eo-sat

A version of this post was originally published by Geoawesomeness on 13 June, 2020.

From keeping an eye on large forest fires to tracking clouds and watching dust storms to predict the weather, or even mapping the growth of cities to plan for sustainable living, remotely sensed data helps to improve our lives in countless ways.

The era of observing the Earth through satellites began more than six decades ago when the former Soviet Union launched the world’s first artificial satellite, Sputnik 1. Hundreds of remote sensing satellites have followed ever since, providing reliable and scientific information about our planet’s surface, oceans, atmosphere, et al.

And let’s not forget how seeing the earth from space, and getting an unexpected look at humanity, has totally changed the way we perceive our planet.

The growth of the earth observation industry has also been pretty incredible, to say the least. We have come a long way from capturing low-resolution imagery of select areas (mainly for military purposes) to cover the entire planet in high-resolution, on-demand, and in near-real-time.

And yet, when a recent project sent me looking for high-resolution satellite data, I was surprised to see that there are no resources that provide a comprehensive list of all EO satellites or a way to query them. Even Wikipedia failed to help me get a complete picture!

- How many Earth Observation satellites are there?

- What are the spatial, temporal, and spectral resolutions?

- Which data is available for free and which is commercial?

I simply couldn’t find a definite answer to these questions that should primarily be a part of any GIS professional’s basic geospatial knowledge.

This is why I decided to take the challenge on myself and compile a list of all the EO satellite systems and their parameters in such a way that no one would ever need to spend long hours searching for that data again.

All the data that I have compiled can be downloaded for free from the Google Sheet below and you can use it for your own purposes and research.

Most importantly, this is an Open Source project, so everyone is welcome to contribute. I’m happy to rectify any errors and fill the gaps.

I’m hoping that having access to so many data sources in one place will help researchers and businesses alike to find valuable planetary insights for specific causes and build more effective products from satellite data at scale.

Here is the Google Sheet which has all the data available and here is the version in XLSX format. Please note that there are two sheets available: the first one with optical and the second one with radar satellites.

I’m looking forward to your feedback and comments! You can contribute by putting a comment in the Google Sheet with the list.

Read the original article on Geoawesomeness to find out how satellite data and analytics can help people, industries, and goverments tackling climate change.

Aleks Buczkowski avatar

Aleks Buczkowski

Co-founder and author at Geoawesomeness

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