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  2. Universal variable formulation - Wikipedia

    en.wikipedia.org/wiki/Universal_variable_formulation

    In orbital mechanics, the universal variable formulation is a method used to solve the two-body Kepler problem.It is a generalized form of Kepler's Equation, extending it to apply not only to elliptic orbits, but also parabolic and hyperbolic orbits common for spacecraft departing from a planetary orbit.

  3. Orbit equation - Wikipedia

    en.wikipedia.org/wiki/Orbit_equation

    In astrodynamics, an orbit equation defines the path of orbiting body around central body relative to , without specifying position as a function of time.Under standard assumptions, a body moving under the influence of a force, directed to a central body, with a magnitude inversely proportional to the square of the distance (such as gravity), has an orbit that is a conic section (i.e. circular ...

  4. Kepler's equation - Wikipedia

    en.wikipedia.org/wiki/Kepler's_equation

    In orbital mechanics, Kepler's equation relates various geometric properties of the orbit of a body subject to a central force.. It was derived by Johannes Kepler in 1609 in Chapter 60 of his Astronomia nova, [1] [2] and in book V of his Epitome of Copernican Astronomy (1621) Kepler proposed an iterative solution to the equation.

  5. Two-body problem in general relativity - Wikipedia

    en.wikipedia.org/wiki/Two-body_problem_in...

    In the normal Euclidean geometry, triangles obey the Pythagorean theorem, which states that the square distance ds 2 between two points in space is the sum of the squares of its perpendicular components = + + where dx, dy and dz represent the infinitesimal differences between the x, y and z coordinates of two points in a Cartesian coordinate ...

  6. Orbital mechanics - Wikipedia

    en.wikipedia.org/wiki/Orbital_mechanics

    The quantity is often termed the standard gravitational parameter, which has a different value for every planet or moon in the Solar System. Once the circular orbital velocity is known, the escape velocity is easily found by multiplying by 2 {\displaystyle {\sqrt {2}}} :

  7. Astronomers surprised to find planet 'too massive for its star'

    www.aol.com/news/astronomers-surprised-planet...

    The planet, called LHS 3154 b, orbits at about 2.3% of Earth's orbital distance from the sun, circling its star every 3.7 days. It is much closer even than our solar system's innermost planet ...

  8. Kepler's laws of planetary motion - Wikipedia

    en.wikipedia.org/wiki/Kepler's_laws_of_planetary...

    The function θ = f(M) is, however, not elementary. [33] Kepler's solution is to use =, x as seen from the centre, the eccentric anomaly as an intermediate variable, and first compute E as a function of M by solving Kepler's equation below, and then compute the true anomaly θ from the eccentric anomaly E. Here are the details.

  9. Boeing-made satellite explodes in space after experiencing ...

    www.aol.com/boeing-made-satellite-explodes-space...

    The U.S. Space Force is tracking debris in space after a satellite manufactured by Boeing exploded earlier this week, the satellite's operator said.. The Intelsat 33e satellite, which was launched ...