Samiksha Jaiswal (Editor)

(60621) 2000 FE8

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Discovery date  27 March 2000
Alternative names  2000 FE8
Observation arc  2485 days (6.80 yr)
Absolute magnitude  6.9
Asteroid group  Neptune trojan
MPC designation  (60621) 2000 FE8
Minor planet category  SDO · TNO
Discovered  27 March 2000
Discovery site  Mauna Kea Observatories
(60621) 2000 FE8
Discovered by  J. Kavelaars B. Gladman J.-M. Petit M. Holman
Discoverers  Jean-Marc Petit, John J. Kavelaars, Brett J. Gladman, Matthew J. Holman
Similar  Brett J Gladman discoveries, Other celestial objects

(60621) 2000 FE8 is a scattered-disk object that resides in a distant, eccentric orbit that brings it 1.1 to 2.6 times farther than Neptune. This object is locked in a 2:5 orbital resonance with Neptune. It is known to have a single moon, S/2007 (60621) 1.

Contents

Orbit

2000 FE8 has an extremely eccentric which crosses the paths of many other trans-Neptunian objects, including almost all of the dwarf planets and dwarf planet candidates. As a result, its position alternates between the Kuiper Belt and the Scattered disk.

Resonance with Neptune

2000 FE8 is part of a group of trans-Neptunian objects that orbit in a 2:5 resonance with Neptune. That means that for every five orbits that Neptune completes, 2000 FE8 makes only two. Several other objects are in the same orbital resonance, the largest of which is (84522) 2002 TC302.

Moon

Like many objects of the Kuiper Belt and Scattered Disk, 2000 FE8 has a moon. This moon, S/2007 (60621) 1, was discovered by the Hubble Space Telescope seven years after 200 FE8 itself was found. The moon orbits at 1180 kilometres away from 2000 FE8, completing one orbit every week. It is thought to be 115 km in diameter, just 75.7% the diameter of 2000 FE8 itself. From the surface of 2000 FE8, S/2007 (60621) 1 would have an apparent diameter of roughly 6°, twelve times larger than the Sun appears from Earth.

References

(60621) 2000 FE8 Wikipedia


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