How many satellites are orbiting the Earth in 2025?

Following last week, where we talked about the growing satellite broadband constellations, this week we’re looking at the latest update on the number of satellites currently orbiting the Earth. The information in this blog is based mostly on the data … Continue reading

How many Earth observation satellites orbiting in 2023?

Last month we looked at how satellites are currently orbiting the planet, and this week we’re going to focus on the number of Earth Observation (EO) satellites at the start of 2023. This uses the database from the Union of … Continue reading

Space Debris Exploded Into the News

Space debris has exploded into the news this week. The positive side of the story occurred on Friday November 12th with the launch of the Net Zero Space initiative at the fourth Paris Peace Forum. Ten space industry companies and … Continue reading

How many Earth observation satellites are orbiting the planet in 2021?

Having spent the last few weeks looking at the developing capabilities in Earth Observation (EO) for certain countries, this week we’re looking at the wider picture and having a more detailed look at the overall number of operational satellites who … Continue reading

Next Satellites Twins Ready For Launch

The Gravity Recovery and Climate Experiment Follow-On (GRACE-FO) twin satellite mission is scheduled for launch on Monday, 21st May, from the Vandenberg Air Force Base in California. It will be aboard the SpaceX Falcon 9 rocket, alongside a number of … Continue reading

How Many Earth Observation Satellites in Orbit in 2015?

If you’d like the update for 2016, please click here. Following last week’s blog on the number of satellites orbiting the Earth, this week we’re focussing on Earth observation (EO) satellites. According to the Union of Concerned Scientists database, there … Continue reading

Temporal: The forgotten resolution

Temporal resolution shouldn’t be forgotten when considering satellite imagery; however it’s often neglected, with its partners of spatial and spectral resolution getting the limelight. The reason is the special relationship spatial and spectral has, where a higher spectral resolution has … Continue reading