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[1] [4] 2015 GT 50 may be in one of these circulating orbits. [14] If this model is modified with Planet Nine and the eTNOs in inclined orbits the objects alternate between extended periods in stable resonances and periods of chaotic diffusion of their semi-major axes.
[1] [2] The orbits of ETNOs are much less affected by the known giant planets than all other known trans-Neptunian objects. They may, however, be influenced by gravitational interactions with a hypothetical Planet Nine , shepherding these objects into similar types of orbits. [ 1 ]
Planet Nine is a hypothetical ninth planet in the outer region of the Solar System. [4] [2] Its gravitational effects could explain the peculiar clustering of orbits for a group of extreme trans-Neptunian objects (ETNOs), bodies beyond Neptune that orbit the Sun at distances averaging more than 250 times that of the Earth i.e. over 250 astronomical units (AU).
Planet X and another object dubbed "Planet Y," are among 13 "extreme trans-Neptunian objects" (ETNOs) orbiting the sun at great distances, according to a report in Space, which quoted a new ...
The number of known planets in our solar system has risen and fallen over time. Planet nine may be orbiting far from the Sun, at the edge of our solar system. Astronomers, seeing odd ...
This list includes all numbered trans-Neptunian objects with a semi-major axis greater than 30.1 astronomical units (AU), Neptune's average orbital distance from the Sun. The data is sourced from MPC's "List of Trans Neptunian Objects" and "List Of Centaurs and Scattered-Disk Objects", in addition to MPC's "List of Neptune Trojans", completed with remarks and information from Johnston's ...
Carlos de la Fuente Marcos and Ralph de la Fuente Marcos have calculated that some of the statistically significant commensurabilities are compatible with the Planet Nine hypothesis; in particular, a number of objects [a] which are called extreme trans-Neptunian object (ETNOs) [29] may be trapped in the 5:3 and 3:1 mean-motion resonances with a ...
−1.9: 0.1-2 infrared excess 2024 planet candidate has a temperature of 248 +84 −61 K [27] HS 0209+0832: metal-polluted single candidate detection of accreted planet material via spectroscopy 2024 metals in agreement with giant planet (similar to WD J0914+1914), period of 4.4 days from TESS, first and currently only white dwarf with ...