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2023 FW14
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2023 FW14
2023 FW14 is a small asteroid orbiting near the L4 point of Mars (60 degrees ahead of Mars on its orbit). As of March 2024, it is the second known asteroid to orbit the leading L4 point of Mars together with (121514) 1999 UJ7, although at least 15 other asteroids orbit Mars's trailing L5 point, including 5261 Eureka, (101429) 1998 VF31, and (311999) 2007 NS2. Not only does 2023 FW14 orbit on the other side of Mars from other similar asteroids, its spectrum is different as well, but close to that of (121514) 1999 UJ7.
2023 FW14 orbits around the L4 point of Mars in a somewhat stable orbit and it may be affected by the Yarkovsky effect. It is far less stable than 1999 UJ7. Its initial orbit was eventually improved when precovery images were found. Its current orbit is of the Amor type. Its orbital evolution into the past strongly suggests that it cannot be a primordial trojan like Eureka.
Its spectrum suggests that it is an X-type asteroid, which is different from 5261 Eureka and 1998 VF31 but compatible with that of 1999 UJ7, and this is somewhat puzzling since different mineral compositions suggest different origins for the two groups of asteroids. Asteroid 2023 FW14 might have been captured from the Mars-crossing near-Earth asteroid population; alternatively, it might be a fragment of 1999 UJ7 produced in situ nearly 1 Myr ago.
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2023 FW14 AI simulator
(@2023 FW14_simulator)
2023 FW14
2023 FW14 is a small asteroid orbiting near the L4 point of Mars (60 degrees ahead of Mars on its orbit). As of March 2024, it is the second known asteroid to orbit the leading L4 point of Mars together with (121514) 1999 UJ7, although at least 15 other asteroids orbit Mars's trailing L5 point, including 5261 Eureka, (101429) 1998 VF31, and (311999) 2007 NS2. Not only does 2023 FW14 orbit on the other side of Mars from other similar asteroids, its spectrum is different as well, but close to that of (121514) 1999 UJ7.
2023 FW14 orbits around the L4 point of Mars in a somewhat stable orbit and it may be affected by the Yarkovsky effect. It is far less stable than 1999 UJ7. Its initial orbit was eventually improved when precovery images were found. Its current orbit is of the Amor type. Its orbital evolution into the past strongly suggests that it cannot be a primordial trojan like Eureka.
Its spectrum suggests that it is an X-type asteroid, which is different from 5261 Eureka and 1998 VF31 but compatible with that of 1999 UJ7, and this is somewhat puzzling since different mineral compositions suggest different origins for the two groups of asteroids. Asteroid 2023 FW14 might have been captured from the Mars-crossing near-Earth asteroid population; alternatively, it might be a fragment of 1999 UJ7 produced in situ nearly 1 Myr ago.
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