calceph ☆
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Description:
C library to access the binary planetary ephemeris files
Type: Formula  |  Latest Version: 4.0.5@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  formulae.brew.sh
Category: Other
Tags: astronomy ephemeris physics c-library scientific-computing
Install: brew install calceph
About:
Calceph is a C library designed for accessing and reading binary planetary ephemeris files such as INPOP, JPL DE, and PK. It provides a robust API for retrieving high-precision position and velocity data for celestial bodies. This tool is essential for astronomers and physicists requiring accurate ephemeris calculations for research and simulations.
Key Features:
  • Support for multiple ephemeris formats (INPOP, JPL DE, PK)
  • High-precision position and velocity retrieval
  • Thread-safe C library API
  • Command-line interface for quick queries
Use Cases:
  • Calculating precise planetary positions for astronomical research
  • Simulating solar system dynamics in physics applications
  • Validating ephemeris data accuracy in aerospace engineering
Alternatives:
  • SPICE – NASA's SPICE toolkit is more comprehensive but significantly larger and complex to integrate for simple ephemeris access.
License: GPL-2.0-or-later
Dependencies: gcc
Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, arm64_ventura, sonoma, ventura, arm64_linux, x86_64_linux
Version History
Detected Version Rev Change Commit
Sep 12, 2025 4:29pm 0 VERSION_BUMP 302b1886
Jan 1, 2025 11:06am 0 VERSION_BUMP 24291395
Jan 1, 2025 10:50am 0 VERSION_BUMP ec2e1ccc
Oct 3, 2024 9:26am 0 VERSION_BUMP 9bf560ad
Sep 11, 2024 11:12am 0 VERSION_BUMP fa7cded7
Feb 5, 2024 9:08am 0 VERSION_BUMP 5ac14663
Sep 30, 2023 8:36am 0 VERSION_BUMP 78a45f78
Nov 30, 2022 4:14am 0 VERSION_BUMP 9bc559b2
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