Hạ Long

When to see the ISS from Hạ Long

The International Space Station’s next passes over Hạ Long, worked out from its latest orbital elements when this page loads, in local time. At 21° N, it can pass straight overhead.

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Next passes · worked out at

The station crosses the sky over Hạ Long 9 times in the next three days, but each time in daylight or in Earth’s shadow, so none of them can be seen.

None is expected to be visible in the next 10 days either.

Times are Hạ Long time (GMT+7). Predicted from the orbital elements of Oct 20, 05:01 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 Hạ Long 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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