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2018 VM35

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2018 VM35
Orbit of 2018 VM25 with other extreme trans-Neptunian objects
Designations
2018 VM35
TNO
Orbital characteristics [2]
Epoch 27 April 2019 (JD 2458600.5)
Uncertainty parameter 7
Observation arc89 days
Aphelion426.59 ± 540 AU
Perihelion45.348 ± 5.6 AU
235.97 ± 300 AU
Eccentricity0.8078 ± 0.3
3624.80 ± 6900 yr
356.17°
0° 0m 1.08s / day
Inclination8.4875 ± 0.04°
192.53°
301.94°
Physical characteristics
25.2 (opposition)
7.7[2]

2018 VM35, is a trans-Neptunian object. With a perihelion distance greater than 40 AU, it is considered a detached object. At its discovery it is only the 10th object known with a perihelion over 45 AU and semimajor axis over 150 AU.[3] It is currently 55 AU (8.2 billion km) from the Sun and thus moves slowly across the sky. With a short 89 day observation arc, the orbital parameters are poorly constrained.

Orbit and classification

2018 VM35 orbits the Sun at a distance of about 45.3–426.6 AU once every 3625 years with a semi-major axis of 236 AU. Its orbit has an eccentricity of 0.8 and an inclination of 8.5° with respect to the ecliptic.[2] As with any slow moving object beyond the orbit of Neptune, an observation arc of several years is required to constrain the orbital parameters.

It is predicted to reach perihelion (closest approach to the Sun) around 2057 coming to opposition in February 2058, while only reaching magnitude 24.3.


See also

References

  1. ^ "2018 VM35". Minor Planet Center. Retrieved 22 February 2019.
  2. ^ a b c "JPL Small-Body Database Browser: (2018 VM35)" (2019-02-03 last obs.). Jet Propulsion Laboratory. Retrieved 22 February 2019.
  3. ^ https://minorplanetcenter.net//db_search/show_by_properties?perihelion_distance_min=45&semimajor_axis_min=150
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