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United Launch AllianceAtlas V 401Space Launch Complex 41, Cape Canaveral SFS, FL, USA
SBIRS GEO Flight 3 (SBIRS GEO-4)
Launched
January 21, 2017
Summary
SBIRS GEO Flight 3 (SBIRS GEO-4) launched on an United Launch Alliance Atlas V 401 from Space Launch Complex 41, Cape Canaveral SFS, FL, USA on January 21, 2017. It was United Launch Alliance's 117th launch, 1st this year and humanity's 5,620th orbital launch attempt. It was the 34th Atlas V 401 flight and the 1st this year. The payload was bound for Geostationary Transfer Orbit (GTO). SBIRS GEO-4, one of 2 catalogued objects, reached a 202 × 35,796 km orbit inclined 23.3°. 2 objects from this launch are catalogued, one of them a payload.
- Watch
- Jan. 20 Live Rocket Launch Coverage: Atlas V SBIRS GEO Flight 3United Launch Alliance
- Atlas V SBIRS GEO Flight 3 Launch HighlightsUnited Launch Alliance
- Vehicle
- Atlas V 401 · United Launch Alliance
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Geostationary Transfer Orbit (GTO)
- Milestone
- 34th Atlas V 401 flight · 1st this yearUnited Launch Alliance's 117th launch1st this yearhumanity's 5,620th orbital launch attempt5th orbital launch attempt this year
Webcast
Flight preview
Orbit: as tracked
SBIRS GEO-4 · NORAD 41937 · 2017-004 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- OBJECT A
- Object ID
- 2017-004A
- Epoch
- 2017-01-21 21:50:55 UTC
- Mean motion
- 2.28199734 rev/day
- Eccentricity
- 0.7302862
- Inclination
- 23.2579°
- Ascending node
- 316.7366°
- Arg. of perigee
- 178.5676°
- Mean anomaly
- 348.6098°
- Element set
- 999
- Rev at epoch
- 1
- B*
- 0
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
- SBIRS GEO-4 · NORAD 41937 · in orbit
Centaur AV-066 · re-entered November 19, 2019
Data from J. McDowell, planet4589.org
About this launch
This geostationary satellite is tasked with providing capabilities for early missile warning and missile defense.
Pad
Space Launch Complex 41, Cape Canaveral SFS, FL, USA
85th launch from Space Launch Complex 41, 1st this year · 755th from Cape Canaveral SFS, FL, USA
125 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
33 days after the previous launch from this pad
Questions
When did SBIRS GEO Flight 3 (SBIRS GEO-4) launch?
SBIRS GEO Flight 3 (SBIRS GEO-4) launched on January 21, 2017. The time is known to the hour, not the minute.
Where can I watch SBIRS GEO Flight 3 (SBIRS GEO-4)?
Coverage: Jan. 20 Live Rocket Launch Coverage: Atlas V SBIRS GEO Flight 3; Atlas V SBIRS GEO Flight 3 Launch Highlights. Watch the replay
What rocket launched SBIRS GEO Flight 3 (SBIRS GEO-4)?
Atlas V 401, flown by United Launch Alliance. Atlas V 401 spec sheet
Where did SBIRS GEO Flight 3 (SBIRS GEO-4) launch from?
Space Launch Complex 41, Cape Canaveral SFS, FL, USA.
What orbit did SBIRS GEO Flight 3 (SBIRS GEO-4) reach?
SBIRS GEO-4, one of 2 catalogued objects, reached a 202 × 35,796 km orbit inclined 23.3°.
How many satellites did SBIRS GEO Flight 3 (SBIRS GEO-4) launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).