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news Astronomy Evidence status: Peer reviewed · New observations

Rubin Observatory finds two new stable Neptune Trojans in the trailing L5 cloud

Rubin Observatory found two Neptune Trojans trailing the planet whose simulated orbits stay stable for 1 billion years, doubling the known L5 set to four.

What it does not show "Long-term stable" is a simulation result from today's orbit fits, and the sample is only four objects; Rubin's detection efficiency is unpublished, so no population estimate was made.

By Murad Ali Khan 12 min read
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