45 lines
1.2 KiB
MySQL
45 lines
1.2 KiB
MySQL
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-- Enable extensions
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CREATE EXTENSION IF NOT EXISTS postgis;
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CREATE EXTENSION IF NOT EXISTS timescaledb;
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-- Main object catalog (replaces 'satellites')
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CREATE TABLE objects (
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id SERIAL PRIMARY KEY,
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name TEXT NOT NULL,
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norad_id INT UNIQUE NOT NULL,
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intl_designator TEXT,
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launch_date DATE,
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orbit_type TEXT
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);
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CREATE TABLE orbits (
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object_id INT REFERENCES objects(id),
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ts TIMESTAMPTZ NOT NULL,
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position GEOGRAPHY(POINT, 4326),
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altitude_km DOUBLE PRECISION,
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velocity_kms DOUBLE PRECISION,
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PRIMARY KEY (object_id, ts)
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);
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SELECT create_hypertable('orbits', 'ts', if_not_exists => TRUE);
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-- Conjunction Data Messages / alerts
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CREATE TABLE conjunctions (
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id SERIAL PRIMARY KEY,
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primary_object INT REFERENCES objects(id),
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secondary_object INT,
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tca TIMESTAMPTZ, -- Time of Closest Approach
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miss_distance_km DOUBLE PRECISION,
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risk_level TEXT,
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poc DOUBLE PRECISION -- Probability of Collision
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);
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-- Re-entry prediction windows and footprints
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CREATE TABLE reentry_predictions (
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id SERIAL PRIMARY KEY,
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object_id INT REFERENCES objects(id),
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window_start TIMESTAMPTZ,
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window_end TIMESTAMPTZ,
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footprint GEOGRAPHY(POLYGON, 4326),
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notes TEXT
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);
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