International Space Station Tracker

When can you see the ISS over Retiro?

See where the International Space Station (ISS) is now and when it will next cross your sky.

Or click anywhere on the map to manually choose an observing point.

What counts as a visible pass?The station must be at least 10° above the horizon, illuminated by the Sun, and passing over a sky dark enough for viewing. Times use your city’s local timezone.

Visible passes in the next 72 hours

Forecast updated: Mon, Aug 17, 12:45:34 AM

3

Mon, Aug 17, 05:42:29 AM

05:42:29 AM

Limited

Maximum height 11.3°

Appears

05:42:29 AM

SSE · 148°

Highest point

05:43:34 AM

11.3°

Disappears

05:44:39 AM

ESE · 110°

Visible for: 2 min 10 secCloud cover: 0%

Tue, Aug 18, 06:29:38 AM

06:29:38 AM

Excellent

Maximum height 59.7°

Appears

06:29:38 AM

SW · 217°

Highest point

06:32:03 AM

59.7°

Disappears

06:35:18 AM

ENE · 60°

Visible for: 5 min 40 secCloud cover: 0%

Wed, Aug 19, 05:43:50 AM

05:43:50 AM

Good

Maximum height 32.8°

Appears

05:43:50 AM

SSE · 153°

Highest point

05:44:15 AM

32.8°

Disappears

05:47:15 AM

ENE · 70°

Visible for: 3 min 25 secCloud cover: 0%

ISS passes near this city

International Space Station (ISS) viewing guide

Can I see the ISS without a telescope?

Yes. During a visible pass it looks like a bright, steady star moving quickly across the sky.

Why are some overhead passes not listed?

A pass is only listed when the ISS is sunlit while your local sky is dark enough.

How accurate are the times?

Orbital times are usually accurate to within seconds when current orbital elements are available. Recheck close to the pass because the orbit is periodically updated.

Data sources

Orbit data from CelesTrak using U.S. Space Force GP elements.

Weather forecast data from MET Norway (CC BY 4.0).

Orbit epoch: Aug 16, 2026, 4:19:22 AM UTC

Next visible ISS pass

Monday, August 17, 2026 at 5:42 AM

This forecast uses Retiro's coordinates and local timezone to calculate when the ISS is sunlit, at least 10 degrees above the horizon and crossing a dark enough sky.

Viewing location

40.4132°, -3.6831° · Europe/Madrid

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