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United Launch AllianceAtlas V 411Space Launch Complex 41, Cape Canaveral SFS, FL, USA
SBIRS GEO Flight 4 (SBIRS GEO-3)
Launched
January 20, 2018
Summary
SBIRS GEO Flight 4 (SBIRS GEO-3) launched on an United Launch Alliance Atlas V 411 from Space Launch Complex 41, Cape Canaveral SFS, FL, USA on January 20, 2018. It was United Launch Alliance's 126th launch, 2nd this year and humanity's 5,715th orbital launch attempt. It was the 5th Atlas V 411 flight and the 1st this year. The payload was bound for Geostationary Transfer Orbit (GTO). It reached a 209 × 35,801 km orbit inclined 16.9°. One object from this launch is catalogued.
- Watch
- Atlas V SBIRS GEO Flight 4 Broadcast (Jan. 19)United Launch Alliance
- Atlas V SBIRS GEO Flight 4 Launch HighlightsUnited Launch Alliance
- Vehicle
- Atlas V 411 · United Launch Alliance
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Geostationary Transfer Orbit (GTO)
- Milestone
- 5th Atlas V 411 flight · 1st this yearUnited Launch Alliance's 126th launch2nd this yearhumanity's 5,715th orbital launch attempt9th orbital launch attempt this year
Webcast
Flight preview
Orbit: as tracked
SBIRS GEO-3 · NORAD 43162 · 2018-009 · Space-Track
Show the numbers for orbit elements
- Object
- SBIRS GEO 4 (USA 282)
- Object ID
- 2018-009A
- Epoch
- 2018-01-20 06:46:49 UTC
- Mean motion
- 2.28121835 rev/day
- Eccentricity
- 0.7300656
- Inclination
- 16.8595°
- Ascending node
- 322.9884°
- Arg. of perigee
- 178.1848°
- Mean anomaly
- 189.1526°
- 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: GTO. Ascent drawn from padside's representative profile.
Catalogued objects
1 catalogued: 1 payload; 1 still in orbit
- SBIRS GEO-3 · NORAD 43162 · in orbit
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
89th launch from Space Launch Complex 41, 1st this year · 763rd from Cape Canaveral SFS, FL, USA
125 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
96 days after the previous launch from this pad
Questions
When did SBIRS GEO Flight 4 (SBIRS GEO-3) launch?
SBIRS GEO Flight 4 (SBIRS GEO-3) launched on January 20, 2018. The time is known to the hour, not the minute.
Where can I watch SBIRS GEO Flight 4 (SBIRS GEO-3)?
Coverage: Atlas V SBIRS GEO Flight 4 Broadcast (Jan. 19); Atlas V SBIRS GEO Flight 4 Launch Highlights. Watch the replay
What rocket launched SBIRS GEO Flight 4 (SBIRS GEO-3)?
Atlas V 411, flown by United Launch Alliance. Atlas V 411 spec sheet
Where did SBIRS GEO Flight 4 (SBIRS GEO-3) launch from?
Space Launch Complex 41, Cape Canaveral SFS, FL, USA.
What orbit did SBIRS GEO Flight 4 (SBIRS GEO-3) reach?
It reached a 209 × 35,801 km orbit inclined 16.9°.
How many satellites did SBIRS GEO Flight 4 (SBIRS GEO-3) launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).