ORBITAL 轨道桥
UTC --:--:--

Data and algorithms

Celestrak
Celestrak

A public source of TLE orbital data.

We only pull the ISS, Tiangong and Hubble.

Related terms
  • Ground station — A facility talking to satellites.
  • S-band — The 2–4 GHz band, common for tracking and control.
  • X-band — The 8–12 GHz band, used for high-rate data.
  • Downlink — The satellite-to-ground data path.

← glossary