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United Launch AllianceAtlas V 421Space Launch Complex 41, Cape Canaveral SFS, FL, USA
SBIRS GEO-5
Launched
May 18, 2021
Summary
SBIRS GEO-5 launched on an United Launch Alliance Atlas V 421 from Space Launch Complex 41, Cape Canaveral SFS, FL, USA on May 18, 2021. It was United Launch Alliance's 145th launch, 2nd this year and humanity's 6,081st orbital launch attempt. It was the 8th Atlas V 421 flight and the 1st this year. The payload was bound for Geostationary Transfer Orbit (GTO). SBIRS GEO-5, one of 3 catalogued objects, reached a 905 × 35,753 km orbit inclined 21.2°. 3 objects from this launch are catalogued, all of them payloads.
- Watch
- Atlas V SBIRS GEO-5The Space Devs
- May 18 Live Broadcast: Atlas V SBIRS GEO Flight 5United Launch Alliance
- Vehicle
- Atlas V 421 · United Launch Alliance
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Geostationary Transfer Orbit (GTO)
- Milestone
- 8th Atlas V 421 flight · 1st this yearUnited Launch Alliance's 145th launch2nd this yearhumanity's 6,081st orbital launch attempt44th orbital launch attempt this year
Webcast
Flight preview
Orbit: as tracked
SBIRS GEO-5 · NORAD 48618 · 2021-042 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2021-042A
- Epoch
- 2021-05-18 20:14:32 UTC
- Mean motion
- 2.23646976 rev/day
- Eccentricity
- 0.7054358
- Inclination
- 21.2219°
- Ascending node
- 331.1574°
- Arg. of perigee
- 178.2192°
- Mean anomaly
- 73.2139°
- 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
3 catalogued: 3 payloads; 1 still in orbit
- SBIRS GEO-5 · NORAD 48618 · in orbit
- TDO 3 · NORAD 48619 · re-entered September 27, 2022
- TDO 4 · NORAD 48620 · re-entered September 18, 2022
Data from J. McDowell, planet4589.org
About this launch
Fifth geosynchronous satellite of the Space Based Infrared System program (SBIRS), providing capabilities for early missile warning and missile defense. SBIRS GEO-5 is the first satellite using Lockheed Martin's LM2100 combat bus.
Pad
Space Launch Complex 41, Cape Canaveral SFS, FL, USA
100th launch from Space Launch Complex 41, 1st this year · 821st from Cape Canaveral SFS, FL, USA
125 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
185 days after the previous launch from this pad
Updates
Successful launch
Show 6 earlier updates
Scrubbed for the day.
Cosmic_Penguin · 5/17/2021 · source
HOLDING
Cosmic_Penguin · 5/17/2021 · source
Updated launch window.
Cosmic_Penguin · 5/17/2021 · source
Weather 90% GO
SwGustav · 5/14/2021 · source
Updated launch time.
Cosmic_Penguin · 5/6/2021 · source
Launch is scheduled for May 17 according to USSF press release.
spacevogel · 3/25/2021 · source
Questions
When did SBIRS GEO-5 launch?
SBIRS GEO-5 launched on May 18, 2021. The time is known to the hour, not the minute.
Where can I watch SBIRS GEO-5?
Coverage: Atlas V SBIRS GEO-5; May 18 Live Broadcast: Atlas V SBIRS GEO Flight 5. Watch the replay
What rocket launched SBIRS GEO-5?
Atlas V 421, flown by United Launch Alliance. Atlas V 421 spec sheet
Where did SBIRS GEO-5 launch from?
Space Launch Complex 41, Cape Canaveral SFS, FL, USA.
What orbit did SBIRS GEO-5 reach?
SBIRS GEO-5, one of 3 catalogued objects, reached a 905 × 35,753 km orbit inclined 21.2°.
How many satellites did SBIRS GEO-5 launch?
3 payloads from this launch are catalogued, 1 of them still in orbit (Data from J. McDowell, planet4589.org).