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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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<iframe src="https://www.satcat.com/sats-embedded/2016?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/2016?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

2016, 1966-013A

Orbit

LEO

Last TLE update

21 hours ago

Origin

National Center for Space Studies, Paris (FR)

Manufacturer

CNES

Mission

Civil Geodetic

Bus & Motor

D-1, Unknown motor

Mass

19 kg wet, 19 kg dry

Launch date (UTC)

1966-02-17 (59 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 Rod, 0.8 m

Radar Cross Section

0.455 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 21 hours ago

0 DIAPASON (D1-A)
1  2016U 66013A   25198.58277945  .00000979  00000-0  28617-3 0  9999
2  2016  34.0893 306.3572 1162069 114.2309 258.4043 12.65343756697616

Epoch: 2025-07-17T13:59Z

TLE epoch observation values (Epoch: 2025-07-17T13:59:12.144Z)

Latitude

-0.00005°

Longitude

160.91002°

Altitude

1,678.171 km

Speed

6.91 km/s

True Right ascension

20h 25m 25s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

-4.55734°

Longitude

150.50713°

Altitude

1,882.009 km

Speed

6.731 km/s

Apparent Right ascension

17h 18m 05s

Apparent Declination

-34° 19' 27"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

23:31:50

Azimuth

244.076° WSW

Elevation

-23.564°

Doppler factor

Orbital elements

Apogee altitude

2,308.368 km

Perigee altitude

499.685 km

Semi-major axis

7,782.164 km

Eccentricity

0.11621

Inclination

34.0893°

RAAN

306.3572°

Arg. of periapsis

114.2309°

True anomaly

245.83145°

Mean anomaly

258.4043°

Eccentric anomaly

252.06952°

Mean motion

3.1615 °/min

Orbital period

113.87 mins

BSTAR

0.00028617

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

DIAMANT R/B, 2017

DIAMANT DEB, 2018 (Decayed)

DIAMANT DEB, 2020 (Decayed)

DIAMANT DEB, 2021 (Decayed)

DIAMANT DEB, 2023 (Decayed)

DIAMANT DEB, 2161 (Decayed)

DIAMANT DEB, 2993 (Decayed)

DIAMANT DEB, 3970 (Decayed)

DIAMANT DEB, 5420 (Decayed)

DIAMANT DEB, 5959 (Decayed)

DIAMANT DEB, 6784 (Decayed)

DIAMANT DEB, 14844 (Decayed)

DIAMANT DEB, 14845 (Decayed)

DIAMANT DEB, 19049 (Decayed)

DIAPASON (D1-A) 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.
9 mins	2025-07-18 11:03:18.537Z	222.887° SW	2025-07-18 11:08:18.537Z	172.951° S	26.261°	2025-07-18 11:12:18.537Z	110.262° ESE
6 mins	2025-07-18 13:05:18.537Z	242.289° WSW	2025-07-18 13:08:18.537Z	190.222° SSW	32.109°	2025-07-18 13:11:18.537Z	118.259° SE
4 mins	2025-07-18 15:06:18.537Z	235.4° WSW	2025-07-18 15:08:18.537Z	191.383° SSW	21.453°	2025-07-18 15:10:18.537Z	150.896° SSE
9 mins	2025-07-19 09:44:18.537Z	204.719° SW	2025-07-19 09:49:18.537Z	161.484° S	21.986°	2025-07-19 09:53:18.537Z	114.389° 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 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.