Space Launch CalendarHome › 2025 › Atlas V 551
LA-04 on Atlas V 551, 2025-12-16 (Success)
ResultSuccess
Date2025-12-16 08:28 UTC
VehicleAtlas V 551Atlas V 551
Atlas V 551 flight no.17success rate so far 100%
No. in 2025309 / 325orbital attempts
Agency countryUnited StatesULAL
| Item | Value |
|---|---|
| Launch site | Cape Canaveral Air Station, Florida |
| Payload | LA-04 |
| GCAT launch tag | 2025-301 |
| Orbit | 455 × 464 km · 51.9° |
| Mass to orbit | 17.0 t |
Neighbouring Atlas V 551 launches
| Date | Payload | Vehicle | Site | Result |
|---|---|---|---|---|
| 2024-07-30 | USSF-51 | Atlas V 551 | CC | Success |
| 2025-04-28 | KA-01 | Atlas V 551 | CC | Success |
| 2025-06-23 | KA-02 | Atlas V 551 | CC | Success |
| 2025-09-25 | KA-03 | Atlas V 551 | CC | Success |
| 2025-11-14 | Viasat-3 F2 | Atlas V 551 | CC | Success |
| 2025-12-16 | LA-04 | Atlas V 551 | CC | Success |
| 2026-04-04 | LA-05 | Atlas V 551 | CC | Success |
| 2026-04-28 | LA-06 | Atlas V 551 | CC | Success |
| 2026-05-29 | LA-07 | Atlas V 551 | CC | Success |
| 2026-07-02 | LA-08 | Atlas V 551 | CC | Success |
Atlas V 551 launches per year
Counts orbital launch attempts (successes and failures); suborbital flights excluded. Countries are those of the launching agency.