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Observation of the International Space Station

The International Space Station (ISS) can easily be spotted with the naked eye. Because of its size (110m x 100m x 30m), it reflects a large amount of sunlight.

The best time to observe the ISS is when it is nighttime at your location, and the Space Station is sunlit. Often, such a viewing situation occurs in the morning before sunrise, or in the evening after sunset.

Visible passes

You find a list of the next sighting opportunities for your location below. The green bars indicate the brightness of the ISS on its pass.
The list contains all visible passes of the ISS during the next ten days. Please select a pass to get more details.

Time ():

The grey circle indicates the area where the Space Station is at least 10° above the horizon.

The red line shows where the ISS is sunlit and visible.

On the blue line the ISS is in the Earth's shadow and invisible or it is less than 10° above the horizon or the sky is not dark enough to see the ISS.

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