Decision Workspace
celestial-ephemeris vs swiss-eph vs outfit
Side-by-side comparison of Rust crates
41
celestial-ephemeris
experimentalv0.1.1-alpha.2
Astronomical ephemeris calculations
49
swiss-eph
experimentalv0.2.1
Complete FFI bindings to the Swiss Ephemeris astronomical calculation library
48
outfit
growingv2.1.0
Orbit determination toolkit in Rust. Provides astrometric parsing, observer management, and initial orbit determination (Gauss method) with JPL ephemeris support.
Core Metrics
| celestial-ephemeris | swiss-eph | outfit | |
|---|---|---|---|
| Health Score | 41 | 49 | 48 |
| Total Downloads | 34 | 314 | 993 |
| 30d Downloads | 6 | 174 | 48 |
| Dependents | 0 | 3 | 0 |
| Releases | 2 | 2 | 3 |
| Last Updated | 36d ago | 64d ago | 190d ago |
| Age | 1m | 2m | 6m |
Health Breakdown
celestial-ephemeris
Maintenance
12
Quality
12
Community
5
Popularity
2
Documentation
10
swiss-eph
Maintenance
10
Quality
15
Community
8
Popularity
3
Documentation
13
outfit
Maintenance
11
Quality
14
Community
6
Popularity
4
Documentation
13
Technical Details
| celestial-ephemeris | swiss-eph | outfit | |
|---|---|---|---|
| Version | 0.1.1-alpha.2 | 0.2.1 | 2.1.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | AGPL-3.0 | non-standard |
| Dependencies | 14 | 3 | 30 |
| Crate Size | 834KB | 477KB | 1.1MB |
| Features | 2 | 2 | 3 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | — | — | 1.82 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •swiss-eph leads with a health score of 49/100, but none of the options score above 80.
- •outfit has the most downloads (993), suggesting wider adoption.
- •celestial-ephemeris, swiss-eph are pre-1.0 — API may change.