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DIAPASON (D1-A), 2016

Orbit data source: Space-Track

DIAPASON (D1-A), 2016 is a payload satellite owned by CNES (FR) in LEO that was launched on Thu, 17 Feb 1966 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/2016?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

2016, 1966-013A

Orbit

LEO

Country

Related business

National Center for Space Studies, Paris (FR)

Manufacturer

CNES

Mission

Spacecraft

Bus & Motor

D-1, Unknown motor

Mass

19 kg wet, 19 kg dry

Launch date (UTC)

1966-02-17 (60 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 + 4 ANT, 0.8 m

Radar Cross Section

Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 8 hours ago

TLE from 8 hours ago

0 DIAPASON (D1-A)
1 02016U 66013A   26207.27314166  .00000819  00000-0  22571-3 0  9990
2 02016  34.0944 160.3867 1157690 278.6927  68.4521 12.66590621745400

Epoch: 2026-07-26T06:33Z

TLE epoch observation values (Epoch: 2026-07-26T06:33:19.439Z)

Latitude

-0.00001°

Longitude

118.08225°

Altitude

1,159.707 km

Speed

7.384 km/s

True Right ascension

10h 41m 32s

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

03:27:47

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,299.263 km

Perigee altitude

498.579 km

Semi-major axis

7,777.058 km

Eccentricity

0.11577

Inclination

34.0944°

RAAN

160.3867°

Arg. of periapsis

278.6927°

True anomaly

81.37102°

Mean anomaly

68.4521°

Eccentric anomaly

74.85479°

Mean motion

3.16461 °/min

Orbital period

113.76 mins

BSTAR

0.00022571

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Other satellites on launch #13 in the year 1966 (1966-02-17 UTC)

DIAMANT DEB, 2021 (Decayed)

DIAMANT DEB, 2018 (Decayed)

DIAMANT DEB, 2020 (Decayed)

DIAMANT R/B, 2017

DIAMANT DEB, 2993 (Decayed)

DIAMANT DEB, 14845 (Decayed)

DIAMANT DEB, 19049 (Decayed)

DIAMANT DEB, 2023 (Decayed)

DIAMANT DEB, 3970 (Decayed)

DIAMANT DEB, 14844 (Decayed)

DIAMANT DEB, 6784 (Decayed)

DIAMANT DEB, 2161 (Decayed)

DIAMANT DEB, 5420 (Decayed)

DIAMANT DEB, 5959 (Decayed)

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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

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DIAPASON (D1-A) 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.
5 mins	2026-07-26 21:51:07.515Z	144.44° SSE	2026-07-26 21:53:07.515Z	132.361° SE	11.381°	2026-07-26 21:56:07.515Z	115.784° SE
19 mins	2026-07-26 23:45:07.515Z	206.907° SW	2026-07-26 23:53:07.515Z	147.071° SSE	31.782°	2026-07-27 00:04:07.515Z	88.283° E
23 mins	2026-07-27 01:45:07.515Z	241.686° WSW	2026-07-27 01:54:07.515Z	176.243° S	41.724°	2026-07-27 02:08:07.515Z	91.842° ESE
24 mins	2026-07-27 03:46:07.515Z	263.431° W	2026-07-27 03:57:07.515Z	190.853° SSW	42.578°	2026-07-27 04:10:07.515Z	110.066° ESE
23 mins	2026-07-27 05:48:07.515Z	270.797° WNW	2026-07-27 06:00:07.515Z	201.456° SSW	36.181°	2026-07-27 06:11:07.515Z	138.853° SSE
14 mins	2026-07-27 07:53:07.515Z	259.344° W	2026-07-27 08:00:07.515Z	225.684° WSW	19.312°	2026-07-27 08:07:07.515Z	186.574° 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 DIAPASON (D1-A), 2016 on other resources

View DIAPASON (D1-A), 2016 on NASA - NSSDCA Website

View DIAPASON (D1-A), 2016 on Heavens-Above

View DIAPASON (D1-A), 2016 on Keep Track

View DIAPASON (D1-A), 2016 on Celestrak

View DIAPASON (D1-A), 2016 on Gunter's Space Page

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

DIAPASON (D1-A), 2016

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2026-07-26T06:33:19.439Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #13 in the year 1966 (1966-02-17 UTC)

DIAPASON (D1-A) Visibility forecast

Co-orbital & Co-planar RSOs

Check out DIAPASON (D1-A), 2016 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 8 hours ago