Orbital Eccentricity
Calculator
Orbital eccentricity
0.016711
Results
- Orbital eccentricity
- 0.016711
- Aphelion/perihelion ratio
- 1.03399
Astronomy results
| Orbital eccentricity | 0.016711 |
| Aphelion/perihelion ratio | 1.03399 |
formula-map diagram
- Orbital eccentricity
- 0.016711
- Aphelion/perihelion ratio
- 1.03399
Astronomical relationship
Formula
e = (r_a − r_p) / (r_a + r_p)= 0.016711229946524
Note
This result is a simplified model: it applies the displayed textbook formula to the values you entered, assuming ideal spherical bodies, circular orbits, blackbody radiation and perfect optics, and ignoring atmospheric seeing, relativistic corrections beyond those stated, cosmological models and measurement uncertainty. Use published ephemerides and catalogue data for real observations.