See periapsis in All languages combined, or Wiktionary
Download JSON data for periapsis meaning in English (5.7kB)
{
"antonyms": [
{
"word": "apoapsis"
}
],
"derived": [
{
"_dis1": "0 0",
"word": "argument of periapsis"
},
{
"_dis1": "0 0",
"word": "longitude of periapsis"
}
],
"etymology_templates": [
{
"args": {
"1": "en",
"2": "peri",
"3": "apsis"
},
"expansion": "peri- + apsis",
"name": "prefix"
}
],
"etymology_text": "peri- + apsis.",
"forms": [
{
"form": "periapsides",
"tags": [
"plural"
]
},
{
"form": "periapsises",
"tags": [
"plural"
]
},
{
"form": "periapses",
"tags": [
"plural"
]
}
],
"head_templates": [
{
"args": {
"1": "periapsides",
"2": "periapsises",
"3": "periapses"
},
"expansion": "periapsis (plural periapsides or periapsises or periapses)",
"name": "en-noun"
}
],
"hypernyms": [
{
"_dis1": "0 0",
"word": "apsis"
}
],
"lang": "English",
"lang_code": "en",
"pos": "noun",
"related": [
{
"_dis1": "0 0",
"word": "periareion"
},
{
"_dis1": "0 0",
"word": "periastron"
},
{
"_dis1": "0 0",
"word": "peribothron"
},
{
"_dis1": "0 0",
"word": "pericenter"
},
{
"_dis1": "0 0",
"word": "pericentre"
},
{
"_dis1": "0 0",
"word": "pericynthion"
},
{
"_dis1": "0 0",
"word": "perigalacticon"
},
{
"_dis1": "0 0",
"word": "perigee"
},
{
"_dis1": "0 0",
"word": "perihelion"
},
{
"_dis1": "0 0",
"word": "perihermion"
},
{
"_dis1": "0 0",
"word": "perijove"
},
{
"_dis1": "0 0",
"word": "perikrone"
},
{
"_dis1": "0 0",
"word": "perikron"
},
{
"_dis1": "0 0",
"word": "perilune"
},
{
"_dis1": "0 0",
"word": "perimelasma"
},
{
"_dis1": "0 0",
"word": "perinigricon"
},
{
"_dis1": "0 0",
"word": "periposeidon"
},
{
"_dis1": "0 0",
"word": "perisaturnium"
},
{
"_dis1": "0 0",
"word": "periselene"
}
],
"senses": [
{
"categories": [
{
"kind": "topical",
"langcode": "en",
"name": "Astronomy",
"orig": "en:Astronomy",
"parents": [
"Sciences",
"Space",
"All topics",
"Nature",
"Fundamental"
],
"source": "w"
},
{
"kind": "topical",
"langcode": "en",
"name": "Astrophysics",
"orig": "en:Astrophysics",
"parents": [
"Astronomy",
"Physics",
"Sciences",
"Space",
"All topics",
"Nature",
"Fundamental"
],
"source": "w"
},
{
"_dis": "90 10",
"kind": "other",
"name": "English entries with incorrect language header",
"parents": [
"Entries with incorrect language header",
"Entry maintenance"
],
"source": "w+disamb"
},
{
"_dis": "81 19",
"kind": "other",
"name": "English terms prefixed with peri-",
"parents": [],
"source": "w+disamb"
},
{
"_dis": "90 10",
"kind": "topical",
"langcode": "en",
"name": "Orbits",
"orig": "en:Orbits",
"parents": [
"Astronautics",
"Curves",
"Gravity",
"Space",
"Applied sciences",
"Shapes",
"Acceleration",
"Astrophysics",
"Mechanics",
"Nature",
"Sciences",
"Geometry",
"Physics",
"Astronomy",
"All topics",
"Mathematics",
"Fundamental",
"Formal sciences"
],
"source": "w+disamb"
}
],
"examples": [
{
"text": "1983, Richard O. Fimmel, Laurence Colin, Eric Burgess, Pioneer Venus, NASA SP-461, page 109,\nFigure 5-19. Sun-Venus-Orbiter geometry illustrates how the periapsis moves around the planet during the Venusian sidereal year to sample day and night hemispheres. Because the planet rotates in a retrograde direction, it takes more than one Venusian sidereal year for periapsis to move over all longitudes of the planet (as explained in text)."
},
{
"ref": "2001, D. A. Vallado, Fundamentals of Astrodynamics and Applications, Springer, page 325",
"text": "We don't always want to burn near periapsis. Suppose we want to change the height at periapsis. The most efficient place to change the radius of periapsis is at apoapsis. Consider applying #x5C;Deltav at some other point in the orbit. In this case both periapsis and apoapsis will change. If we apply the #x5C;Deltav tangentially at apoapsis, all of the #x5C;Deltav will go into changing periapsis, and vice versa.",
"type": "quotation"
},
{
"text": "2004, R. S. Saunders, et al., Mars Odyssey Mission, C. T. Russell (editor), 2001 Mars Odyssey, Kluwer Academic Publishers, page 34,\nThe main aerobraking phase began once the point of the spacecraft's periapsis had been lowered to within 110 km above the Martian surface."
}
],
"glosses": [
"The point of a body's (elliptical) orbit in a 2-body gravitational system such that the distance between the two bodies (measured from their respective centres of mass) is at its minimum."
],
"id": "en-periapsis-en-noun-Swfia5Kt",
"links": [
[
"astronomy",
"astronomy"
],
[
"astrophysics",
"astrophysics"
],
[
"point",
"point"
],
[
"body",
"body"
],
[
"elliptical",
"elliptical"
],
[
"orbit",
"orbit"
],
[
"system",
"system"
],
[
"distance",
"distance"
],
[
"minimum",
"minimum"
]
],
"raw_glosses": [
"(astronomy, astrophysics) The point of a body's (elliptical) orbit in a 2-body gravitational system such that the distance between the two bodies (measured from their respective centres of mass) is at its minimum."
],
"topics": [
"astronomy",
"astrophysics",
"natural-sciences"
],
"translations": [
{
"_dis1": "93 7",
"code": "nl",
"lang": "Dutch",
"sense": "Translations",
"tags": [
"masculine"
],
"word": "perifocus"
},
{
"_dis1": "93 7",
"code": "nl",
"lang": "Dutch",
"sense": "Translations",
"tags": [
"feminine"
],
"word": "periapsis"
},
{
"_dis1": "93 7",
"code": "fi",
"lang": "Finnish",
"sense": "Translations",
"word": "periapsis"
},
{
"_dis1": "93 7",
"code": "fr",
"lang": "French",
"sense": "Translations",
"word": "périapse"
},
{
"_dis1": "93 7",
"code": "fr",
"lang": "French",
"sense": "Translations",
"tags": [
"masculine"
],
"word": "périapside"
},
{
"_dis1": "93 7",
"code": "el",
"lang": "Greek",
"roman": "períapsi",
"sense": "Translations",
"tags": [
"feminine"
],
"word": "περίαψη"
},
{
"_dis1": "93 7",
"code": "ga",
"lang": "Irish",
"sense": "Translations",
"tags": [
"feminine"
],
"word": "pearaipsis"
},
{
"_dis1": "93 7",
"code": "pt",
"lang": "Portuguese",
"sense": "Translations",
"tags": [
"feminine"
],
"word": "periapside"
}
]
},
{
"glosses": [
"The minimum distance between the two bodies in such a system."
],
"id": "en-periapsis-en-noun-OlLCaKOS",
"links": [
[
"distance",
"distance"
]
]
}
],
"synonyms": [
{
"_dis1": "0 0",
"word": "pericenter"
}
],
"word": "periapsis"
}
{
"antonyms": [
{
"word": "apoapsis"
}
],
"categories": [
"English countable nouns",
"English entries with incorrect language header",
"English lemmas",
"English nouns",
"English nouns with irregular plurals",
"English terms prefixed with peri-",
"Translation table header lacks gloss",
"en:Orbits"
],
"derived": [
{
"word": "argument of periapsis"
},
{
"word": "longitude of periapsis"
}
],
"etymology_templates": [
{
"args": {
"1": "en",
"2": "peri",
"3": "apsis"
},
"expansion": "peri- + apsis",
"name": "prefix"
}
],
"etymology_text": "peri- + apsis.",
"forms": [
{
"form": "periapsides",
"tags": [
"plural"
]
},
{
"form": "periapsises",
"tags": [
"plural"
]
},
{
"form": "periapses",
"tags": [
"plural"
]
}
],
"head_templates": [
{
"args": {
"1": "periapsides",
"2": "periapsises",
"3": "periapses"
},
"expansion": "periapsis (plural periapsides or periapsises or periapses)",
"name": "en-noun"
}
],
"hypernyms": [
{
"word": "apsis"
}
],
"lang": "English",
"lang_code": "en",
"pos": "noun",
"related": [
{
"word": "periareion"
},
{
"word": "periastron"
},
{
"word": "peribothron"
},
{
"word": "pericenter"
},
{
"word": "pericentre"
},
{
"word": "pericynthion"
},
{
"word": "perigalacticon"
},
{
"word": "perigee"
},
{
"word": "perihelion"
},
{
"word": "perihermion"
},
{
"word": "perijove"
},
{
"word": "perikrone"
},
{
"word": "perikron"
},
{
"word": "perilune"
},
{
"word": "perimelasma"
},
{
"word": "perinigricon"
},
{
"word": "periposeidon"
},
{
"word": "perisaturnium"
},
{
"word": "periselene"
}
],
"senses": [
{
"categories": [
"English terms with quotations",
"en:Astronomy",
"en:Astrophysics"
],
"examples": [
{
"text": "1983, Richard O. Fimmel, Laurence Colin, Eric Burgess, Pioneer Venus, NASA SP-461, page 109,\nFigure 5-19. Sun-Venus-Orbiter geometry illustrates how the periapsis moves around the planet during the Venusian sidereal year to sample day and night hemispheres. Because the planet rotates in a retrograde direction, it takes more than one Venusian sidereal year for periapsis to move over all longitudes of the planet (as explained in text)."
},
{
"ref": "2001, D. A. Vallado, Fundamentals of Astrodynamics and Applications, Springer, page 325",
"text": "We don't always want to burn near periapsis. Suppose we want to change the height at periapsis. The most efficient place to change the radius of periapsis is at apoapsis. Consider applying #x5C;Deltav at some other point in the orbit. In this case both periapsis and apoapsis will change. If we apply the #x5C;Deltav tangentially at apoapsis, all of the #x5C;Deltav will go into changing periapsis, and vice versa.",
"type": "quotation"
},
{
"text": "2004, R. S. Saunders, et al., Mars Odyssey Mission, C. T. Russell (editor), 2001 Mars Odyssey, Kluwer Academic Publishers, page 34,\nThe main aerobraking phase began once the point of the spacecraft's periapsis had been lowered to within 110 km above the Martian surface."
}
],
"glosses": [
"The point of a body's (elliptical) orbit in a 2-body gravitational system such that the distance between the two bodies (measured from their respective centres of mass) is at its minimum."
],
"links": [
[
"astronomy",
"astronomy"
],
[
"astrophysics",
"astrophysics"
],
[
"point",
"point"
],
[
"body",
"body"
],
[
"elliptical",
"elliptical"
],
[
"orbit",
"orbit"
],
[
"system",
"system"
],
[
"distance",
"distance"
],
[
"minimum",
"minimum"
]
],
"raw_glosses": [
"(astronomy, astrophysics) The point of a body's (elliptical) orbit in a 2-body gravitational system such that the distance between the two bodies (measured from their respective centres of mass) is at its minimum."
],
"topics": [
"astronomy",
"astrophysics",
"natural-sciences"
]
},
{
"glosses": [
"The minimum distance between the two bodies in such a system."
],
"links": [
[
"distance",
"distance"
]
]
}
],
"synonyms": [
{
"word": "pericenter"
}
],
"translations": [
{
"code": "nl",
"lang": "Dutch",
"sense": "Translations",
"tags": [
"masculine"
],
"word": "perifocus"
},
{
"code": "nl",
"lang": "Dutch",
"sense": "Translations",
"tags": [
"feminine"
],
"word": "periapsis"
},
{
"code": "fi",
"lang": "Finnish",
"sense": "Translations",
"word": "periapsis"
},
{
"code": "fr",
"lang": "French",
"sense": "Translations",
"word": "périapse"
},
{
"code": "fr",
"lang": "French",
"sense": "Translations",
"tags": [
"masculine"
],
"word": "périapside"
},
{
"code": "el",
"lang": "Greek",
"roman": "períapsi",
"sense": "Translations",
"tags": [
"feminine"
],
"word": "περίαψη"
},
{
"code": "ga",
"lang": "Irish",
"sense": "Translations",
"tags": [
"feminine"
],
"word": "pearaipsis"
},
{
"code": "pt",
"lang": "Portuguese",
"sense": "Translations",
"tags": [
"feminine"
],
"word": "periapside"
}
],
"word": "periapsis"
}
This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-05-15 from the enwiktionary dump dated 2024-05-02 using wiktextract (8203a16 and 304864d). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.
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