# \[ANN\] Epicycle.jl Initial Release (Space Mission Design and Trajectory Optimization)

**URL:** https://discourse.julialang.org/t/ann-epicycle-jl-initial-release-space-mission-design-and-trajectory-optimization/135025
**Category:** Astro/Space
**Created:** [January 13, 2026, 1:23pm UTC](https://discourse.julialang.org/t/ann-epicycle-jl-initial-release-space-mission-design-and-trajectory-optimization/135025 "2026-01-13T13:23:02Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![stevenhughes](https://avatars.discourse-cdn.com/v4/letter/s/4da419/32.png) [@stevenhughes](https://discourse.julialang.org/u/stevenhughes)
#### Post date: [January 13, 2026, 1:23pm UTC](https://discourse.julialang.org/t/ann-epicycle-jl-initial-release-space-mission-design-and-trajectory-optimization/135025/1 "2026-01-13T13:23:02Z")

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Hi All,

Here is a link to an Astro/Space Release announcement that I posted to Package Announcements. Posting link here in case you don’t watch that thread.

**[[ANN] Epicycle.jl Initial Release - Space Mission Design and Trajectory Optimization](https://discourse.julialang.org/t/ann-epicycle-jl-initial-release-space-mission-design-and-trajectory-optimization/135024)**

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### Author: ![mihalybaci](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/mihalybaci/32/13528_2.png) [@mihalybaci](https://discourse.julialang.org/u/mihalybaci)
#### Post date: [January 13, 2026, 2:03pm UTC](https://discourse.julialang.org/t/ann-epicycle-jl-initial-release-space-mission-design-and-trajectory-optimization/135025/2 "2026-01-13T14:03:32Z")

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It’s probably best not to create competing threads. People will find the Package announcement.