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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2016 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
FRRelated business
Manufacturer
CNES
Mission
Spacecraft
Bus & Motor
D-1, Unknown motor
Mass
19 kg wet, 19 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 DIAPASON (D1-A)
1 2016U 66013A 25304.87219066 .00003104 00000-0 89478-3 0 9995
2 2016 34.0871 215.7017 1159622 54.7863 315.5889 12.65915753711491Epoch: 2025-10-31T20:55Z
TLE epoch observation values (Epoch: 2025-10-31T20:55:57.273Z)
Latitude
0.00002°
Longitude
-138.6973°
Altitude
811.469 km
Speed
7.724 km/s
True Right ascension
14h 22m 48s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
03:05:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
2,303.849 km
Perigee altitude
499.519 km
Semi-major axis
7,779.821 km
Eccentricity
0.11596
Inclination
34.0871°
RAAN
215.7017°
Arg. of periapsis
54.7863°
True anomaly
305.27788°
Mean anomaly
315.5889°
Eccentric anomaly
310.53964°
Mean motion
3.16292 °/min
Orbital period
113.82 mins
BSTAR
0.00089478
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Other satellites on launch #13 in the year 1966 (1966-02-17 UTC)
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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.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 | 2025-11-01 23:46:34.114Z | 220.093° SW | 2025-11-01 23:48:34.114Z | 159.883° S | 29.608° | 2025-11-01 23:51:34.114Z | 110.566° ESE |
| 7 mins | 2025-11-02 01:45:34.114Z | 238.633° WSW | 2025-11-02 01:47:34.114Z | 197.119° SSW | 29.226° | 2025-11-02 01:52:34.114Z | 127.683° SE |
| 7 mins | 2025-11-02 03:45:34.114Z | 229.741° WSW | 2025-11-02 03:47:34.114Z | 205.899° SW | 17.927° | 2025-11-02 03:52:34.114Z | 161.406° S |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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