Watch the ISS Pass Overhead – It’s Better than TV
See the International Space Station just outside your window as it passes overhead
The International Space Station, known as ISS, passes overhead about 16 times a day. Since it will pass over thousands of worldwide locations, one of its passes is sure to be close to where you live. We enjoy watching the ISS whenever it passes over our home on the eastern shore of Maryland. Several neighbors often join us intrigued by this amazing sight.
NASA tells us the space station is visible because it reflects the light of the sun. But the space station isn’t bright enough to see during the day. Look for it only when it’s dawn or dusk where you live. Since it has to be both dark where you are and the space station has to be overhead, sighting opportunities can range from one sighting a month to several a week.
What does it look like? It appears as a very fast moving star.
Get connected with the ISS schedule
Below is an example of a flyover alert that we recently received:
Time: Mon Oct 04 7:50 PM, Visible: 5 min, Max Height: 60°, Appears: 10° above NW, Disappears: 33° above ESE
Translated that means on October 4 between 7:50 p.m. and 7:55 p.m. you will see a fast moving bright object. The spacecraft reflects sunlight while it passes overhead. If the alert says it’s visible for 5 minutes then you’ll see it as it passes across the sky from the northwest to the east southeast for 5 minutes. We use binoculars to get the best view.
Use your mobile phone and your SMS address to send and receive text messages. Your 10-digit mobile phone number followed by the email address of your mobile carrier is your SMS address. Here’s the suggestion NASA gives: “For example, an AT&T SMS address would email@example.com. “They suggest checking with your individual carrier for their format.
How do we know when to look for it? Easy. You can sign up with your email address at SpotTheStation.nasa.gov to get on their mailing list and they will send you information when to watch as the ISS passes overhead your area.
How come you may not be able to watch the ISS pass overhead?
The station passes overhead many times during the 24 hour day, but you can watch it pass overhead only when it’s visible in the morning or evening and when it passes high in the sky. So when the predicted passing has a short duration and low maximum height the station will be hard to spot.
TIP: We use a compass to confirm the direction the spacecraft is coming from. And the old fist over fist technique to approximate it’s height above the horizon. Once you spot it with your naked eyes you have a better chance of viewing it with binoculars. You can’ see details like the solar arrays, or individual modules, but you will have a very clear view of it.
What’s the ISS doing up there?
The space station is a microgravity lab for science and technology research and experiments conducted by crew members from the US, the European space agency, Russia and others countries. It acts as a testbed and allows us to study the impacts on humans undergoing long term space flights.
For example, SpaceX and the UK Space Agency recently sent an experiment with hundreds of earth worms to the ISS to better understand muscle loss in humans during space flight. The molecular structure of worms is like that in humans and they are small, quick to grow and easy to maintain. So they are well suited for lab study. This Molecular Muscle Experiment may help scientists understand the problems of muscle loss during spaceflight.
To learn more about the International Space Station go to SpotTheStation.nasa.gov.
Also get the whole family involved even the youngest can get a glimpse of the space station. Get kids interested in science and the International Space Station with this link to “International Space Station Puzzles”.
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