"pericynthion" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "περι-"
      },
      "expansion": "Ancient Greek περι- (peri-)",
      "name": "der"
    }
  ],
  "etymology_text": "From peri- + Cynthia (“Artemis, the Moon”) + -on, from Ancient Greek περι- (peri-) + Κυνθία (Kunthía, “Artemis”) + -ον (-on). Compare perihelion, periastron.",
  "forms": [
    {
      "form": "pericynthions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pericynthion (plural pericynthions)",
      "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": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1963, Lunar Flight Handbook - Part 1, page 117:",
          "text": "Trajectory sensitivities are determined for ü=3hr and the first adjustment method is used to calculate that a midcourse correction AV_ = 7.3m/sec is required to correct to the nominal pericynthion point and time.",
          "type": "quote"
        },
        {
          "ref": "1964, G. Kimball Miller, Jr., A simplified guidance scheme for aborting lunar landings:",
          "text": "The nominal landing trajectory used in this study consists of applying constant thrust at the pericynthion of the synchronous orbit and performing a gravity-turn descent to a point about 5,500 feet above the lunar surface.",
          "type": "quote"
        },
        {
          "ref": "2014, Victor Szebehely, Celestial Mechanics and Astrodynamics, →ISBN, page 491:",
          "text": "Because of the \"requirement\" that the pericynthion of this type of trajectory lie on the earth-moon axis, the pericynthion loci of realistic panes pass through or very close to the earth-moon axis regardless of i_(VTL).",
          "type": "quote"
        },
        {
          "ref": "2015, Zhigang Fang, Energy Science and Applied Technology, →ISBN:",
          "text": "The pericynthion's distance of 15 km and the apocynthion's distance of 100 km are known.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The point in an elliptical orbit around the moon that passes closest to the moon."
      ],
      "id": "en-pericynthion-en-noun-bHdpJN7o",
      "links": [
        [
          "elliptical",
          "elliptical"
        ],
        [
          "orbit",
          "orbit"
        ],
        [
          "moon",
          "moon"
        ]
      ],
      "related": [
        {
          "word": "periapsis"
        }
      ],
      "synonyms": [
        {
          "word": "periapsis"
        },
        {
          "word": "perilune"
        },
        {
          "word": "periselene"
        }
      ]
    }
  ],
  "word": "pericynthion"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "περι-"
      },
      "expansion": "Ancient Greek περι- (peri-)",
      "name": "der"
    }
  ],
  "etymology_text": "From peri- + Cynthia (“Artemis, the Moon”) + -on, from Ancient Greek περι- (peri-) + Κυνθία (Kunthía, “Artemis”) + -ον (-on). Compare perihelion, periastron.",
  "forms": [
    {
      "form": "pericynthions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pericynthion (plural pericynthions)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "periapsis"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms derived from Ancient Greek",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1963, Lunar Flight Handbook - Part 1, page 117:",
          "text": "Trajectory sensitivities are determined for ü=3hr and the first adjustment method is used to calculate that a midcourse correction AV_ = 7.3m/sec is required to correct to the nominal pericynthion point and time.",
          "type": "quote"
        },
        {
          "ref": "1964, G. Kimball Miller, Jr., A simplified guidance scheme for aborting lunar landings:",
          "text": "The nominal landing trajectory used in this study consists of applying constant thrust at the pericynthion of the synchronous orbit and performing a gravity-turn descent to a point about 5,500 feet above the lunar surface.",
          "type": "quote"
        },
        {
          "ref": "2014, Victor Szebehely, Celestial Mechanics and Astrodynamics, →ISBN, page 491:",
          "text": "Because of the \"requirement\" that the pericynthion of this type of trajectory lie on the earth-moon axis, the pericynthion loci of realistic panes pass through or very close to the earth-moon axis regardless of i_(VTL).",
          "type": "quote"
        },
        {
          "ref": "2015, Zhigang Fang, Energy Science and Applied Technology, →ISBN:",
          "text": "The pericynthion's distance of 15 km and the apocynthion's distance of 100 km are known.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The point in an elliptical orbit around the moon that passes closest to the moon."
      ],
      "links": [
        [
          "elliptical",
          "elliptical"
        ],
        [
          "orbit",
          "orbit"
        ],
        [
          "moon",
          "moon"
        ]
      ],
      "synonyms": [
        {
          "word": "periapsis"
        },
        {
          "word": "perilune"
        },
        {
          "word": "periselene"
        }
      ]
    }
  ],
  "word": "pericynthion"
}