# National Geospatial-Intelligence Agency Ephemeris API

**Canonical:** https://apis.io/apis/national-geospatial-intelligence-agency/national-geospatial-intelligence-agency-ephemeris-api/  
**Provider:** National Geospatial-Intelligence Agency — https://apis.io/providers/national-geospatial-intelligence-agency/  
**Base URL:** https://earth-info.nga.mil/  
**Documentation:** https://earth-info.nga.mil/

National Geospatial-Intelligence Agency Ephemeris API is one of 4 APIs that [National Geospatial-Intelligence Agency](https://apis.io/providers/national-geospatial-intelligence-agency/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Ephemeris. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

GPS ephemeris products, including Center of Mass and Antenna Phase Center variants.

## Machine-readable artifacts (3)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/national-geospatial-intelligence-agency/refs/heads/main/openapi/national-geospatial-intelligence-agency-ephemeris-api-openapi.yml
- **Documentation** — https://earth-info.nga.mil/
- **Portal** — https://earth-info.nga.mil/

## Other National Geospatial-Intelligence Agency APIs (3)

- [National Geospatial-Intelligence Agency Clock API](https://apis.io/apis/national-geospatial-intelligence-agency/national-geospatial-intelligence-agency-clock-api/)
- [National Geospatial-Intelligence Agency EOPP API](https://apis.io/apis/national-geospatial-intelligence-agency/national-geospatial-intelligence-agency-eopp-api/)
- [National Geospatial-Intelligence Agency Orbit API](https://apis.io/apis/national-geospatial-intelligence-agency/national-geospatial-intelligence-agency-orbit-api/)

## Tags

Ephemeris

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/national-geospatial-intelligence-agency/national-geospatial-intelligence-agency-ephemeris-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/national-geospatial-intelligence-agency/.