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BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP

Significant website upgrade scheduled for September 27. More details available here.

Notice (2021-Sep-13)

The SSD website has been significantly upgraded over the past few years with the following goals.

  • improved site navigation designed to make it easier to find content of interest
  • providing new content and tools
  • using APIs behind most tools to allowing direct programmatic access to data
  • improved look using commonly used frameworks supported on the most used browsers

Migration to the upgraded website is planned for September 27, 2021 in the morning (Pacific time).

Most users will not need to take any specific action. Users with bookmarked URLs to the current website should be automatically redirected to new corresponding pages.

If you have or use tools that scrape content from the current website, such tools will likely fail after the migration. It is important to understand that such tools are not supported. If you are such a user and are concerned about the implications of the new website, please let us know what tool(s) you use so we can provide alternative APIs or ideas.

Many new APIs are already available via our API server. Only a few remain to be released and they should be released in the next few days. A separate announcement will be sent once the remaining APIs have been released.

The new website requires JavaScript. If you use a browser with JavaScript disabled, you will not be able to use many tools and will not be able to navigate via the menus. Similarly, if you use a very old browser (e.g., IE8 or earlier), you are also likely to have trouble using the new tools. For the vast majority of SSD website users, there should be no issues with your browser.

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FirstGov 2021-Sep-19 00:21 UT 
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Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin