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: 15 hours ago
TLE from 15 hours ago
0 DIAPASON (D1-A)
1 02016U 66013A 25350.30217917 .00001708 00000-0 48465-3 0 9996
2 02016 34.0944 22.9217 1159390 337.3018 18.0089 12.66202775717257Epoch: 2025-12-16T07:15Z
TLE epoch observation values (Epoch: 2025-12-16T07:15:08.280Z)
Latitude
0.00001°
Longitude
-171.05112°
Altitude
551.15 km
Speed
7.989 km/s
True Right ascension
01h 31m 41s
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
20:59:24
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
2,302.356 km
Perigee altitude
498.66 km
Semi-major axis
7,778.645 km
Eccentricity
0.11594
Inclination
34.0944°
RAAN
22.9217°
Arg. of periapsis
337.3018°
True anomaly
22.7624°
Mean anomaly
18.0089°
Eccentric anomaly
20.31518°
Mean motion
3.16364 °/min
Orbital period
113.79 mins
BSTAR
0.00048465
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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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2025-12-17 06:11:39.579Z | 213.401° SW | 2025-12-17 06:15:39.579Z | 161.381° S | 31.9° | 2025-12-17 06:23:39.579Z | 92.87° ESE |
| 17 mins | 2025-12-17 08:10:39.579Z | 249.314° W | 2025-12-17 08:16:39.579Z | 173.173° S | 41.312° | 2025-12-17 08:27:39.579Z | 99.605° ESE |
| 20 mins | 2025-12-17 10:10:39.579Z | 263.103° W | 2025-12-17 10:18:39.579Z | 185.617° SSW | 39.306° | 2025-12-17 10:30:39.579Z | 121.771° SE |
| 20 mins | 2025-12-17 12:11:39.579Z | 261.725° W | 2025-12-17 12:19:39.579Z | 211.948° SW | 28.906° | 2025-12-17 12:31:39.579Z | 152.676° SSE |
| 6 mins | 2025-12-17 14:18:39.579Z | 234.266° WSW | 2025-12-17 14:21:39.579Z | 220.928° SW | 11.931° | 2025-12-17 14:24:39.579Z | 207.981° SW |
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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