OperationalPayloadLEO
SDA_1677 is a payload in LEO orbit, operated by Space Development Agency, launched 2025.
| Source | What it says | Date |
|---|---|---|
| CelesTrak SATCAT | Operational | since at least 2026-11-05 |
| GCAT (J. McDowell) | Believed still transmitting | |
| GCAT (J. McDowell) | Believed still operating | |
| GCAT (J. McDowell) | Last known active | 2025-10-15 |
Each line is one source and what it says. Where they disagree, both are shown; OrbitalWiki does not pick a winner.
From GCAT by Jonathan McDowell (CC BY 4.0), record S65987, checked 2026-11-05. About this source
From the GCAT launch log, launch 2025-230, checked 2026-11-05. About this source
See it moving on the 3D globe alongside every other active object, propagated in your browser.
This is one of thousands of catalogued objects, one of many in the LEO band. How many satellites are in orbit right now?
//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Nov 5, 2026.