed)

DIAMANT DEB, 14633 (Decayed)

DIAMANT DEB, 3589 (Decayed)

DIAMANT DEB, 2681 (Decayed)

DIAMANT DEB, 18929 (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.
9 mins	2026-02-04 23:10:35.613Z	220.006° SW	2026-02-04 23:14:35.613Z	150.595° SSE	33.739°	2026-02-04 23:19:35.613Z	85.544° E
11 mins	2026-02-05 01:03:35.613Z	259.511° W	2026-02-05 01:07:35.613Z	155.115° SSE	44.805°	2026-02-05 01:14:35.613Z	86.611° E
12 mins	2026-02-05 02:56:35.613Z	274.538° WNW	2026-02-05 03:01:35.613Z	155.897° SSE	43.862°	2026-02-05 03:08:35.613Z	108.622° ESE
13 mins	2026-02-05 04:49:35.613Z	268.151° W	2026-02-05 04:54:35.613Z	210.318° SW	34.028°	2026-02-05 05:02:35.613Z	142.641° SSE
8 mins	2026-02-05 06:44:35.613Z	245.769° WSW	2026-02-05 06:47:35.613Z	223.864° SW	15.174°	2026-02-05 06:52:35.613Z	190.764° SSW

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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: 14 hours ago

TLE from 14 hours ago

TLE epoch observation values (Epoch: 2026-02-04T05:06:08.310Z)

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: 14 hours ago