United States Air ForceDelta II 6925Space Launch Complex 17B, Cape Canaveral SFS, FL, USA
INMARSAT II F-1
Launched
October 30, 1990
Summary
INMARSAT II F-1 launched on an United States Air Force Delta II 6925 from Space Launch Complex 17B, Cape Canaveral SFS, FL, USA on October 30, 1990. It was United States Air Force's 889th launch, 13th this year and humanity's 3,574th orbital launch attempt. It was the 11th Delta II 6925 flight and the 6th this year. The payload was bound for Geostationary Orbit (Direct-GEO). INMARSAT II F-1, one of 3 catalogued objects, reached a 171 × 36,576 km orbit inclined 23.5°. 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
- 11th Delta II 6925 flight · 6th this yearUnited States Air Force's 889th launch13th this yearhumanity's 3,574th orbital launch attempt98th orbital launch attempt this year
Flight preview
Orbit: as tracked
INMARSAT II F-1 · NORAD 20918 · 1990-093 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- INMARSAT 2-F1
- Object ID
- 1990-093A
- Epoch
- 1990-10-30 19:14:44 UTC
- Mean motion
- 2.23038754 rev/day
- Eccentricity
- 0.7356004
- Inclination
- 23.5198°
- Ascending node
- 207.0326°
- Arg. of perigee
- 172.1722°
- Mean anomaly
- 213.2827°
- Element set
- 999
- Rev at epoch
- 0
- B*
- 0.000099999
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: Direct-GEO. Ascent drawn from padside's representative profile.
Catalogued objects
3 catalogued: 1 payload, 2 rocket stages
- INMARSAT II F-1 · NORAD 20918
Delta 200 · re-entered March 26, 2000
Delta 200 Stage 3 · re-entered March 3, 1991
Data from J. McDowell, planet4589.org
About this launch
Geostationary communications satellite
Pad
Space Launch Complex 17B, Cape Canaveral SFS, FL, USA
84th launch from Space Launch Complex 17B, 5th this year · 440th from Cape Canaveral SFS, FL, USA
132 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
73 days after the previous launch from this pad
Questions
When did INMARSAT II F-1 launch?
INMARSAT II F-1 launched on October 30, 1990. The time is known to the hour, not the minute.
Where can I watch INMARSAT II F-1?
No webcast is on record for this launch.
What rocket launched INMARSAT II F-1?
Delta II 6925, flown by United States Air Force. Delta II 6925 spec sheet
Where did INMARSAT II F-1 launch from?
Space Launch Complex 17B, Cape Canaveral SFS, FL, USA.
What orbit did INMARSAT II F-1 reach?
INMARSAT II F-1, one of 3 catalogued objects, reached a 171 × 36,576 km orbit inclined 23.5°.
How many satellites did INMARSAT II F-1 launch?
1 payload from this launch is catalogued (Data from J. McDowell, planet4589.org).