Decision Workspace
vsop87 vs siderust vs stem-branch
Side-by-side comparison of Rust crates
52
vsop87
growingv3.0.0
Pure Rust VSOP87 algorithm implementation. Includes all VSOP87 algorith versions: VSOP87, VSOP87A, VSOP87B, VSOP87C, VSOP87D and VSOP87E. VSOP87 are a family of algorithms used to predict the position of planets in the solar system with great accuracy. That position can be used by astronomical software to create views of the sky, or by simulation software to know the position of the planets.
54
siderust
growingv0.11.0
High-precision astronomy and satellite mechanics in Rust.
54
stem-branch
experimentalv0.8.0
Native Rust port of stem-branch's solar ephemeris core (full VSOP87D Earth series + JPL DE441-fitted correction + IAU2000B nutation).
Core Metrics
| vsop87 | siderust | stem-branch | |
|---|---|---|---|
| Health Score | 52 | 54 | 54 |
| Total Downloads | 41.2K | 3.4K | 1.3K |
| 30d Downloads | 1.2K | 0 | 1.3K |
| Dependents | 17 | 3 | 6 |
| Releases | 17 | 18 | 8 |
| Last Updated | 995d ago | 9d ago | today |
| Age | 10y 10m | 1y 1m | 14d |
Health Breakdown
vsop87
Maintenance
4
Quality
19
Community
8
Popularity
6
Documentation
15
siderust
Maintenance
18
Quality
14
Community
8
Popularity
4
Documentation
10
stem-branch
Maintenance
13
Quality
14
Community
8
Popularity
4
Documentation
15
Technical Details
| vsop87 | siderust | stem-branch | |
|---|---|---|---|
| Version | 3.0.0 | 0.11.0 | 0.8.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT/Apache-2.0 | AGPL-3.0-only | Apache-2.0 |
| Dependencies | 3 | 23 | 0 |
| Crate Size | 4.9MB | 862KB | 276KB |
| Features | 3 | 12 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.70 | — | 1.75 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •siderust leads with a health score of 54/100, but none of the options score above 80.
- •vsop87 has the most downloads (41.2K), suggesting wider adoption.
- •⚠ vsop87 has not been updated in over a year.
- •siderust, stem-branch are pre-1.0 — API may change.