Helike
Jupiter 545 Helike
📋 A written introduction is coming — for now this page shows official values only.
Orbit
- Semi-major axis
- 20,911,400 km
- Eccentricity
- 0.155
- Inclination
- 154.4°
- Orbital period
- 617.8625 days
- Retrograde
- Yes
Source:NASA JPL Solar System Dynamics · checked 2026-11-02 ↗
Related
Parent body
In everyday life
- One orbit takes about 617.9 Earth days (about 1.7 years).
- About 20,911,400 km from Jupiter on average — 52,279 drives along the 400 km Seoul–Busan expressway.
Worked out from this object's official values.