United States Air ForceDelta II 6925Space Launch Complex 17B, Cape Canaveral SFS, FL, USA
INMARSAT II F-2
Launched
March 8, 1991
Summary
INMARSAT II F-2 launched on an United States Air Force Delta II 6925 from Space Launch Complex 17B, Cape Canaveral SFS, FL, USA on March 8, 1991. It was United States Air Force's 895th launch, 3rd this year and humanity's 3,615th orbital launch attempt. It was the 12th Delta II 6925 flight and the 1st this year. The payload was bound for Geostationary Orbit (Direct-GEO). The tracked orbit of INMARSAT II F-2, one of 3 catalogued objects, from March 13, 1991, was 35,947 × 36,555 km inclined 2.7°. 3 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Delta II 6925 · United States Air Force
- Booster
- No booster details on record.
- Mission
- Communications · Geostationary Orbit (Direct-GEO)
- Milestone
- 12th Delta II 6925 flight · 1st this yearUnited States Air Force's 895th launch3rd this yearhumanity's 3,615th orbital launch attempt18th orbital launch attempt this year
Flight preview
Orbit: as tracked
INMARSAT II F-2 · NORAD 21149 · 1991-018 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- INMARSAT 2-F2
- Object ID
- 1991-018A
- Epoch
- 1991-03-13 07:57:53 UTC
- Mean motion
- 0.98662511 rev/day
- Eccentricity
- 0.007131
- Inclination
- 2.7044°
- Ascending node
- 295.3965°
- Arg. of perigee
- 197.0488°
- Mean anomaly
- 201.8585°
- Element set
- 999
- Rev at epoch
- 8
- B*
- 0.000099999
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: Direct-GEO.
Catalogued objects
3 catalogued: 1 payload, 2 rocket stages; 1 still in orbit
- INMARSAT II F-2 · NORAD 21149
Delta 203 · re-entered May 26, 2003
Delta 203 Stage 3 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Commercial communications satellite covering the west Atlantic.
Pad

Space Launch Complex 17B, Cape Canaveral SFS, FL, USA
86th launch from Space Launch Complex 17B, 2nd this year · 444th from Cape Canaveral SFS, FL, USA
132 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
59 days after the previous launch from this pad
Questions
When did INMARSAT II F-2 launch?
INMARSAT II F-2 launched on March 8, 1991. The time is known to the hour, not the minute.
Where can I watch INMARSAT II F-2?
No webcast is on record for this launch.
What rocket launched INMARSAT II F-2?
Delta II 6925, flown by United States Air Force. Delta II 6925 spec sheet
Where did INMARSAT II F-2 launch from?
Space Launch Complex 17B, Cape Canaveral SFS, FL, USA.
What orbit did INMARSAT II F-2 reach?
The tracked orbit of INMARSAT II F-2, one of 3 catalogued objects, from March 13, 1991, was 35,947 × 36,555 km inclined 2.7°.
How many satellites did INMARSAT II F-2 launch?
1 payload from this launch is catalogued (Data from J. McDowell, planet4589.org).