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AsteriaStar
Minor-planet group

Scattered Disc

Distant icy bodies on highly eccentric, inclined orbits scattered by Neptune.

Minor-planet groupRegion: beyond ≈ 30 AU

Overview

A sparse population of distant icy bodies on eccentric, inclined orbits, gravitationally scattered outward by Neptune — the likely source of many short-period comets.

Members

1 modelled member.

  • The most massive known dwarf planet, a scattered-disc object whose discovery prompted the 2006 redefinition of 'planet'.

    CategoryTrans-NeptunianDiscovered2005

Knowledge connections

Sources

The primary and reference sources this topic draws on.

  • NASANational Aeronautics and Space Administration

    Mission data, planetary science, space telescopes, and public-domain imagery.

    Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.

  • NASA JPLJet Propulsion Laboratory / Solar System Dynamics

    Orbital data, ephemerides, and small-body parameters for planets, asteroids, and comets.