Characteristic energy

In astrodynamics, the characteristic energy ( $C_3\,\!$ ) is a measure of the excess specific energy over that required to just barely escape from a massive body. The units are lengthtime, i.e. energy per mass.

Every object in a 2-body ballistic trajectory has a constant specific orbital energy $\epsilon$ equal to the sum of its kinetic and potential energy:

单词	Characteristic energy
释义	Characteristic energy 原声例句小妇人（双语原版） Jo soon found that her innocent experience had given her but few glimpses of the tragic world which underlies society, so regarding it in a business light, she set about supplying her deficiencies with characteristic energy. 乔很快就发现她那单纯的经历使她对社会底层的悲惨世界几乎没有认识，因此她从生意人的角度出发，着手以她特有的精力来弥补她的不足。英语百科 Characteristic energy In astrodynamics, the characteristic energy ( $C_3\,\!$ ) is a measure of the excess specific energy over that required to just barely escape from a massive body. The units are lengthtime, i.e. energy per mass. Every object in a 2-body ballistic trajectory has a constant specific orbital energy $\epsilon$ equal to the sum of its kinetic and potential energy:
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