Specific Orbital Energy
Calculator

Inputs

Specific orbital energy (J/kg)
-443,677,730.634972

Results

Specific orbital energy (J/kg)
-443,677,730.634972
Specific orbital energy (MJ/kg)
-443.67773

Astronomy results

Specific orbital energy (J/kg)-443,677,730.634972
Specific orbital energy (MJ/kg)-443.67773

formula-map diagram

Specific orbital energy (J/kg)
-443,677,730.634972
Specific orbital energy (MJ/kg)
-443.67773

Astronomical relationship

Formula

ε = −G M / (2a)

= -443677730.63497

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.

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