Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010iaus..269..189b&link_type=abstract
Galileo's Medicean Moons: their impact on 400 years of discovery, Proceedings of the International Astronomical Union, IAU Sympo
Astronomy and Astrophysics
Astronomy
Kuiper Belt, Planets And Satellites: Fundamental Parameters, Methods: Data Analysis
Scientific paper
By pure coincidence, for the next few years the orbit of the satellite Namaka around the dwarf planet Haumea (formerly 2003 EL61) is nearly edge-on to our line-of-sight. This type of configuration does not last for long, because as Haumea travels around the sun in its 283 year orbit, we continuously see the Haumean system from different angles. It is only edge-on at the angle we see right now, and at the angle it will again be in 141 years - half of a Haumean year from now. In addition to being an interesting coincidence, the fact that the orbit of Namaka is nearly edge-on provides the opportunity to obtain an enormous amount of information about the Haumean system. We present measurements of the timing of these events observed from Laboratrio Nacional de Astrofsica (LNA), partner in an international campaign to observe these events from the most suitable mid-sized telescopes.
Bortoletto Alexandre
Saito Roberto K.
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