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2014 FE72

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2014 FE72

2014 FE72 is a trans-Neptunian object first observed on 26 March 2014, at Cerro Tololo Inter-American Observatory in La Serena, Chile. It is a member of the scattered disc, whose orbit extends into the inner Oort cloud. Discovered by Scott Sheppard and Chad Trujillo, the object's existence was revealed on 29 August 2016. Both the orbital period and aphelion distance of this object are well constrained. 2014 FE72 had the largest barycentric aphelion until 2018. However, the heliocentric aphelion of 2014 FE72 is second among trans-Neptunian objects (after the damocloid 2017 MB7). As of 2023, it is about 66 AU (9.9 billion km) from the Sun.

Using the Solar System Barycenter as the orbital frame of reference, 2014 FE72's extremely elongated orbit (eccentricity = 0.98) has a perihelion of 36.1 AU, an aphelion of ~4,050 AU and a barycentric orbital period of ~92,400 years. The latter values are the largest known for any Solar System body that is not a long-period comet. Based on the barycentric orbital period, 2014 FE72 takes roughly 5 times longer than Sedna to orbit the Sun.

2014 FE72 last passed through perihelion around late 1965.

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