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This is a list of most likely gravitationally rounded objects (GRO) of the Solar System, which are objects that have a rounded, ellipsoidal shape due to their own gravity (but are not necessarily in hydrostatic equilibrium). Apart from the Sun itself, these objects qualify as planets according to common geophysical definitions of that term.
Parts-per-million chart of the relative mass distribution of the Solar System, each cubelet denoting 2 × 10 24 kg. This article includes a list of the most massive known objects of the Solar System and partial lists of smaller objects by observed mean radius. These lists can be sorted according to an object's radius and mass and, for the most ...
The surface gravity, g, of an astronomical object is the gravitational acceleration experienced at its surface at the equator, including the effects of rotation. The surface gravity may be thought of as the acceleration due to gravity experienced by a hypothetical test particle which is very close to the object's surface and which, in order not to disturb the system, has negligible mass.
The Solar System [d] is the gravitationally bound system of the Sun and the objects that orbit it. [11] ... the thermal pressure counterbalancing the force of gravity.
For several objects in the Solar System, the value of μ is known to greater accuracy than either G or M. The SI unit of the standard gravitational parameter is m 3 ⋅s −2. However, the unit km 3 ⋅s −2 is frequently used in the scientific literature and in spacecraft navigation.
Average surface gravity; Lowest Highest Lowest Highest Lowest Highest Star: 1.4 g/cm 3. Sun [7 ... "Appendix 2: Solar System Extrema" by Bill Arnett, 2007 (accessed ...
Jupiter has been called the Solar System's vacuum cleaner [217] because of its immense gravity well and location near the inner Solar System. There are more impacts on Jupiter, such as comets, than on any other planet in the Solar System. [218] For example, Jupiter experiences about 200 times more asteroid and comet impacts than Earth. [66]
Piazzi's discovery of Ceres, described in his book the discovery a new planet Ceres Ferdinandea, demonstrated the utility of the Gaussian gravitation constant in predicting the positions of objects within the Solar System. The Gaussian gravitational constant (symbol k) is a parameter used in the orbital mechanics of the Solar System.