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
CYL + 4 PAN + 4 ANT, 1.1 m
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 21 hours ago
TLE from 21 hours ago
0 DIAPASON (D1-A)
1 02016U 66013A 26255.20988626 .00001128 00000-0 31492-3 0 9990
2 02016 34.0939 316.7810 1156171 217.1764 134.3076 12.66687847751489Epoch: 2026-09-12T05:02Z
TLE epoch observation values (Epoch: 2026-09-12T05:02:14.172Z)
Latitude
-0.00005°
Longitude
-110.00029°
Altitude
2,069.229 km
Speed
6.567 km/s
True Right ascension
21h 07m 07s
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
18:34:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
2,297.638 km
Perigee altitude
499.409 km
Semi-major axis
7,776.66 km
Eccentricity
0.11562
Inclination
34.0939°
RAAN
316.781°
Arg. of periapsis
217.1764°
True anomaly
142.88467°
Mean anomaly
134.3076°
Eccentric anomaly
138.68132°
Mean motion
3.16485 °/min
Orbital period
113.75 mins
BSTAR
0.00031492
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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. |
|---|---|---|---|---|---|---|---|
| 20 mins | 2026-09-13 05:43:51.095Z | 193.533° SSW | 2026-09-13 05:53:51.095Z | 143.491° SSE | 28.668° | 2026-09-13 06:03:51.095Z | 93.984° ESE |
| 23 mins | 2026-09-13 07:43:51.095Z | 228.516° WSW | 2026-09-13 07:55:51.095Z | 156.321° SSE | 53.235° | 2026-09-13 08:06:51.095Z | 89.6° E |
| 22 mins | 2026-09-13 09:45:51.095Z | 255.11° W | 2026-09-13 09:57:51.095Z | 180.571° SSW | 66.83° | 2026-09-13 10:07:51.095Z | 100.155° ESE |
| 19 mins | 2026-09-13 11:48:51.095Z | 269.122° W | 2026-09-13 11:59:51.095Z | 196.046° SSW | 54.428° | 2026-09-13 12:07:51.095Z | 125.042° SE |
| 11 mins | 2026-09-13 13:53:51.095Z | 260.6° W | 2026-09-13 13:59:51.095Z | 218.42° SW | 24.497° | 2026-09-13 14:04:51.095Z | 172.817° S |
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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