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The number of dwarf planets in the Solar System is unknown. Estimates have run as high as 200 in the Kuiper belt [1] and over 10,000 in the region beyond. [2] However, consideration of the surprisingly low densities of many large trans-Neptunian objects, as well as spectroscopic analysis of their surfaces, suggests that the number of dwarf planets may be much lower, perhaps only nine among ...
The concept of human exploration of dwarf planets has intrigued scientists since Pluto's discovery in 1930. Despite the vast distances and significant challenges, advancements in space technology could make such endeavors possible. Colonizing dwarf planets offers potential economic benefits due to the presence of rare and valuable ores. [23]
2014 UZ 224 is a trans-Neptunian object and possible dwarf planet orbiting in the scattered disc of the outermost Solar System. As of 2021, it is approximately 89.7 AU (13.42 billion km) from the Sun, and will slowly decrease in distance until it reaches its perihelion of 38 AU in 2142.
Brown estimated, prior to the discovery of its satellite, that 2013 FY 27 was very likely to be a dwarf planet, due to its large size. [10] However, Grundy et al. calculate that bodies such as 2013 FY 27 , less than about 1000 km in diameter, with albedos less than ≈0.2 and densities of ≈1.2 g/cm 3 or less, may retain a degree of porosity ...
Backyard Worlds: Planet 9 is a NASA-funded citizen science project which is part of the Zooniverse web portal. [1] It aims to discover new brown dwarfs, faint objects that are less massive than stars, some of which might be among the nearest neighbors of the Solar System, and might conceivably detect the hypothesized Planet Nine.
The planet KMT-2020-BLG-0414Lb is close in mass to Earth and is one of the least massive exoplanets detected by microlensing. [2] It is about twice as far from its star as Earth is from the Sun. The second companion, KMT-2020-BLG-0414Lc, is a brown dwarf about 30 times the mass of Jupiter .
Planet c is possibly a potentially habitable Super-Earth but is probably too hot or massive. [55] [56] Mu Arae: Ara: 17 h 44 m 08.70 s: −51° 50′ 02.6″ 5.15: 51: G3IV-V: 1.077: 5704: 6.413: 4: Planet Quijote orbits in the circumstellar habitable zone. However, it is a gas giant, so it itself is uninhabitable although a large moon orbiting ...
If the brown dwarf/planet limit is defined by mass regime using the deuterium burning limit as the delimiter (i.e. 13 M J), CoRoT-3b is a brown dwarf. [206] If formation is the criterion, CoRoT-3b may be a planet given that some models of planet formation predict that planets with masses up to 25–30 Jupiter masses can form via core accretion ...