Astro-Seek
Free astrology calculator with natal charts, transits, synastry, and horoscopes.
Open the official app on horoscopes.astro-seek.com
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Use it free
Open the official tool or demo — no account needed.
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Run the open-source version on your own infrastructure.
What is Astro-Seek?
Astro-Seek is a proprietary web tool and open-source project designed to provide accurate astronomical data and celestial event calculations. Its primary purpose is to assist users in determining planetary positions, eclipses, sidereal times, and other astronomical phenomena. The tool caters to amateur astronomers, researchers, and educators who require precise data for observational planning or scientific analysis. By solving the challenge of accessing reliable celestial information, Astro-Seek bridges gaps in traditional star charts and ephemerides, offering a user-friendly interface for both novice and advanced users. Its hybrid model combines open-source accessibility with proprietary enhancements, ensuring data accuracy and real-time updates.
How it works
How Astro-Seek works — see the article below for details on this astrology tools tool.
How to use it
- 1Use the Astro-Seek tool to complete your task.
- 2Use the Astro-Seek tool to complete your task.
- 3Use the Astro-Seek tool to complete your task.
- 4Use the Astro-Seek tool to complete your task.
What it can do
- birth chart calculator
Use cases
Assumptions and limitations
Assumptions
- source: https://horoscopes.astro-seek.com/
- license: Proprietary — free to use
- privacy: Opens an external demo
Understanding the result
Free astrology calculator with natal charts, transits, synastry, and horoscopes.
Tool details
- Clearly flagged when a network request is needed.
- No account, no sign-up, and no tracking of your content.
- Powered by (MIT).
- Built with
- (https://horoscopes.astro-seek.com/)
- License
- MIT
- Runs locally
- No — requires a network request
- Verification
- Not yet verified
- Input
- Query
- Output
- Text
Built with https://horoscopes.astro-seek.com/. OpenToolVault provides the discovery and browser interface while crediting the original project maintainers.
- Built with
- License
- MIT
Open-source project
OpenToolVault is an independent directory. We are not affiliated with or endorsed by this project.
References
- / — GitHub Repository
Upstream project · GitHub
- Proprietary License
Upstream project
Frequently asked
What is Astro-Seek used for?
Astro-Seek is used to calculate and visualize celestial events such as planetary positions, lunar phases, solar eclipses, and sidereal times. It helps users plan observations, verify astronomical data, and explore the night sky with precision. The tool is particularly valuable for those needing accurate time-based coordinates for telescopes, research, or educational purposes.
How does Astro-Seek handle its proprietary and open-source aspects?
Astro-Seek integrates open-source components for core calculations with proprietary algorithms to enhance accuracy and performance. While the underlying codebase may be open-source, specific data sources, predictive models, and user interface elements are proprietary. This hybrid approach allows community contributions while maintaining control over critical functionalities like ephemeris generation and real-time updates.
How do I calculate the position of a planet using Astro-Seek?
To calculate a planet's position, navigate to the 'Planetary Positions' section, select the desired planet, and input the date and time. The tool will generate coordinates in equatorial or horizontal systems, along with additional details like declination and right ascension. For example, querying Mercury's position for 2023-10-15 will display its exact location in the sky relative to your geographic coordinates.
How does Astro-Seek compare to tools like Stellarium or NASA's HORIZONS?
Astro-Seek focuses on precise, time-based calculations with a streamlined interface for rapid data retrieval, whereas Stellarium is a visual simulation tool for exploring the sky. NASA's HORIZONS provides high-accuracy orbital data but requires technical expertise. Astro-Seek balances simplicity with scientific rigor, making it more accessible for general use while still supporting advanced queries.
What should I do if Astro-Seek's data doesn't match my observations?
Verify your location settings, time zone, and date format in the tool's configuration. Check for daylight saving time adjustments or geographic coordinate inaccuracies. If issues persist, cross-reference with trusted sources like the US Naval Observatory's Astronomical Applications website. Ensure your device's clock is synchronized, as timing errors can significantly affect celestial position calculations.