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id	title	challengeType	videoUrl	localeTitle
af4afb223120f7348cdfc9fd	Map the Debris	5		映射碎片

Description

返回一个新数组，将元素的平均高度转换为轨道周期（以秒为单位）。该数组将包含{name: 'name', avgAlt: avgAlt}格式的对象。您可以在维基百科上阅读有关轨道周期的信息。值应四舍五入到最接近的整数。轨道上的身体是地球。地球半径为6367.4447公里，地球的GM值为398600.4418 km ³ s ^-2 。如果卡住，请记得使用Read-Search-Ask 。尝试配对程序。编写自己的代码。

Instructions

Tests

tests:
  - text: '<code>orbitalPeriod([{name : &quot;sputnik&quot;, avgAlt : 35873.5553}])</code>应返回<code>[{name: &quot;sputnik&quot;, orbitalPeriod: 86400}]</code> 。'
    testString: 'assert.deepEqual(orbitalPeriod([{name : "sputnik", avgAlt : 35873.5553}]), [{name: "sputnik", orbitalPeriod: 86400}], "<code>orbitalPeriod([{name : "sputnik", avgAlt : 35873.5553}])</code> should return <code>[{name: "sputnik", orbitalPeriod: 86400}]</code>.");'
  - text: '<code>orbitalPeriod([{name: &quot;iss&quot;, avgAlt: 413.6}, {name: &quot;hubble&quot;, avgAlt: 556.7}, {name: &quot;moon&quot;, avgAlt: 378632.553}])</code>应返回<code>[{name : &quot;iss&quot;, orbitalPeriod: 5557}, {name: &quot;hubble&quot;, orbitalPeriod: 5734}, {name: &quot;moon&quot;, orbitalPeriod: 2377399}]</code> 。'
    testString: 'assert.deepEqual(orbitalPeriod([{name: "iss", avgAlt: 413.6}, {name: "hubble", avgAlt: 556.7}, {name: "moon", avgAlt: 378632.553}]), [{name : "iss", orbitalPeriod: 5557}, {name: "hubble", orbitalPeriod: 5734}, {name: "moon", orbitalPeriod: 2377399}], "<code>orbitalPeriod([{name: "iss", avgAlt: 413.6}, {name: "hubble", avgAlt: 556.7}, {name: "moon", avgAlt: 378632.553}])</code> should return <code>[{name : "iss", orbitalPeriod: 5557}, {name: "hubble", orbitalPeriod: 5734}, {name: "moon", orbitalPeriod: 2377399}]</code>.");'

Challenge Seed

function orbitalPeriod(arr) {
  var GM = 398600.4418;
  var earthRadius = 6367.4447;
  return arr;
}

orbitalPeriod([{name : "sputnik", avgAlt : 35873.5553}]);

Solution

// solution required

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