* 1993 RO, the next plutino discovered after Pluto<ref>http://www.answers.com/topic/trans-neptunian-object</ref>
* 1993 RO, the next plutino discovered after Pluto<ref>http://www.answers.com/topic/trans-neptunian-object</ref>
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The [[New Horizons mission|New Horizons]] rocket probe, now on its way to [[Pluto]], will be the first rocket probe to study a Trans-Neptunian object. Mission planners hope to steer the probe to study at least two other Kuiper belt objects in addition to Pluto.
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The [[New Horizons mission|New Horizons]] rocket probe, passed through the Plutonian system in June of 2015. It thus became the first rocket probe to study a Trans-Neptunian object. Mission planners hope to steer the probe to study at least two other Kuiper belt objects in addition to Pluto.