Space Stations — Live

The only two crewed stations in orbit, tracked together in real time. Positions are propagated on your device from CelesTrak orbital elements (TLE) — no tracking API, no polling.

Free orbit — drag to rotate
Acquiring orbital data…
ISS
Acquiring…
Tiangong
Acquiring…

International Space Station (ISS)

Operator
NASA / ESA / Roscosmos / JAXA / CSA
First module
Zarya — 1998
Mass
~420 t
Altitude
~420 km · 51.6° inclination
Crew
7 (Expedition rotations)
Orbit period
~93 min · 15.5 orbits/day

Tiangong Space Station (CSS)

Operator
CNSA (China)
First module
Tianhe — 2021
Mass
~100 t (T-shaped, 3 modules)
Altitude
~380 km · 41.5° inclination
Crew
3 (Shenzhou rotations)
Orbit period
~92 min

Orbital elements: CelesTrak (NORAD 25544 / 48274), refreshed every 3 hours · Crew: Open Notify · Propagation: SGP4 (satellite.js) in your browser.