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Orbital Eccentricity (Periapsis & Apoapsis) Calculator

Easily calculate and compute orbital eccentricity (periapsis & apoapsis) calculator with accurate equations, live formulas, and expert guidance.

Calculated Result
0.73 dim

Orbital Eccentricity (e)

Orbital Eccentricity (e)

0.73 dim

Semi Major Axis Km

24421

Semi Minor Axis Km

16780.1

Semi Latus Rectum Km

11529.9

Apogee To Perigee Ratio

6.31

0.73 — dim

Calculation Breakdown

  1. Applied FormulaCalculates orbital eccentricity, semi-major axis, flattening, and focal parameter p from periapsis (perigee/perihelion) and apoapsis (apogee/aphelion) distances.e = \frac{r_a - r_p}{r_a + r_p}, \quad a = \frac{r_a + r_p}{2}, \quad p = a(1 - e^2)

Orbital Eccentricity Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.00.30.50.81.0Orbital Eccentricity (e)

What Is the Orbital Eccentricity (Periapsis & Apoapsis) Calculator?

This tool computes orbital eccentricity (periapsis & apoapsis) calculator with high precision arithmetic.

How Does the Orbital Eccentricity (Periapsis & Apoapsis) Calculator Work?

Calculates orbital eccentricity, semi-major axis, flattening, and focal parameter p from periapsis (perigee/perihelion) and apoapsis (apogee/aphelion) distances.

Orbital Eccentricity (Periapsis & Apoapsis) Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

e=ra−rpra+rp,a=ra+rp2,p=a(1−e2)e = \frac{r_a - r_p}{r_a + r_p}, \quad a = \frac{r_a + r_p}{2}, \quad p = a(1 - e^2)

Calculates orbital eccentricity, semi-major axis, flattening, and focal parameter p from periapsis (perigee/perihelion) and apoapsis (apogee/aphelion) distances.

How to Use the Orbital Eccentricity (Periapsis & Apoapsis) Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Orbital Eccentricity (Periapsis & Apoapsis) Calculator Example

Input Values:

periapsisRadiusKm:6678
apoapsisRadiusKm:42164
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required dim.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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