Satcat

Analyze and track over 25,000 satellites in real-time

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With over 60,000 objects in our database and up to four years of space data, Satcat.com is designed to help you track, research, and experiment with satellites and their orbits.
Satcat gallery image
Satcat gallery image
Satcat gallery image
Satcat gallery image
Satcat gallery image
Satcat gallery image
Free
Launch tags:Space•Data & Analytics•Science
Launch Team / Built With
Migma AI
Migma AI
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What do you think? …

Hyun Seo
Maker
📌
Hi everyone! 👋 I'm Hyun, VP of Product at Kayhan Space. We're a SaaS company striving to create top-notch software experiences for the space industry. Our software is currently being used by leading satellite operators. As a company, we aim to offer something for everyone. While there's a wealth of data available from sources like space-track.org and "GCAT" from Jonathan McDowell's website, and numerous tools, what's missing is a unified platform. The industry lacks a space-related tool with modern user experience accessible to all. Today, we're excited to announce the launch of Satcat. Whether you're a satellite operator, astronomer, or simply interested in space, there's something for you to explore on Satcat! Here's what you can do with Satcat.com: - Track satellites like the International Space Station in real-time and get forecasts on when they'll be visible from your location. - View a 3D globe of active satellites. - Access up to 4 years of historical TLEs and orbital elements data. - Load your own TLEs and visualize your own orbits. - Search satellites by owner, country of origin, launch date, decay date, orbital elements, and more. And did I mention it's free? This is just our first release, and we're thrilled to share it with you and see it grow. Check it out for free at https://www.satcat.com. --- Please check out these YouTube videos to max out Satcat's utility! How to use the basic search
How to use the advanced search
How to use the Sandbox
Nichole Elizabeth DeMerè (Eithiriel)
@hyun_seo Thank you for sharing this data! I think it's important for the public to have access to it for numerous reasons.
Kirill Markin
ozma.io
Congratulations on the launch, Hyun and the team! Satcat's real-time satellite tracking sounds impressive. How do you handle the updates for decayed or newly launched satellites in such a large database?
Hyun Seo
Maker
@kirill_markin Thank you so much Kirill! So we currently update our trajectory (in TLE format) database twice a day. Separately, we update our satellite catalog twice a day. The trajectory database obviously expands more and more as time goes on; so we time-bucket them in the database by year and month. Thank you for the interest and happy searching!
Fabrizio D'Urso
OutyPlay
@hyun_seo mind blowing, upvoted! How do you manage all that real-time information?
Hyun Seo
Maker
@fabdurso Thank you Fabrizio! So a lot of the data comes from the US Space Force via space-track.org in a format called TLE / 3LEs (Two or Three Line Elements). It's literally a 3 lined string that has "orbital parameters" in them; I.e., what was the physical state of an object in a given time? Then we historically catalog that (that's how you get the time-based plots) and for the globe, we "propagate" them. I.e., using a physics simulator called SGP4, it forward/backward projects the trajectory of a given satellite. Fun fact: TLEs have about a ~1km+ error distance; not too bad when viewing dots on a 30" screen, but not very good when you want to coordinate two separate satellite to avoid a collision!
Fabrizio D'Urso
OutyPlay
@hyun_seo wow, thanks a lot for the detailed info!
Hyun Seo
Maker
@fabdurso Absolutely! Let us know if you have anymore questions.
Trent Kennelly
That is SICK! I wish I was deeper in this particular industry, but even lacking that i can directly see the huge benefits of this product. Incredible work!
Hyun Seo
Maker
@trent_kennelly Thanks Trent!
Kais radwan
Koxy AI
This is really crazy. I LOVE it
Hyun Seo
Maker
@kais_radwan Thank you Kais! What would you say if we made this in about 2 months with people you can count with one hand? We're just getting started!
Kais radwan
Koxy AI
@hyun_seo Wow, much respect... Looking forward to more amazing work!
Albert
SiteForge - AI Website Wireframer
congratulations on the launch of satcat, hyun and dk. the ability to track and analyze satellites in real time opens up numerous possibilities. i'm curious, how does satcat ensure the accuracy of satellite tracking data, considering the number of objects and the frequent changes in orbits? looking forward to exploring your platform.
DK Woods
Maker
@mashy Hi Albert, The tracking data is publicly provided by the US government's sensor network, in the form of Two-Line Element (TLE) sets. The accuracy of this public data grows by roughly 1 km of positional error per day, which is sufficient for these types of visualizations and analyses. At Kayhan Space, we do not use TLEs for operational spaceflight safety; instead we use high-accuracy propagation from state vectors produced by our orbit determination software. Thank you for your support, and happy to answer more questions!
Emily Willis
Marlee
Hi Hyun, this is so cool! Congratulations on launching! I don't work in the space tech industry but it's so interesting to see how transparent and searchable satellites are with your tech.
Hyun Seo
Maker
@emily_willis1 Thank you very much Emily! Amazingly, the data is primarily available because of the US Government; specifically provided by the US Space Force (formerly by US Air Force) via space-track.org Happy searching!
Emily Willis
Marlee
@hyun_seo Thanks! It's brilliant!
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