Article 2 Definitions

For the purpose of this Decision, the following definitions apply:

1. (1)

   ‘Space object’ means any man-made object in outer space;

2. (2)

   ‘Spacecraft’ means any space object serving a specific purpose, including active artificial satellites and launcher upper stages;

3. (3)

   ‘Space debris’ means any space object including spacecraft or fragments and elements thereof in Earth's orbit or re-entering Earth's atmosphere, that are non-functional or no longer serve any specific purpose, including parts of rockets or artificial satellites, or inactive artificial satellites;

4. (4)

   ‘SST sensor’ means a device or a combination of devices, such as ground-based or space-based radars and telescopes, that is able to measure physical parameters related to space objects, such as size, location and speed;

5. (5)

   ‘SST data’ means physical parameters of space objects acquired by SST sensors or orbital parameters of space objects derived from SST sensors' observations;

6. (6)

   ‘SST information’ means processed SST data which is readily meaningful to the recipient.