"P/2 orbit" meaning in English

{
  "forms": [
    {
      "form": "2 orbit",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "2 orbits",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "2 orbit (plural 2 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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Space",
          "orig": "en:Space",
          "parents": [
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "english": "low Earth orbit",
          "word": "LEO"
        },
        {
          "english": "medium Earth orbit",
          "word": "MEO"
        },
        {
          "english": "high Earth orbit",
          "word": "HEO"
        },
        {
          "english": "geostationary equatorial Earth orbit",
          "word": "GEO"
        },
        {
          "english": "geostationary transfer Earth orbit",
          "word": "GTO"
        },
        {
          "english": "geosynchronous Earth orbit",
          "word": "GSO"
        },
        {
          "english": "Sun synchronous Earth orbit",
          "word": "SSO"
        },
        {
          "english": "intermediate circular Earth orbit",
          "word": "ICO"
        },
        {
          "english": "Lunar transfer Earth orbit",
          "word": "LTO"
        },
        {
          "english": "geostationary equatorial orbit",
          "word": "GEO"
        },
        {
          "english": "geostationary transfer orbit",
          "word": "GTO"
        },
        {
          "english": "geosynchronous orbit",
          "word": "GSO"
        },
        {
          "english": "Sun synchronous orbit",
          "word": "SSO"
        },
        {
          "english": "intermediate circular orbit",
          "word": "ICO"
        }
      ],
      "glosses": [
        "A lunar-resonant orbit about the Earth with a period of 1/2 that of the Moon's (P/2 is an orbit that is approximately a fortnight long)"
      ],
      "id": "en-P/2_orbit-en-noun-Qe7EsTMB",
      "links": [
        [
          "space flight",
          "space flight"
        ],
        [
          "resonant orbit",
          "resonant orbit"
        ],
        [
          "Earth",
          "Earth"
        ],
        [
          "Moon",
          "Moon"
        ]
      ],
      "qualifier": "space flight",
      "raw_glosses": [
        "(space flight) A lunar-resonant orbit about the Earth with a period of 1/2 that of the Moon's (P/2 is an orbit that is approximately a fortnight long)"
      ]
    }
  ],
  "word": "P/2 orbit"
}

{
  "coordinate_terms": [
    {
      "english": "low Earth orbit",
      "word": "LEO"
    },
    {
      "english": "medium Earth orbit",
      "word": "MEO"
    },
    {
      "english": "high Earth orbit",
      "word": "HEO"
    },
    {
      "english": "geostationary equatorial Earth orbit",
      "word": "GEO"
    },
    {
      "english": "geostationary transfer Earth orbit",
      "word": "GTO"
    },
    {
      "english": "geosynchronous Earth orbit",
      "word": "GSO"
    },
    {
      "english": "Sun synchronous Earth orbit",
      "word": "SSO"
    },
    {
      "english": "intermediate circular Earth orbit",
      "word": "ICO"
    },
    {
      "english": "Lunar transfer Earth orbit",
      "word": "LTO"
    },
    {
      "english": "geostationary equatorial orbit",
      "word": "GEO"
    },
    {
      "english": "geostationary transfer orbit",
      "word": "GTO"
    },
    {
      "english": "geosynchronous orbit",
      "word": "GSO"
    },
    {
      "english": "Sun synchronous orbit",
      "word": "SSO"
    },
    {
      "english": "intermediate circular orbit",
      "word": "ICO"
    }
  ],
  "forms": [
    {
      "form": "2 orbit",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "2 orbits",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "2 orbit (plural 2 orbits)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms spelled with numbers",
        "en:Space"
      ],
      "glosses": [
        "A lunar-resonant orbit about the Earth with a period of 1/2 that of the Moon's (P/2 is an orbit that is approximately a fortnight long)"
      ],
      "links": [
        [
          "space flight",
          "space flight"
        ],
        [
          "resonant orbit",
          "resonant orbit"
        ],
        [
          "Earth",
          "Earth"
        ],
        [
          "Moon",
          "Moon"
        ]
      ],
      "qualifier": "space flight",
      "raw_glosses": [
        "(space flight) A lunar-resonant orbit about the Earth with a period of 1/2 that of the Moon's (P/2 is an orbit that is approximately a fortnight long)"
      ]
    }
  ],
  "word": "P/2 orbit"
}