Proper orbital elements
id:
proper-orbital-elements-295-1246986
title:
Proper orbital elements
text:
The proper orbital elements or proper elements of an orbit are constants of motion of an object in space that remain practically unchanged over an astronomically long timescale. The term is usually used to describe the three quantities: proper semimajor axis (ap),
proper eccentricity (ep), and
proper inclination (ip). The proper elements can be contrasted with the osculating Keplerian orbital elements observed at a particular time or epoch, such as the semi-major axis, eccentricity, and inclinat
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Proper_orbital_elements
date created:
date modified:
2021-07-23T14:32:48Z
main entity:
{"identifier":"Q6963882","url":"https://www.wikidata.org/entity/Q6963882"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/f/f5/Proper_osculating_element_difference.png","width":231,"height":500}
fields total:
13
integrity:
14