United States Air ForceTitan IIICSpace Launch Complex 40, Cape Canaveral SFS, FL, USA
DSCS-2 11 & 12
Launched
December 14, 1978
Image: U.S. DoD
Summary
DSCS-2 11 & 12 launched on an United States Air Force Titan IIIC from Space Launch Complex 40, Cape Canaveral SFS, FL, USA on December 14, 1978. It was United States Air Force's 735th launch, 31st this year and humanity's 2,162nd orbital launch attempt. It was the 30th Titan IIIC flight and the 3rd this year. The payload was bound for Geostationary Orbit (Direct-GEO). DSCS II F-11, one of 8 catalogued objects, reached a 35,804 × 36,419 km orbit inclined 2.5°. 8 objects from this launch are catalogued, 2 of them payloads.
- Watch
- No webcast on record.
- Vehicle
- Titan IIIC · United States Air Force
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Geostationary Orbit (Direct-GEO)
- Milestone
- 30th Titan IIIC flight · 3rd this yearUnited States Air Force's 735th launch31st this yearhumanity's 2,162nd orbital launch attempt117th orbital launch attempt this year
Flight preview
Orbit: as tracked
DSCS II F-11 · NORAD 11144 · 1978-113 · Space-Track · tracking 1 of 8 objects
Show the numbers for orbit elements
- Object
- OPS 9441 (DSCS II-11)
- Object ID
- 1978-113A
- Epoch
- 1978-12-14 19:03:12 UTC
- Mean motion
- 0.99149019 rev/day
- Eccentricity
- 0.0072421
- Inclination
- 2.4949°
- Ascending node
- 276.0407°
- Arg. of perigee
- 1.6514°
- Mean anomaly
- 358.3723°
- Element set
- 999
- Rev at epoch
- 0
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: Direct-GEO.
Catalogued objects
8 catalogued: 2 payloads, 2 rocket stages, 4 debris; 7 still in orbit
- DSCS II F-11 · NORAD 11144 · in orbit
- DSCS II F-12 · NORAD 11145 · in orbit
Titan 23C-18 Stage 2 · re-entered December 14, 1978
Transtage 36 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Satellites designed to provide secure voice and data communications for the US military.
Pad
Space Launch Complex 40, Cape Canaveral SFS, FL, USA
20th launch from Space Launch Complex 40, 3rd this year · 354th from Cape Canaveral SFS, FL, USA
403 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
186 days after the previous launch from this pad
Questions
When did DSCS-2 11 & 12 launch?
DSCS-2 11 & 12 launched on December 14, 1978. The time is known to the hour, not the minute.
Where can I watch DSCS-2 11 & 12?
No webcast is on record for this launch.
What rocket launched DSCS-2 11 & 12?
Titan IIIC, flown by United States Air Force. Titan IIIC spec sheet
Where did DSCS-2 11 & 12 launch from?
Space Launch Complex 40, Cape Canaveral SFS, FL, USA.
What orbit did DSCS-2 11 & 12 reach?
DSCS II F-11, one of 8 catalogued objects, reached a 35,804 × 36,419 km orbit inclined 2.5°.
How many satellites did DSCS-2 11 & 12 launch?
2 payloads from this launch are catalogued, 2 of them still in orbit (Data from J. McDowell, planet4589.org).