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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>

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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 02680U 67014A   26074.59068672  .00001149  00000-0  48359-3 0  9993
2 02680  39.4403 155.0111 0700189 229.0426 124.7647 13.41824963863396

Epoch: 2026-03-15T14:10Z

TLE epoch observation values (Epoch: 2026-03-15T14:10:35.332Z)

Latitude

0.00003°

Longitude

129.16859°

Altitude

1,423.813 km

Speed

6.995 km/s

True Right ascension

10h 20m 02s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

00:20:25

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,628.784 km

Perigee altitude

580.885 km

Semi-major axis

7,482.972 km

Eccentricity

0.07002

Inclination

39.4403°

RAAN

155.0111°

Arg. of periapsis

229.0426°

True anomaly

131.02978°

Mean anomaly

124.7647°

Eccentric anomaly

127.92909°

Mean motion

3.35299 °/min

Orbital period

107.37 mins

BSTAR

0.00048359

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

DIAMANT DEB, 15531 (Decayed)

DIAMANT DEB, 2683 (Decayed)

DIAMANT DEB, 18929 (Decayed)

DIAMANT DEB *, 14505 (Decayed)

DIAMANT DEB, 2685

DIAMANT DEB, 2684

DIAMANT R/B, 2682

DIAMANT DEB, 18928 (Decayed)

DIAMANT DEB, 3935 (Decayed)

DIAMANT DEB, 3589 (Decayed)

DIAMANT DEB, 14633 (Decayed)

DIAMANT DEB, 2681 (Decayed)

DIAMANT DEB *, 18911 (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.
11 mins	2026-03-16 06:22:11.362Z	170.325° S	2026-03-16 06:28:11.362Z	131.008° SE	17.404°	2026-03-16 06:33:11.362Z	99.684° ESE
16 mins	2026-03-16 08:13:11.362Z	215.546° SW	2026-03-16 08:21:11.362Z	144.383° SSE	36.851°	2026-03-16 08:29:11.362Z	82.195° E
18 mins	2026-03-16 10:06:11.362Z	251.959° W	2026-03-16 10:15:11.362Z	155.293° SSE	44.594°	2026-03-16 10:24:11.362Z	82.879° E
16 mins	2026-03-16 12:01:11.362Z	273.658° WNW	2026-03-16 12:09:11.362Z	240.215° WSW	44.734°	2026-03-16 12:17:11.362Z	100.403° ESE
14 mins	2026-03-16 13:56:11.362Z	277.815° WNW	2026-03-16 14:03:11.362Z	215.338° SW	38.86°	2026-03-16 14:10:11.362Z	133.889° SE
8 mins	2026-03-16 15:52:11.362Z	257.452° W	2026-03-16 15:56:11.362Z	223.711° SW	17.139°	2026-03-16 16:00:11.362Z	187.083° 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: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-03-15T14:10:35.332Z)

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