• Thumbnail for Lagrange point
    In celestial mechanics, the Lagrange points (/ləˈɡrɑːndʒ/; also Lagrangian points or libration points) are points of equilibrium for small-mass objects...
    50 KB (5,703 words) - 21:56, 7 May 2024
  • Thumbnail for List of objects at Lagrange points
    or are planned to occupy any of the five Lagrange points of two-body systems in space. L1 is the Lagrange point located approximately 1.5 million kilometers...
    37 KB (2,503 words) - 19:19, 24 February 2024
  • spacecraft are also possible around Lagrange points—also referred to as libration points—five equilibrium points that exist in relation to two larger...
    14 KB (1,752 words) - 11:10, 15 November 2023
  • Thumbnail for Near-rectilinear halo orbit
    three-dimensional orbit associated with one of the L1, L2 and L3 Lagrange points. Near-rectilinear means that some segments of the orbit have a greater...
    9 KB (931 words) - 05:13, 29 February 2024
  • Thumbnail for Interplanetary Transport Network
    particular use of Lagrange points as locations where trajectories through space can be redirected using little or no energy. These points have the peculiar...
    17 KB (1,862 words) - 01:45, 28 April 2024
  • In mathematical optimization, the method of Lagrange multipliers is a strategy for finding the local maxima and minima of a function subject to equation...
    50 KB (7,741 words) - 16:49, 20 April 2024
  • Thumbnail for Joseph-Louis Lagrange
    Joseph Louis Lagrange The Lagrange Points Derivation of Lagrange's result (not Lagrange's method) Lagrange's works (in French) Oeuvres de Lagrange, edited...
    47 KB (6,141 words) - 16:46, 20 March 2024
  • Thumbnail for Trojan (celestial body)
    one mass negligible (which Lagrange did not consider), the five possible positions of that mass are now termed Lagrange points. The term "trojan" originally...
    14 KB (1,446 words) - 01:38, 24 January 2024
  • Thumbnail for Halo orbit
    associated with one of the L1, L2 or L3 Lagrange points in the three-body problem of orbital mechanics. Although a Lagrange point is just a point in empty space...
    11 KB (1,104 words) - 16:53, 22 April 2024
  • Thumbnail for Zero-velocity surface
    1023/A:1011919508410. S2CID 122886855. "CRTBP Pseudo-Potential and Lagrange Points". LagrangePointsPub.m. 13 October 2013. "Galaxies and the Universe - Galaxy...
    6 KB (765 words) - 07:14, 11 November 2023
  • self-contained space colonies into stable equilibrium at the L4 or L5 Lagrange points, which had been advocated by Gerard O'Neill. The song's lyrics satirize...
    3 KB (331 words) - 18:19, 9 September 2022
  • Thumbnail for Lagrange point colonization
    Lagrange point colonization is a proposed form of space colonization of the five equilibrium points in the orbit of a planet or its primary moon, called...
    4 KB (314 words) - 22:46, 1 June 2023
  • Joseph-Louis Lagrange was an Italian mathematician, physicist and astronomer. Lagrange or La Grange may also refer to: Lagrange (surname), list of people...
    3 KB (342 words) - 01:09, 25 January 2024
  • Thumbnail for Hill sphere
    the one at right, the Earth's Hill sphere, which extends between the Lagrange points L1 and L2,[clarification needed] which lie along the line of centers...
    26 KB (2,934 words) - 23:08, 7 May 2024
  • a moon that is highly stable because of its interactions with two Lagrange points (L1 and L2) of the planet–moon system. In more general terms, an object...
    10 KB (960 words) - 08:11, 8 February 2024
  • Thumbnail for Lunar orbit
    Earth-Moon Lagrange points are options for stable lunar orbits, as with distant retrograde orbits, using two oppositional Lagrange points (L1 and L2)...
    16 KB (1,730 words) - 18:59, 18 April 2024
  • Thumbnail for International Cometary Explorer
    International Cometary Explorer (category Artificial satellites at Earth-Sun Lagrange points)
    the first spacecraft to be placed in a halo orbit at the L1 Earth-Sun Lagrange point. Renamed ICE, it became the first spacecraft to visit a comet, passing...
    31 KB (3,249 words) - 14:00, 1 May 2024
  • Thumbnail for Lagrange polynomial
    In numerical analysis, the Lagrange interpolating polynomial is the unique polynomial of lowest degree that interpolates a given set of data. Given a data...
    22 KB (3,990 words) - 01:00, 13 April 2024
  • Thumbnail for James Webb Space Telescope
    James Webb Space Telescope (category Artificial satellites at Earth-Sun Lagrange points)
    2022 it arrived at its destination, a solar orbit near the Sun–Earth L2 Lagrange point, about 1.5 million kilometers (930,000 mi) from Earth. The telescope's...
    210 KB (19,485 words) - 00:18, 14 May 2024
  • Thumbnail for Joint Dark Energy Mission
    Joint Dark Energy Mission (category Artificial satellites at Earth-Sun Lagrange points)
    a 144-megapixel HgCdTe focal plane array, located at the Sun-Earth L2 Lagrange point. The expected cost is around US$1.6 billion. The Dark Energy Space...
    7 KB (888 words) - 21:59, 11 July 2023
  • Thumbnail for Space colonization
    ten years. Another near-Earth possibility are the stable Earth–Moon Lagrange points L4 and L5, at which point a space colony can float indefinitely. The...
    168 KB (18,451 words) - 07:26, 14 May 2024
  • mechanics, the Euler–Lagrange equations are a system of second-order ordinary differential equations whose solutions are stationary points of the given action...
    24 KB (4,831 words) - 16:34, 13 May 2024
  • Thumbnail for Jupiter trojan
    Relative to Jupiter, each trojan librates around one of Jupiter's stable Lagrange points: either L4, existing 60° ahead of the planet in its orbit, or L5, 60°...
    39 KB (4,468 words) - 03:24, 28 February 2024
  • Thumbnail for Earth's orbit
    December 21, 22, or 23. Mathematicians and astronomers (such as Laplace, Lagrange, Gauss, Poincaré, Kolmogorov, Vladimir Arnold, and Jürgen Moser) have searched...
    17 KB (1,834 words) - 05:28, 17 March 2024
  • Thumbnail for Spektr-RG
    Spektr-RG (category Artificial satellites at Earth-Sun Lagrange points)
    Spektr-RG (Russian: Спектр-РГ, Spectrum + Röntgen + Gamma; also called Spectrum-X-Gamma, SRG, SXG) is a Russian–German high-energy astrophysics space observatory...
    16 KB (982 words) - 13:32, 17 April 2024
  • Javascript Simulation of our Solar System The Lagrange Points – with links to the original papers of Euler and Lagrange, and to translations, with discussion...
    66 KB (8,605 words) - 09:20, 22 April 2024
  • Thumbnail for Deep Space Climate Observatory
    Deep Space Climate Observatory (category Artificial satellites at Earth-Sun Lagrange points)
    reached L1 on 8 June 2015, joining the list of objects orbiting at Lagrange points. NOAA operates DSCOVR from its Satellite and Product Operations Facility...
    33 KB (3,201 words) - 20:48, 10 May 2024
  • Thumbnail for Herschel Space Observatory
    Herschel Space Observatory (category Artificial satellites at Earth-Sun Lagrange points)
    The Herschel Space Observatory was a space observatory built and operated by the European Space Agency (ESA). It was active from 2009 to 2013, and was...
    40 KB (3,731 words) - 21:10, 13 May 2024
  • Thumbnail for Three-body problem
    primaries, become points referred to as L1, L2, L3, L4, and L5, and called Lagrangian points, with L4 and L5 being symmetric instances of Lagrange's solution....
    43 KB (5,454 words) - 09:08, 13 May 2024
  • Thumbnail for List of orbits
    orbits around a Lagrangian point. Lagrange points are shown in the adjacent diagram, and orbits near these points allow a spacecraft to stay in constant...
    31 KB (3,471 words) - 19:19, 24 February 2024