Satellite
GRACE-FO 1
GRACE-FO 1 is a GRACE-series gravity mapper going round the Earth.
Two satellites chasing each other, weighing groundwater by how the gap between them changes.
See it live
Where it is right now is on the live 3D map.
Key facts
- Catalogue number (NORAD)
- 43476
How the map draws it
Drawn as a GRACE-series gravity mapper — the kind of thing, not this exact one.