Photo: Bill Ingalls · Public domain (US government)
Mission
Government/Top Secret · LEO
USSF-366 is a classified mission for the United States Space Force. It is possibly a batch of classified LEO satellites based on SpaceX’s Starshield satellite bus, based on locations of rocket stage drop zones being exact fits with previous Starlink Group 15 launches.
What it put in orbit
| Object | Type | Orbit | Globe |
|---|---|---|---|
| USA 620 2026-186A | Payload | 348 × 353 km · 70.0° | Globe |
| USA 621 2026-186B | Payload | 348 × 353 km · 70.0° | Globe |
| USA 622 2026-186C | Payload | 312 × 343 km · 70.0° | Globe |
| USA 623 2026-186D | Payload | 349 × 353 km · 70.0° | Globe |
| USA 624 2026-186E | Payload | 310 × 360 km · 70.0° | Globe |
| USA 625 2026-186F | Payload | 348 × 353 km · 70.0° | Globe |
| USA 626 2026-186G | Payload | 342 × 366 km · 70.0° | Globe |
| USA 627 2026-186H | Payload | 319 × 365 km · 70.0° | Globe |
Show all 23 objects
| USA 628 2026-186J | Payload | 319 × 367 km · 70.0° | Globe |
| USA 629 2026-186K | Payload | 348 × 353 km · 70.0° | Globe |
| USA 630 2026-186L | Payload | 348 × 353 km · 70.0° | Globe |
| USA 631 2026-186M | Payload | 330 × 361 km · 70.0° | Globe |
| USA 632 2026-186N | Payload | 315 × 374 km · 70.0° | Globe |
| USA 633 2026-186P | Payload | 347 × 355 km · 70.0° | Globe |
| USA 634 2026-186Q | Payload | 308 × 361 km · 70.0° | Globe |
| USA 635 2026-186R | Payload | 348 × 353 km · 70.0° | Globe |
| USA 636 2026-186S | Payload | 348 × 353 km · 70.0° | Globe |
| USA 637 2026-186T | Payload | 337 × 348 km · 70.0° | Globe |
| USA 638 2026-186U | Payload | 348 × 353 km · 70.0° | Globe |
| USA 639 2026-186V | Payload | 348 × 353 km · 70.0° | Globe |
| USA 640 2026-186W | Payload | 348 × 353 km · 70.0° | Globe |
| USA 641 2026-186X | Payload | 347 × 353 km · 70.0° | Globe |
| USA 642 2026-186Y | Payload | 348 × 353 km · 70.0° | Globe |
COSPAR ID 2026-186 (data from GCAT, J. McDowell, CC BY 4.0). Orbits from the CelesTrak satellite catalogue (perigee × apogee, inclination).