"rectilinear orbit" meaning in English

{
  "forms": [
    {
      "form": "rectilinear orbits",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rectilinear orbit (plural rectilinear orbits)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "english": "eccentricity=0.0",
          "word": "circular orbit"
        },
        {
          "word": "highly-elliptical orbit"
        },
        {
          "word": "near-circular orbit"
        }
      ],
      "glosses": [
        "A theoretical type of orbit which goes in a straight-line, up and down; with 100% orbital eccentricity (eccentricity=1.0); the orbital path passing through the center-of-mass of the primary mass being orbited; having an periapsis at 0, and two apoapsides, as both arms going out from the periastron are equidistant; where the orbital ellipse has zero width semi-minor axis/minor axis, and the path of the ellipse is the same as the major axis."
      ],
      "hypernyms": [
        {
          "word": "elliptical orbit"
        },
        {
          "word": "orbit"
        }
      ],
      "id": "en-rectilinear_orbit-en-noun-A4H8i-6o",
      "links": [
        [
          "orbit",
          "orbit#English"
        ],
        [
          "orbital eccentricity",
          "orbital eccentricity#English"
        ],
        [
          "eccentricity",
          "eccentricity#English"
        ],
        [
          "periapsis",
          "periapsis#English"
        ],
        [
          "apoapsides",
          "apoapsides#English"
        ],
        [
          "ellipse",
          "ellipse#English"
        ],
        [
          "semi-minor axis",
          "semi-minor axis#English"
        ],
        [
          "minor axis",
          "minor axis#English"
        ],
        [
          "major axis",
          "major axis#English"
        ]
      ],
      "related": [
        {
          "alt": "NRHO",
          "word": "near-rectilinear halo orbit"
        },
        {
          "alt": "NRO",
          "word": "near-rectilinear orbit"
        }
      ],
      "synonyms": [
        {
          "word": "rectilineal orbit"
        }
      ]
    }
  ],
  "word": "rectilinear orbit"
}

{
  "coordinate_terms": [
    {
      "english": "eccentricity=0.0",
      "word": "circular orbit"
    },
    {
      "word": "highly-elliptical orbit"
    },
    {
      "word": "near-circular orbit"
    }
  ],
  "forms": [
    {
      "form": "rectilinear orbits",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rectilinear orbit (plural rectilinear orbits)",
      "name": "en-noun"
    }
  ],
  "hypernyms": [
    {
      "word": "elliptical orbit"
    },
    {
      "word": "orbit"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "alt": "NRHO",
      "word": "near-rectilinear halo orbit"
    },
    {
      "alt": "NRO",
      "word": "near-rectilinear orbit"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns"
      ],
      "glosses": [
        "A theoretical type of orbit which goes in a straight-line, up and down; with 100% orbital eccentricity (eccentricity=1.0); the orbital path passing through the center-of-mass of the primary mass being orbited; having an periapsis at 0, and two apoapsides, as both arms going out from the periastron are equidistant; where the orbital ellipse has zero width semi-minor axis/minor axis, and the path of the ellipse is the same as the major axis."
      ],
      "links": [
        [
          "orbit",
          "orbit#English"
        ],
        [
          "orbital eccentricity",
          "orbital eccentricity#English"
        ],
        [
          "eccentricity",
          "eccentricity#English"
        ],
        [
          "periapsis",
          "periapsis#English"
        ],
        [
          "apoapsides",
          "apoapsides#English"
        ],
        [
          "ellipse",
          "ellipse#English"
        ],
        [
          "semi-minor axis",
          "semi-minor axis#English"
        ],
        [
          "minor axis",
          "minor axis#English"
        ],
        [
          "major axis",
          "major axis#English"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "rectilineal orbit"
    }
  ],
  "word": "rectilinear orbit"
}