Photo: U.S. Space Force photo by Airman 1st Class Collin Wesson · Public domain (US government)
Mission
Government/Top Secret · Direct-GEO
USSF-87 will launch two identical Geosynchronous Space Situational Awareness Program (GSSAP) satellites GSSAP-7 and GSSAP-8 directly to a near-geosynchronous orbit approximately 36,000 km above the equator. Data from the GSSAP will uniquely contribute to timely and accurate orbital predictions…
What it put in orbit
| Object | Type | Orbit | Globe |
|---|---|---|---|
| USA 582 2026-029A | Payload | 35715 × 35759 km · 0.3° | Globe |
| USA 583 2026-029B | Payload | 35726 × 35770 km · 0.3° | Globe |
| USA 584 2026-029C | Payload | 36181 × 36197 km · 0.3° | Globe |
| VULCAN CENTAUR R/B 2026-029D | Rocket body | 36157 × 36622 km · 1.0° | Globe |
| VULCAN CENTAUR DEB 2026-029E | Debris | 36151 × 36284 km · 0.4° | Globe |
| USA 643 2026-029F | Payload | 0 × 0 km · 0.0° | Globe |
COSPAR ID 2026-029 (data from GCAT, J. McDowell, CC BY 4.0). Orbits from the CelesTrak satellite catalogue (perigee × apogee, inclination).