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Location: Mesa, Arizona, United States

The following ISS sightings are possible from Wednesday Jan 15, 2020 through Friday Jan 31, 2020

Date Visible Max Height Appears Disappears Share Event
Thu Jan 16, 7:40 PM < 1 min 16° 11° above SSW 16° above SSW  
Fri Jan 17, 6:52 PM 2 min 20° 10° above S 20° above SE  
Sat Jan 18, 6:06 PM 1 min 10° 10° above SE 10° above ESE  
Sat Jan 18, 7:41 PM 1 min 38° 22° above WSW 38° above W  
Sun Jan 19, 6:53 PM 4 min 76° 16° above SW 30° above NE  
Mon Jan 20, 6:07 PM 3 min 36° 35° above SE 10° above ENE  
Mon Jan 20, 7:42 PM 2 min 18° 13° above WNW 18° above NW  
Tue Jan 21, 6:55 PM 3 min 30° 24° above WNW 15° above NNE  
Wed Jan 22, 6:09 PM 2 min 42° 42° above N 11° above NE  
Thu Jan 23, 6:56 PM 3 min 13° 10° above NW 10° above N  
Fri Jan 24, 6:11 PM 2 min 17° 17° above NNW 10° above NNE  
2020-01-17 02:40:00.0,Thu Jan 16, 7:40 PM,< 1 min,16°,11° above SSW,16° above SSW|2020-01-18 01:52:00.0,Fri Jan 17, 6:52 PM,2 min,20°,10° above S,20° above SE|2020-01-19 01:06:00.0,Sat Jan 18, 6:06 PM,1 min,10°,10° above SE,10° above ESE|2020-01-19 02:41:00.0,Sat Jan 18, 7:41 PM,1 min,38°,22° above WSW,38° above W|2020-01-20 01:53:00.0,Sun Jan 19, 6:53 PM,4 min,76°,16° above SW,30° above NE|2020-01-21 01:07:00.0,Mon Jan 20, 6:07 PM,3 min,36°,35° above SE,10° above ENE|2020-01-21 02:42:00.0,Mon Jan 20, 7:42 PM,2 min,18°,13° above WNW,18° above NW|2020-01-22 01:55:00.0,Tue Jan 21, 6:55 PM,3 min,30°,24° above WNW,15° above NNE|2020-01-23 01:09:00.0,Wed Jan 22, 6:09 PM,2 min,42°,42° above N,11° above NE|2020-01-24 01:56:00.0,Thu Jan 23, 6:56 PM,3 min,13°,10° above NW,10° above N|2020-01-25 01:11:00.0,Fri Jan 24, 6:11 PM,2 min,17°,17° above NNW,10° above NNE|

What am I looking for in the sky?

The space station looks like an airplane or a very bright star moving across the sky, except it doesn’t have flashing lights or change direction. It will also be moving considerably faster than a typical airplane (airplanes generally fly at about 600 miles per hour; the space station flies at 17,500 miles per hour).

Below is a time-lapse photo of the space station moving across the sky.

The International Space Station is seen in this 30 second exposure as it flies over Elkton, VA early in the morning, Saturday, August 1, 2015. Photo Credit: NASA/Bill Ingalls The International Space Station is seen in this 30 second exposure as it flies over Elkton, VA early in the morning, Saturday, August 1, 2015. Photo Credit: NASA/Bill Ingalls

Visit the NASA Johnson Flickr Photostream

How do I Spot The Station?

What does all this sighting information mean?

Time is when the sighting opportunity will begin in your local time zone. 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.

Visible is the maximum time period the space station is visible before crossing back below the horizon.

Max Height is measured in degrees (also known as elevation). It represents the height of the space station from the horizon in the night sky. The horizon is at zero degrees, and directly overhead is ninety degrees. If you hold your fist at arm’s length and place your fist resting on the horizon, the top will be about 10 degrees.

Appears is the location in the sky where the station will be visible first. This value, like maximum height, also is measured in degrees from the horizon. The letters represent compass directions -- N is north, WNW is west by northwest, and so on.

Disappears represents where in the night sky the International Space Station will leave your field of view.

Astronomical Horizon chart. Click the link for a detailed description of the astronomical horizon and sighting alert messages.

National Aeronautics and Space Administration Page Editor: Bill Keeter NASA Official: Jacob Keaton