The Trans-Neptunian Object (84922) 2003 VS2 through Stellar Occultations
- Benedetti Rossi, Gustavo
- Santos Sanz, P.
- Ortiz, J. L.
- Assafin, M.
- Sicardy, B.
- Morales, N.
- Vieira Martins, R.
- Duffard, R.
- Braga Ribas, F.
- Rommel, F. L.
- Camargo, J. I. B.
- Desmars, J.
- Colas, A. F.
- Vachier, F.
- Alvarez Candal, A.
- Fernández Valenzuela, E.
- Almenares, L.
- Artola, R.
- Baum, T. P.
- Behrend, R.
- Bérard, D.
- Bianco, F. B.
- Brosch, N.
- Ceretta, A.
- Colazo, C. A.
- Gomes Junior, A. R.
- Ivanov, V. D.
- Jehin, E.
- Kaspi, S.
- Gil Hutton, Ricardo Alfredo
DOIAbstract
We present results from three world-wide campaigns that resulted in the detections of two single-chord and one multi-chord stellar occultations by the plutino object (84922) 2003 VS2. From the single-chord occultations in 2013 and 2014 we obtained accurate astrometric positions for the object, while from the multi-chord occultation on 2014 November 7, we obtained the parameters of the best-fitting ellipse to the limb of the body at the time of occultation. We also obtained short-term photometry data for the body in order to derive its rotational phase during the occultation. The rotational light curve present a peak-to-peak amplitude of 0.141 ± 0.009 mag. This allows us to reconstruct the 3D shape of the body, with principal semi-axes of a ...
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