International Space Station Passes Over Chicagoland Sky Tonight, 2nd Appearance Since Saturday Night


International Space Station over Chicagoland 7:57 PM Monday, April 5, 2021.

If you’re facing South on Monday April 5, 2021 at 7:57 p.m. you will have a good view of the International Space Station for up to 6 minutes. You will see a bright object — about as bright as Venus — travel from west to east (right to left, facing south). The International Space Station will be bright because it will be reflecting the sun at about 35 minutes after sunset (7:22 p.m.). The International Space Station will be as high as 47° as it passes at its peak in the south sky. The space station will come into view at 10° above WNW. Following a path across the entire sky, it will out of view at about 10° above SE. The International Space Station should be the brightest object in the sky at the time period when it passes Chicagoland.

International Space Station
Mon Apr 5, 7:57 PM
Observable for 6 min
Beginning 10° above WNW
Observed as high as 47°
Ending 10° above SE

There are only a few clouds over Illinois, so viewing in Chicagoland should be good.

The International Space Station will enter the skies over the Pacific Northwest about 7:51 p.m. CDT and travel southeast. We will see it while it directly over Missouri, Southern Illinois, and possibly Kentucky — passing northwest to southeast. It takes only about 10 minutes for the International Space Station to cross the United States borders on its path tonight.

Here is the position of International Space Station at 7:03 p.m., less than one hour before it makes trip half way around the world and become visible in the skies over Chicagoland.

Position of the International Space Station passing the southern tip of Africa at 7:03 p.m. (SOURCE: NASA).
Position of the International Space Station passing the southern tip of Africa at 7:03 p.m. (SOURCE: NASA &

On Saturday night the International Space Station passed over central Lake Michigan from northwest to southeast about 7:55 p.m. CDT Saturday, April 3, 2021. Viewing was optimal as the fly-by was just after sunset, which occurred at 7:21 p.m. CDT. The International Space Station was bright like Venus as it cruised at an altitude as high as 61 degrees above the northeast horizon.

On Saturday, the International Space Station made a second pass over the United States from about from the Pacific Northwest to the Gulf of Mexico in only 10 minutes.

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