Questions tagged [sentinel-spacecraft]

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12
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2answers
707 views

What is the large circular device with a dozen concentric circles on Sentinel 3B?

The Spaceflight Now article Photos: Sentinel 3B satellite prepared for launch from Plesetsk Cosmodrome has of course lots of photos. One of them shows a dish antenna covered with shiny, metallized ...
4
votes
2answers
294 views

Why is Sentinel 3B's dish antenna overwrapped with metallized film?

The Spaceflight Now article Photos: Sentinel 3B satellite prepared for launch from Plesetsk Cosmodrome has of course lots of photos. One of them shows a dish antenna covered with shiny, metallized ...
2
votes
1answer
148 views

How will the corner cube retroreflector array be used on Sentinel 3B?

The Spaceflight Now article Photos: Sentinel 3B satellite prepared for launch from Plesetsk Cosmodrome has of course lots of photos. One of them shows a dish antenna covered with shiny, metallized ...
1
vote
1answer
74 views

What is the parameter which stays constant at a location for downloading from Sentinel Copernicus Data?

The parameters orbitdirection, orbitnumber, platformname, productclass, producttype etc. seem to be not very useful in identifying a product in sentinel data. I have a product targeting an area - ...
1
vote
1answer
55 views

How will the “fleet of small asteroid hunters” proposed by the B612 Foundation & York Space Systems work?

The June 2018 news item in Science To find small asteroids that could hit Earth, private foundation embraces small satellites says: On 10 May, B612 announced a partnership with York Space Systems, ...