通过多次恒星掩星揭示的海王星外天体(119951) 2002 KX14
地球与行星天体物理
2026-03-05 v3
摘要
(119951) 2002 KX14是一个大型经典海王星外天体，此前观测有限，其物理性质存在未解问题。2020年至2023年间，观测到五次由2002 KX14引起的恒星掩星事件，涉及欧洲和美洲多个地点的多台望远镜。五次掩星共产生15条正切弦，精确测量了2002 KX14的形状和大小。投影椭圆的半长轴和半短轴分别为 km和 km，对应的平均面积等效直径为 km。几何反照率估计为。
引用
@article{arxiv.2503.19179,
title = {The trans-Neptunian object (119951) 2002 KX14 revealed via multiple stellar occultations},
author = {J. L. Rizos and J. L. Ortiz and F. L. Rommel and B. Sicardy and N. Morales and P. Santos-Sanz and E. Fernández-Valenzuela and J. Desmars and D. Souami and M. Kretlow and A. Alvarez-Candal and J. M. Gómez-Limón and R. Duffard and Y. Kilic and R. Morales and B. J. Holler and M. Vara-Lubiano and A. Marciniak and V. Kashuba and N. Koshkin and S. Kashuba and A. Pal and G. M. Szabó and A. Derekas and L. Szigeti and C. Ellington and O. Schreurs and S. Mottola and R. Iglesias-Marzoa and N. Maícas and F. J. Galindo-Guil and F. Organero and L. Ana and K. Getrost and V. Nikitin and A. Verbiscer and M. Skrutskie and Candace Gray and M. Malacarne and C. Jacques and P. Cacella and O. Canales and D. Lafuente and S. Calavia and Ch. Oncins and M. Assafin and F. Braga-Ribas and J. I. B. Camargo and A. R. Gomes-Júnior and B. Morgado and E. Gradovski and R. Vieira-Martins and F. Colas and M. Tekes and O. Erece and M. Kaplan and A. Schweizer and J. Kubanek},
journal= {arXiv preprint arXiv:2503.19179},
year = {2026}
}