Key statistics
Satellite THOR 1 (MARCOPOLO 2) at a glance.
Uptime
12805
Days in orbit
Revolutions
≈ 1.0
Per day
Orbit
OTHER
Other
Inclination
14.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for THOR 1 (MARCOPOLO 2).
Object identification
Identified? True
Debris? False
Object name: THOR 1 (MARCOPOLO 2)
International designator: 1990-074A
Object number (NORAD): 20762
Object ID (CCSDS): 20762
Country: NORWAY (NOR)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 1451.456 minutes
Inclination: 14.4251 deg
SMA: 42464.84 km
Apoapsis: 36111.907 km
Periapsis: 36061.503 km
RAAN: 8.7372 deg
Eccentricy: 0.00059348
Argument of periapsis: 210.5686 deg
Mean anomaly: 142.1921 deg
Mean motion: 0.99210702 rev/day
Mean motion (dot): -0.00000136 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: Sept. 7, 2025, 9:49 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 7, 2025, 12:31 a.m. UTC
TLE line 0: 0 THOR 1 (MARCOPOLO 2)
TLE line 1: 1 20762U 90074A 25250.02183961 -.00000136 00000-0 00000-0 0 9992
TLE line 2: 2 20762 14.4251 8.7372 0005935 210.5686 142.1921 0.99210702 43392
Live tracking on map
Real-time ground track for satellite THOR 1 (MARCOPOLO 2).
In-orbit conjunctions
There are no conjunctions computed for THOR 1 (MARCOPOLO 2), at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
British geostationary communications satellite
THOR 1 (MARCOPOLO 2) was lifted into orbit during the mission ‘Delta 6925 | Marcopolo 2’, on board a Delta 6925 space rocket.
The launch took place on Aug. 18, 1990, 12:42 a.m. from Space Launch Complex 17B.
For more information about the launch, click the button.
Delta 6925 | Marcopolo 2
Agency: N/A
Status: Launch Successful
Launch date: Aug. 18, 1990, 12:42 a.m. UTC
Rocket: Delta 6925
Launch pad: Space Launch Complex 17B
Location: Cape Canaveral SFS, FL, USA
...
Latest news about this satellite
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