United Launch AllianceDelta IV M+(5,4)Space Launch Complex 37B, Cape Canaveral SFS, FL, USA
WGS-9 (USA-275)
Launched
March 19, 2017
Image: United Launch Alliance
Summary
WGS-9 (USA-275) launched on an United Launch Alliance Delta IV M+(5,4) from Space Launch Complex 37B, Cape Canaveral SFS, FL, USA on March 19, 2017. It was United Launch Alliance's 119th launch, 3rd this year and humanity's 5,632nd orbital launch attempt. It was the 7th Delta IV M+(5,4) flight and the 1st this year. The payload was bound for Geostationary Transfer Orbit (GTO). WGS SV-9, one of 2 catalogued objects, reached a 477 × 44,304 km orbit inclined 27.0°. 2 objects from this launch are catalogued, one of them a payload.
- Watch
- LIVE Launch Broadcast: Delta IV WGS-9United Launch Alliance
- Delta IV WGS-9 Launch HighlightsUnited Launch Alliance
- Vehicle
- Delta IV M+(5,4) · United Launch Alliance
- Booster
- No booster details on record.
- Mission
- Communications · Geostationary Transfer Orbit (GTO)
- Milestone
- 7th Delta IV M+(5,4) flight · 1st this yearUnited Launch Alliance's 119th launch3rd this yearhumanity's 5,632nd orbital launch attempt17th orbital launch attempt this year
Webcast
Flight preview
Orbit: as tracked
WGS SV-9 · NORAD 42075 · 2017-016 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- WGS 9 (USA 275)
- Object ID
- 2017-016A
- Epoch
- 2017-03-19 15:27:57 UTC
- Mean motion
- 1.77986416 rev/day
- Eccentricity
- 0.7618958
- Inclination
- 26.9807°
- Ascending node
- 8.3613°
- Arg. of perigee
- 178.2204°
- Mean anomaly
- 32.8822°
- Element set
- 999
- Rev at epoch
- 0
- B*
- 0.0001
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: GTO.
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; 1 still in orbit
- WGS SV-9 · NORAD 42075 · in orbit
Delta 377 · deorbited March 19, 2017
Data from J. McDowell, planet4589.org
About this launch
WGS-9 is the ninth of 10 high-capacity military communications satellites providing vital service for tactical forces who rely on WGS for connectivity to the Defence Information Systems Network (DISN).
Pad
Space Launch Complex 37B, Cape Canaveral SFS, FL, USA
34th launch from Space Launch Complex 37B, 1st this year · 756th from Cape Canaveral SFS, FL, USA
40 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
101 days after the previous launch from this pad
Questions
When did WGS-9 (USA-275) launch?
WGS-9 (USA-275) launched on March 19, 2017. The time is known to the hour, not the minute.
Where can I watch WGS-9 (USA-275)?
Coverage: LIVE Launch Broadcast: Delta IV WGS-9; Delta IV WGS-9 Launch Highlights. Watch the replay
What rocket launched WGS-9 (USA-275)?
Delta IV M+(5,4), flown by United Launch Alliance. Delta IV M+(5,4) spec sheet
Where did WGS-9 (USA-275) launch from?
Space Launch Complex 37B, Cape Canaveral SFS, FL, USA.
What orbit did WGS-9 (USA-275) reach?
WGS SV-9, one of 2 catalogued objects, reached a 477 × 44,304 km orbit inclined 27.0°.
How many satellites did WGS-9 (USA-275) launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).