Key statistics
Satellite TDF 2 at a glance.
Uptime
12767
Days in orbit
Revolutions
≈ 1.0
Per day
Orbit
OTHER
Other
Inclination
15.2
Latest
Satellite identification and parameters
Extended collection of information and parameters for TDF 2.
Object identification
Identified? True
Debris? False
Object name: TDF 2
International designator: 1990-063A
Object number (NORAD): 20705
Object ID (CCSDS): 20705
Country: FRANCE (FR)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 1460.309 minutes
Inclination: 15.1658 deg
SMA: 42637.331 km
Apoapsis: 36433.191 km
Periapsis: 36085.202 km
RAAN: 0.966 deg
Eccentricy: 0.0040808
Argument of periapsis: 319.1667 deg
Mean anomaly: 43.8021 deg
Mean motion: 0.9860927 rev/day
Mean motion (dot): -0.00000121 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 4:10 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 5, 2025, 4:12 p.m. UTC
TLE line 0: 0 TDF 2
TLE line 1: 1 20705U 90063A 25186.67524291 -.00000121 00000-0 00000-0 0 9995
TLE line 2: 2 20705 15.1658 0.9660 0040808 319.1667 43.8021 0.98609270129153
Live tracking on map
Real-time ground track for satellite TDF 2.
In-orbit conjunctions
There are no conjunctions computed for TDF 2, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
French and German direct broadcasting satellites
TDF 2 was lifted into orbit during the mission ‘Ariane 44L | TDF 2 & DFS-Kopernikus 2’, on board a Ariane 44L space rocket.
The launch took place on July 24, 1990, 10:25 p.m. from Ariane Launch Area 2.
For more information about the launch, click the button.
Ariane 44L | TDF 2 & DFS-Kopernikus 2
Agency: N/A
Status: Launch Successful
Launch date: July 24, 1990, 10:25 p.m. UTC
Rocket: Ariane 44L
Launch pad: Ariane Launch Area 2
Location: Guiana Space Centre, French Guiana
...
Latest news about this satellite
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