openapi: 3.0.1 info: title: Space-Track.org REST Authentication API description: Space-Track.org is the official US Space Command (USSPACECOM) source for space situational awareness data. The REST API provides access to the satellite catalog (SATCAT), orbital element sets (GP/TLEs), conjunction data messages (CDMs), decay predictions (TIP), and space object history. Requires a free account. Authenticate via POST to /ajaxauth/login then use session cookies for subsequent requests. version: '1.0' contact: name: US Space Command / 18th Space Defense Squadron url: https://www.space-track.org servers: - url: https://www.space-track.org security: - sessionCookie: [] tags: - name: Authentication description: Session-based authentication paths: /ajaxauth/login: post: tags: - Authentication operationId: login summary: Authenticate with Space-Track.org description: Authenticate using username and password credentials. On success, a session cookie is returned for use in subsequent API requests. requestBody: required: true content: application/x-www-form-urlencoded: schema: type: object required: - identity - password properties: identity: type: string description: Space-Track.org username (email address) password: type: string format: password description: Space-Track.org password responses: '200': description: Authentication successful — session cookie returned '401': description: Invalid credentials components: securitySchemes: sessionCookie: type: apiKey in: cookie name: chocolatechip description: Session cookie obtained after successful login via POST /ajaxauth/login