CLASSIFIED
BB3
US Military Mesh Communications (SDA Tranche 0 Transport Layer) · US Space Development Agency
Right now
LiveIt moves every second. See exactly where it is — worked out from its orbit, on your own device — on the live 3D globe.
- Over
- —
- Altitude
- —
- Speed
- —
BB3, part of the US Space Development Agency's Tranche 0 Transport Layer — the demonstration mesh network proving that cheap, disposable, laser-linked satellites could relay tactical military data fast enough to matter in real combat, technology since scaled dramatically into the much larger operational Tranche 1 constellation.
Its orbit
- Orbit
- Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
- Altitude
- 377–385 mi (607–619 km)
- Inclination
- 81.0°
- One orbit
- 96.8 minutes14.9 orbits a day
- NORAD ID
- 57760
- Int’l designator
- 2023-133D
- Launched
- 2023
Orbital elements from CelesTrak, as of 22 Sep 2026.
More classified
- BB4Military Technology Demonstrator (SDA Tranche 0)
- BLACKJACK ACES-1US Military Technology Demonstrator (Scaled-Down Constellation)
- BLACKJACK ACES-2US Military Technology Demonstrator
- BLACKJACK ACES-3US Military Technology Demonstrator (Scaled-Down Constellation)
- CHAMRAN-1Technology demonstration
- CHECKMATE 1US Military Mesh Communications (SDA Tranche 0 Transport Layer)