September 17, 2021

Galileo Elliptical Auxiliary satellites removed from service

2 min read

Satellites have become popular over the years as companies work on various projects with their technology. In 2014, two Galileo satellites were launched via the Soyuz rocket into the erroneous orbit. Briefly, in 2020, the satellites were set healthy, but they have been removed from service in the recent record. After a discovery, this details that while many users had access to a better positioning, other commercial receiving were experiencing difficulty with the satellites’ highly elliptical orbits, which came to be by mistake in the Russian Launch vehicle.

On February 16th, The European GNSS Agency gave a service notice to all the users. On November 30th, 2020, flags from both GSAT0201 and GSAT0202 satellites were removed. This detail ensures that these satellites are available for positioning as auxiliary satellites. After removing the flag, the Galileo development team included an observation period to get users’ experience with the satellites via feedback.

From the feedback, it is clear that the Galileo satellites delivered a ranging accuracy similar to other constellation satellites. Other than that, there was high availability for the functional feature. With that, the majority of the users experienced a fantastic experience with robust connectivity. And these satellite positioning computations resulted in global improvements in service availability. But there is no good thing without its flow. There are transient side effects of the services on some field commercial receivers in several application domains in the report. Also, there is the issue with coping with high orbital dynamics for the satellites.

The report states that removing the flags is because the company wants to ensure that all their users are satisfied with the services. The team has flagged the satellites as unhealthy, giving the development team a chance. In a statement from Galileo, it is clear that this experience doesn’t mean that Galileo can’t meet the minimum performance levels. Still, the company wants to ensure that the services are high-quality for all its users.

Scientists from the European Space Agency describe this move as a show of excellence and potential by Galileo. It is giving engineers and scientists to figure out a way to improve constellation technology. The third Galileo launch constellation took place on 2014, August 22nd, and there was an issue with their placement in the earth’s orbit. Hence, the satellites have been functioning in a non-nominal position with exposure to radiation belts. And Scientists were unable to correct the orbits entirely due to non-nominal earth sensors’ operation and insufficient fuel.

Experts all over Europe came together in an attempt to recover the satellites. The satellites have a history of outstanding success despite the failed launch. They are in the search and rescue service for the General Theory of Relativity’s ambitious test by Einstein.

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