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In celestial mechanics, apsidal precession (or apsidal advance) is the precession (gradual rotation) of the line connecting the apsides (line of apsides) of an astronomical body's orbit. The apsides are the orbital points farthest (apoapsis) and closest (periapsis) from its primary body. The apsidal precession is the first time derivative of the argument…
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precession apsidal orbit orbital theorem planets effects period years general relativity time orbits apsides quadrupole mercury per century tidal perihelion
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Apsidal precession | is a | first time derivative of the argument of periapsis | 0.90 | text |
| general relativity | instance of | CalculationA variety of factors can lead to periastron precession | 0.80 | text |
| stellar quadrupole moments | instance of | CalculationA variety of factors can lead to periastron precession | 0.80 | text |
| mutual star | instance of | CalculationA variety of factors can lead to periastron precession | 0.80 | text |
| by perturbation theory | instance of | the rate of apsidal precession calculated via Newton's theorem of revolving orbits is not as accurate as it is for newer methods | 0.80 | text |
| Apsidal precession | related to General relativity | An | 0.60 | section |
| Apsidal precession | related to General relativity | Mercury | 0.60 | section |
| Apsidal precession | related to General relativity | Urbain Le Verrier | 0.60 | section |
| Apsidal precession | related to General relativity | Einstein's | 0.60 | section |
| Apsidal precession | related to General relativity | In | 0.60 | section |
| Apsidal precession | related to General relativity | They | 0.60 | section |
| Apsidal precession | related to history | The | 0.60 | section |
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