A collision in Earth orbit: two satellites can not miss each other – than it threatens

On Wednesday at 23:39 UTC (15:39 CET) derived from the operation of the IRAS telescope and the satellite GGSE-4 can face in the sky above the Earth. Objects will be pass at a very close distance from each other in orbit.

It is reported by Science Alert, citing service LeoLabs, which monitor space debris.

The risk of collision of satellites

Two of the space object, likely to be held at a distance of about 15-30 meters from each other at a relative speed of 14.7 km/s. According to calculations, the probability that they will face is one to 100.

Dr Alice Gorman of Flinders University said that the satellites will be at a very close distance.

Space objects make evasive maneuvers to avoid collision when objects are within 60 miles away. So it (the distance of 15-30 meters) is really very close to a collision,
– explained the scientist.

What are the risks of collision

According to her, if a collision happens, the orbit can form a large amount of garbage. GGSE-4, weighing 4.5 kg can simply shatter into many small pieces when it hits in IRAS, which weighs more than a ton.

At the same time scientists believe that a collision does not pose a threat to people on Earth. If the debris will come down from orbit, they burn up in the dense atmosphere of our planet.

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