GCAT: General Catalog of Artificial Space Objects

Jonathan C. McDowell

Launches

Introduction
Definitions and Conventions
II: Organizations Database
- Orgs File: Text and TSV
III: Launch Origins Database
- Sites File: Text and TSV
- Launch Points File: Text and TSV
IV: Launch Platforms
- Platforms File: Text and TSV
V: Launch Vehicles
- Families
  - Data File: Text and TSV
- Launch Vehicle List
  - Data File: Text and TSV
- LV Stages
  - Data File: Text and TSV
- Stages
  - Data File: Text and TSV
- Engines
  - Data File: Text and TSV
VI: Launch Lists
- Launch Time References File: Text and TSV
- Launch List Column Descriptions
- Data: By family and (TSV)
- Data: By designation
- Data: Full list (TSV)
- Data: By family (tar.gz) Supporting files (tar.gz)
- Launch Count Totals
VII: Worlds in the Solar System
- Worlds file column descriptions
- Spin file column descriptions
- Worlds data: Text and TSV
- Spin data: Text and TSV
VIII: Object Catalogs
- Documentation
- Main catalogs
  - satcat (Standard) Text and TSV
  - auxcat (Auxiliary) Text and TSV
  - ftocat (Failed to orbit) Text and TSV
- Temporary catalogs
  - tmpcat (Temporary) Text and TSV
  - csocat (Complementary) Text and TSV
- Supporting catalogs
  - lcat (Endoatmospheric/Low) Text and TSV
  - rcat (Suborbital/Rockets) Text and TSV
- Event catalogs
  - ecat (Events) Text and TSV
  - deepcat (Deep Space) Text and TSV
  - deepcat to satcat/auxcat crossindex Text and TSV
  - hcocat (Heliocentric Register) Text and TSV
  - lprcat (Lunar and Planetary Register) Text and TSV
  - landercat (Lunar and Planetary landings and impacts) Docs,, Data: Text and TSV
- Payload catalogs
  - psatcat (Standard, Payloads) Text and TSV
  - pauxcat (Auxiliary, Payloads) Text and TSV
  - pftocat (Failed to orbit, Payloads) Text and TSV
  - ptmpcat (Temporary, Payloads) Text and TSV
  - plcat (Low, Payloads) Text and TSV
  - prcat (Suborb, Payloads) Text and TSV
  - pdeepcat (Deep, Payloads) Text and TSV
- usatcat (List of Unicode satellite names) Text and TSV
- Derived catalogs
  - Current Catalog (Summary of current space object catalog): Column descriptions; Data (Text) and Data (TSV)
  - Orbital Launch Log (orbital launches and payloads) - Column descriptions; Data (Text) and Data (TSV)
  - Geosync Catalog - Column descriptions; Data (Text) and Data (TSV)
  - Active Catalog - Column descriptions; Data (Text) and Data (TSV)
- All catalogs (tar.gz)
Acknowledgements

GCAT Release 1.7.3 (2025 Apr 16) | Data Update 2025 May 4

Launch Lists by Designation

O File: Orbital Launches
U File: Special list of marginal (orbital-energy) launches
F File: Orbital Launch Failures
S File: Exoatmospheric suborbital launches
M File: Mesospheric launches
A File: Endoatmospheric launches
E File: Pad explosions

TSV versions

O File: Orbital Launches
U File: Special list of marginal (orbital-energy) launches
F File: Orbital Launch Failures
S File: Exoatmospheric suborbital launches
M File: Mesospheric launches
A File: Endoatmospheric launches
E File: Pad explosions