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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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 26090.89261984 .00000798 00000-0 21909-3 0 9997
2 2016 34.0978 294.6283 1158587 274.3467 72.5922 12.66465873730649Epoch: 2026-03-31T21:25Z
TLE epoch observation values (Epoch: 2026-03-31T21:25:22.354Z)
Latitude
-0.00001°
Longitude
144.02186°
Altitude
1,225.177 km
Speed
7.322 km/s
True Right ascension
19h 38m 30s
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
12:36:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
2,300.53 km
Perigee altitude
498.332 km
Semi-major axis
7,777.568 km
Eccentricity
0.11586
Inclination
34.0978°
RAAN
294.6283°
Arg. of periapsis
274.3467°
True anomaly
85.71689°
Mean anomaly
72.5922°
Eccentric anomaly
79.11089°
Mean motion
3.1643 °/min
Orbital period
113.77 mins
BSTAR
0.00021909
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-04-01 14:35:37.312Z | 158.099° S | 2026-04-01 14:39:37.312Z | 133.446° SE | 14.24° | 2026-04-01 14:44:37.312Z | 106.936° ESE |
| 20 mins | 2026-04-01 16:31:37.312Z | 210.584° SW | 2026-04-01 16:39:37.312Z | 151.082° SSE | 33.756° | 2026-04-01 16:51:37.312Z | 87.3° E |
| 24 mins | 2026-04-01 18:30:37.312Z | 246.267° WSW | 2026-04-01 18:41:37.312Z | 168.003° S | 42.231° | 2026-04-01 18:54:37.312Z | 93.573° ESE |
| 24 mins | 2026-04-01 20:32:37.312Z | 265.259° W | 2026-04-01 20:44:37.312Z | 184° SSW | 42.319° | 2026-04-01 20:56:37.312Z | 112.967° SE |
| 22 mins | 2026-04-01 22:35:37.312Z | 269.863° W | 2026-04-01 22:46:37.312Z | 207.968° SW | 34.825° | 2026-04-01 22:57:37.312Z | 142.597° SSE |
| 12 mins | 2026-04-02 00:40:37.312Z | 256.841° W | 2026-04-02 00:46:37.312Z | 228.282° WSW | 16.769° | 2026-04-02 00:52:37.312Z | 194.871° SSW |
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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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