See halo orbit in All languages combined, or Wiktionary
{
"etymology_text": "First used by NASA mission specialist Robert W. Farquhar in 1966 for calculated orbits around the Earth-Moon L₂ point which required the use of thrusters to be made periodic.",
"forms": [
{
"form": "halo orbits",
"tags": [
"plural"
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"expansion": "halo orbit (plural halo orbits)",
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"lang": "English",
"lang_code": "en",
"pos": "noun",
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{
"kind": "topical",
"langcode": "en",
"name": "Lagrange points",
"orig": "en:Lagrange points",
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"name": "Orbits",
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"derived": [
{
"alt": "= quasi-periodic halo orbit",
"word": "quasi-halo orbit"
}
],
"examples": [
{
"ref": "2001, G. Gómez, À. Jorba, J. Masdemont, C.Simó, Dynamics and Mission Design Near Libration Points, Volume III, World Scientific, page 93:",
"text": "Due to the strong hyperbolic character of the halo orbits, the stable manifold approaches the halo orbit in a very fast way. This fact means that if we are able to put the satellite in the stable manifold of a halo orbit, it will be close to the halo orbit (say at [a] few km) in a reasonable period of time.",
"type": "quote"
},
{
"text": "2013, Yuhui Zhao, Shoucun Hu, Xiyun Hou, Lin Liu, Chapter 39: On Nominal Formation Flying Orbit with a Small Solar System Body, Rongjun Shen, Weiping Qian (editors), Proceedings of the 26th Conference of Spacecraft TT&C Technology in China, Tsinghua University Press, Springer, Lecture Notes in Electrical Engineering 187, page 395,\nIf the ratio of the amplitude in x-direction to γ₁ keeps unchanged (=0.155), the periods of halo orbits are almost the same (about 190 days). As a result of the stability of CRTBP and the dynamics of halo orbit formation, nominal halo orbits do not exist if the ratio is too large or too small."
},
{
"ref": "2013, Daniel García Yárnoz, Joan-Pau Sanchez, Colin R. McInnes, “Chapter 21: Opportunities for Asteroid Retrieval Missions”, in Viorel Badescu, editor, Asteroids: Prospective Energy and Material Resources, Springer, page 486:",
"text": "Thus, the minimum possible size for halo orbits in the Sun-Earth system is approximately (240 x 660) 10³ km at L₁ and (250 x 675) 10³ km at L₂, sizes denoting the maximum excursion from the libration point in the x and y directions respectively.",
"type": "quote"
}
],
"glosses": [
"A periodic, three-dimensional orbit about any one of the Lagrange points L₁, L₂ or L₃ of a two-body gravitational system."
],
"id": "en-halo_orbit-en-noun-HH53rbcG",
"links": [
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[
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"orbit",
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"Lagrange point"
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"qualifier": "orbital mechanics",
"raw_glosses": [
"(orbital mechanics) A periodic, three-dimensional orbit about any one of the Lagrange points L₁, L₂ or L₃ of a two-body gravitational system."
],
"related": [
{
"word": "Lissajous orbit"
},
{
"word": "Lyapunov orbit"
}
],
"translations": [
{
"code": "fr",
"lang": "French",
"sense": "type of orbit about a Lagrange point",
"tags": [
"feminine"
],
"word": "orbite de halo"
},
{
"code": "de",
"lang": "German",
"sense": "type of orbit about a Lagrange point",
"tags": [
"masculine"
],
"word": "Halo-Orbit"
},
{
"code": "it",
"lang": "Italian",
"sense": "type of orbit about a Lagrange point",
"tags": [
"feminine"
],
"word": "orbita halo"
}
],
"wikipedia": [
"Robert W. Farquhar",
"halo orbit"
]
}
],
"word": "halo orbit"
}
{
"derived": [
{
"alt": "= quasi-periodic halo orbit",
"word": "quasi-halo orbit"
}
],
"etymology_text": "First used by NASA mission specialist Robert W. Farquhar in 1966 for calculated orbits around the Earth-Moon L₂ point which required the use of thrusters to be made periodic.",
"forms": [
{
"form": "halo orbits",
"tags": [
"plural"
]
}
],
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"expansion": "halo orbit (plural halo orbits)",
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{
"ref": "2001, G. Gómez, À. Jorba, J. Masdemont, C.Simó, Dynamics and Mission Design Near Libration Points, Volume III, World Scientific, page 93:",
"text": "Due to the strong hyperbolic character of the halo orbits, the stable manifold approaches the halo orbit in a very fast way. This fact means that if we are able to put the satellite in the stable manifold of a halo orbit, it will be close to the halo orbit (say at [a] few km) in a reasonable period of time.",
"type": "quote"
},
{
"text": "2013, Yuhui Zhao, Shoucun Hu, Xiyun Hou, Lin Liu, Chapter 39: On Nominal Formation Flying Orbit with a Small Solar System Body, Rongjun Shen, Weiping Qian (editors), Proceedings of the 26th Conference of Spacecraft TT&C Technology in China, Tsinghua University Press, Springer, Lecture Notes in Electrical Engineering 187, page 395,\nIf the ratio of the amplitude in x-direction to γ₁ keeps unchanged (=0.155), the periods of halo orbits are almost the same (about 190 days). As a result of the stability of CRTBP and the dynamics of halo orbit formation, nominal halo orbits do not exist if the ratio is too large or too small."
},
{
"ref": "2013, Daniel García Yárnoz, Joan-Pau Sanchez, Colin R. McInnes, “Chapter 21: Opportunities for Asteroid Retrieval Missions”, in Viorel Badescu, editor, Asteroids: Prospective Energy and Material Resources, Springer, page 486:",
"text": "Thus, the minimum possible size for halo orbits in the Sun-Earth system is approximately (240 x 660) 10³ km at L₁ and (250 x 675) 10³ km at L₂, sizes denoting the maximum excursion from the libration point in the x and y directions respectively.",
"type": "quote"
}
],
"glosses": [
"A periodic, three-dimensional orbit about any one of the Lagrange points L₁, L₂ or L₃ of a two-body gravitational system."
],
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"(orbital mechanics) A periodic, three-dimensional orbit about any one of the Lagrange points L₁, L₂ or L₃ of a two-body gravitational system."
],
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"Robert W. Farquhar",
"halo orbit"
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"translations": [
{
"code": "fr",
"lang": "French",
"sense": "type of orbit about a Lagrange point",
"tags": [
"feminine"
],
"word": "orbite de halo"
},
{
"code": "de",
"lang": "German",
"sense": "type of orbit about a Lagrange point",
"tags": [
"masculine"
],
"word": "Halo-Orbit"
},
{
"code": "it",
"lang": "Italian",
"sense": "type of orbit about a Lagrange point",
"tags": [
"feminine"
],
"word": "orbita halo"
}
],
"word": "halo orbit"
}
Download raw JSONL data for halo orbit meaning in English (3.5kB)
This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-12-15 from the enwiktionary dump dated 2024-12-04 using wiktextract (8a39820 and 4401a4c). 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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