# US Space Command

**Canonical:** https://apis.io/providers/us-space-comman/  
**APIs profiled:** 6

US Space Command (USSPACECOM) is a unified combatant command in the United States Department of Defense responsible for conducting operations in, from, and through space to deter conflict and, if necessary, defeat aggressors. The command provides space situational awareness (SSA) data through Space-Track.org, including the official satellite catalog with orbital element sets, conjunction warnings, and reentry predictions for all tracked objects.

## Kin Score — 31.4 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 31.4).

| Facet | Score |
|---|---|
| Discoverability | 64.8 |
| Contract Quality | 61.2 |
| Governance | 13.6 |
| Contract Governance | 13.6 |
| Operational Transparency | 7.9 |
| Developer Ergonomics | 11.9 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

Regulatory layer — **Government & Public Sector**: 31.5 (matched via tags).

## Agent readiness — 19.8 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (6)

- **US Space Command Authentication API** — Session-based authentication
- **US Space Command Conjunction Data API** — Conjunction data messages (collision warnings)
- **US Space Command Decay and Reentry API** — Satellite decay data and tracking impact predictions
- **US Space Command General Perturbations API** — Current orbital element sets for tracked space objects
- **US Space Command Satellite Catalog API** — Satellite catalog metadata
- **US Space Command Space Object History API** — Historical orbital ephemerides

## Agentic access (1)

- **Us Space Comman Agentic Access** — 8 operations · 1 acting

## Security (2)

- **Us Space Comman Authentication** — apiKey · 1 scheme
- **Us Space Comman Domain Security** — TLSv1.3

## Plans (1)

- **Us Space Comman Plans Pricing**

## Tags

Federal-Government, Space, Space Situational Awareness, Satellite Tracking, Open Data

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/us-space-comman/). Scores are computed from the provider's own public artifacts under a published rubric.