Hi,
@Dev, have you solved the problem, because I am in same situation like you.
kind regards,
Karlmarx Thangamani.
But in this error, particularly it is mentioned for ‘C:\Users(your name).snap\auxdata\Orbits\Sentinel-1\POEORB’ file path. So, how can we solve this?
may I know in which file format have you saved the external orbit file?
Hi Karlmarx, when you download an orbit file from the below website, there’s only 1 file format: .EOF
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Thank you. May I know which version of Snap are you using to solve the orbit file application? So that I can switch the snap to corresponding version.
One should always use the latest fully updated SNAP-version, otherwise you’ll miss out on bugfixes and new functionality…
Hello,
I also meet the same problem although I manually downloaded and copied the orbit file to the folder as @cjfergus guided.
Is there any other solution?
Best regard,
Hung
Hi hungbui,
Have you fixed the problem with orbit file?
Greetings,
Karlmarx
Use the latest fully updated version please.
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Hi,
Actually, the orbit file application is working fine for me after downloading the orbit file from the link https://scihub.copernicus.eu/gnss/#/home. I just want to say that the downloaded file can be in .zip format/ non zip format and/or also it is not only depending on date (as @cjfergus mentioned) but also depending on time.For example: 
. In this case, the previous day orbit file is worked for me as you can see the validity period here in this image
and not the same day (14.08.2021) check the validity period
So I think we should also consider the time along with the date for this problem.
Greetings,
Karlmarx
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Hello Karlmarx,
I solved it. First, I applied orbit with the option “Sentinel Restituted”. After that, I re-applied orbit with Sentinel Precise, and it worked well.
Best regards,
Hung
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@hungbui Hello hungbui, I tried to followed yours steps by first applying “Sentinel Restituted” for Apply orbit and again followed by “Sentinel Precise” but still i encountered the problem of RESORB files are no longer available. Can you suggest more details how you get rid of this No orbit file found error.
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I suspect it might have something to do with the transfer to the new Copernicus Data Space Ecosystem. I’m also experiencing this error now, whereas it worked just a few days ago
Edit: I just spotted the sticky post:
Dear user,
Sentinel-1 Toolbox version 9.0.4 is now available. Please check for updates using the Help → Check for Updates menu.
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Hello, I had the same problem as above. With the new version of the toolbox it’s working in SNAP but not in command line (SNAP can’t download the files normally and has to use the restituted files, and then I have a java negativearray error). I wanted to download it but I can’t find the file on copernicus dataspace (POEORB file from the 11/15 doesn’t seem to exist ?).
POEORB are delivered with ~20 days delay. Meanwhile you can you use restituted orbits, they are already very very good.
Oh right thank you!
Currently “https://scihub.copernicus.eu/gnss/#/home” website is not available, any alternative website available to download Orbit Files locally.
I have the same issue on my computer. Strangely for the same file, another computer is able to download the orbit file. No idea what is the cause…