Key statistics
Satellite DIAPASON (D1-A) at a glance.
Uptime
21691
Days in orbit
Revolutions
≈ 12.7
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
34.1
Latest
Satellite identification and parameters
Extended collection of information and parameters for DIAPASON (D1-A).
Object identification
Identified? True
Debris? False
Object name: DIAPASON (D1-A)
International designator: 1966-013A
Object number (NORAD): 2016
Object ID (CCSDS): 2016
Country: FRANCE (FR)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 113.805 minutes
Inclination: 34.0904 deg
SMA: 7779.177 km
Apoapsis: 2305.33 km
Periapsis: 496.753 km
RAAN: 348.1708 deg
Eccentricy: 0.1162448
Argument of periapsis: 52.9328 deg
Mean anomaly: 317.2029 deg
Mean motion: 12.65325675 rev/day
Mean motion (dot): 0.00000782 rev/day2
B* drag term: 0.0002315 1/REarth
Two-line elements (TLE)
Creation date: July 8, 2025, 2:27 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 7, 2025, 5:12 p.m. UTC
TLE line 0: 0 DIAPASON (D1-A)
TLE line 1: 1 02016U 66013A 25188.71687620 .00000782 00000-0 23150-3 0 9997
TLE line 2: 2 02016 34.0904 348.1708 1162448 52.9328 317.2029 12.65325675696778
Live tracking on map
Real-time ground track for satellite DIAPASON (D1-A).
Associated space launch
Diapason was a small cylindrical satellite, 20 cm long and 50 cm in diameter which was used for making geodetic measurements.
DIAPASON (D1-A) was lifted into orbit during the mission ‘Diamant A | Diapason D-1A’, on board a Diamant A space rocket.
The launch took place on Feb. 17, 1966, 8:33 a.m. from Brigitte.
For more information about the launch, click the button.
Diamant A | Diapason D-1A
Agency: N/A
Status: Launch Successful
Launch date: Feb. 17, 1966, 8:33 a.m. UTC
Rocket: Diamant A
Launch pad: Brigitte
Location: Interarmy Special Vehicles Test Centre, French Algeria
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