Tres Arroyos

When to see the ISS from Tres Arroyos

The International Space Station’s next passes over Tres Arroyos, worked out from its latest orbital elements when this page loads, in local time. At 38.4° S, it can pass straight overhead.

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Next passes · worked out at

Next visible pass: tonight at 21:02.

It stays low: it rises in the south-west, reaches 18° and sets in the east 5 minutes later, so look for a clear view that way.

There are 4 visible passes over Tres Arroyos in the next three days.

The highest is tomorrow evening at 21:51, at 63°.

  • Wednesday, October 2121:02–21:07south-west to east, up to 18°
  • Thursday, October 2220:15–20:19south to south-east, up to 14°
  • Thursday, October 2221:51–21:58south-west to north-east, up to 63°
  • Friday, October 2321:04–21:10south-west to east, up to 37°

Times are Tres Arroyos time (GMT-3). Predicted from the orbital elements of Oct 21, 01:08 UTC. A pass needs a clear sky, and the times move when the station boosts its orbit.

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Good to know

  • A pass can be seen when the station is still in sunlight while the sky over Tres Arroyos is dark, in the hours after sunset or before dawn. It looks like a bright, steady star crossing the sky in a few minutes.
  • The times are predicted from the latest published orbital elements, not observed, and cloud isn’t taken into account.
  • Passes are counted from 10° above the horizon, where buildings and haze stop hiding them.

How the layers work, where their data comes from and what they can’t tell you: Where is the ISS now?, Satellite tracker, Day and night, live

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