Limtoc

A false-color image of Limtoc within the Stickney crater, as seen by the Mars Reconnaissance Orbiter on 23 March 2008

Limtoc is a crater on the surface of Mars's inner moon Phobos.[1] The crater, the diameter of which is 2 kilometers, is located within the larger, and better-known surface feature, Stickney crater.[1] Limtoc was officially named by the International Astronomical Union on 29 November 2006, after a character from Jonathan Swift’s satire Gulliver's Travels.[1]

Limtoc formed roughly 109 million years ago, making it one of the youngest features on Phobos.[2] When the Limtoc impactor collided with Phobos, it created a significant amount of ejecta; ejecta which was sent towards the northern edge of Stickney collided with that crater's rim, while ejecta sent towards the southern edge was largely catapulted out of Stickney altogether.[3] This ejecta has partially contributed to the formation of the blue spectral coloration seen on the south-western edge of the Stickney crater, along with the ejecta from Stickney itself.[2]

## References

1. ↑ 1.0 1.1 1.2 "Planetary Names: Crater, craters: Limtoc on Phobos". International Astronomical Union. https://planetarynames.wr.usgs.gov/Feature/14262. Retrieved 8 January 2021.
2. ↑ 2.0 2.1 Kikuchi, Hiroshi (January 15, 2021). "Simulating re-impacts from craters at the deepest location of Phobos to generate its blue spectral units". Icarus (Elsevier) 354: 113997. doi:10.1016/j.icarus.2020.113997. Bibcode: 2021Icar..35413997K. https://www.sciencedirect.com/science/article/abs/pii/S0019103520303626. Retrieved August 5, 2022.
3. ↑ Kikuchi, Hiroshi (2018). "Ejecta Emplacements of Limtoc Impact on Phobos". 49th Lunar and Planetary Science Conference (Lunar and Planetary Institute & Johnson Space Center) (2083): 2. Bibcode: 2018LPI....49.1898K. https://www.hou.usra.edu/meetings/lpsc2018/pdf/1898.pdf. Retrieved 30 August 2022.

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