The International Space Station will be visible to the naked eye tonight, weather permitting. The station orbits the Earth at a height of 254 miles and travels at a mind-blowing 17,500 miles per hour, or 4.76 miles per second.
- Tonight, it will become visible at 7:45 PM in the northwestern sky and will travel to the southeast. It will be visible for about 5 minutes. It will move at a maximum height of about 62° above the horizon.
- Tomorrow Night, it will become visible at 8:34 PM in the western sky and will travel to the southwest. It will be visible for about 4 minutes. It will move at a maximum height of about 17° above the horizon.
The space station will look like a bright star, like the North Star, and will be moving quickly across the evening sky.
The space station passes overhead many times a day but lighting conditions usually make it difficult or impossible to see. All sightings will occur within a few hours before or after sunrise or sunset. This is the optimum viewing period as the sun reflects off the space station and contrasts against the darker sky.
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