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Sun · 1999 UJ7 · Mars Animation of 2007 NS2 relative to Sun and Mars 1600-2500 Sun · 2007 NS2 · Mars. The Mars trojans are a group of trojan objects that share the orbit of the planet Mars around the Sun. They can be found around the two Lagrangian points 60° ahead of and behind Mars. The origin of the Mars trojans is not well understood.
5261 Eureka is the first Mars trojan discovered. [5] It was discovered by David H. Levy and Henry Holt at Palomar Observatory on 20 June 1990. [1] It trails Mars (at the L 5 point) at a distance varying by only 0.3 AU during each revolution (with a secular trend superimposed, changing the distance from 1.5–1.8 AU around 1850 to 1.3–1.6 AU around 2400).
It was identified as Mars trojan by H. Scholl, F. Marzari and P. Tricarico in 2005 and its dynamical half-lifetime was found to be of the order of the age of the Solar System. [2] Recent calculations [ 3 ] confirm that it is indeed a stable L 5 Mars trojan with a libration period of 1365 yr and an amplitude of 11°.
It was confirmed to be a Mars Trojan numerically in 2012. [10] Recent calculations confirm that it is a stable L 5 Mars Trojan asteroid with a libration period of 1310 years and an amplitude of 14°. [11] [12] These values as well as its short-term orbital evolution are similar to those of 5261 Eureka. Out of all known Mars Trojans, it ...
NASA has blasted a spacecraft, traveling at speeds up to 92,000 mph, to the most mysterious asteroids in our solar system.Called the Trojan asteroids, they are trapped in two swarms — one in ...
(121514) 1999 UJ 7 is a small asteroid orbiting near the L 4 point of Mars (60 degrees ahead Mars on its orbit). [2] As of April 2024, it is one of only two known asteroids to orbit the leading L 4 point of Mars — the other being 2023 FW 14 [4] — although at least 15 other asteroids orbit Mars's trailing L 5 point: The largest being 5261 Eureka, (101429) 1998 VF 31, and 2007 NS 2. [2]
Recent calculations [2] [3] indicate that it is a stable L 5 Mars trojan asteroid with a libration period of 1350 yr and an amplitude of 14°. These values as well as its short-term orbital evolution are similar to those of 5261 Eureka or 2011 SC 191 .
2011 UB 256 is a small asteroid and Mars trojan orbiting near the L 5 point of Mars (60 degrees behind Mars on its orbit). [2] [3] [4] Discovery, orbit and physical ...