论文标题
金星轨道内的一个公里大小的小行星的发现和表征
The discovery and characterization of a kilometre sized asteroid inside the orbit of Venus
论文作者
论文摘要
接近地球的小行星种群模型预测了位于金星轨道内的物体的存在。尽管在2019年底进行了搜索，但没有发现。我们报告了（594913）'ayló'chaxnim的发现和后续观察，该小行星完全是金星的轨道。 （594913）'ayló'chaxnim的放射线距离为〜0.65 au，直径约2 km，颜色为红色。根据近地地球人群模型，由于它们的稀有性，对金星轨道内部如此大的小行星的检测令人惊讶。作为第一个正式编号和命名的小行星，完全位于金星的轨道内，我们建议将内部到金星小行星的类别称为“ayló'chaxnim小行星”。
Near-Earth asteroid population models predict the existence of bodies located inside the orbit of Venus. Despite searches up to the end of 2019, none had been found. We report discovery and follow-up observations of (594913) 'Ayló'chaxnim, an asteroid with an orbit entirely interior to Venus. (594913) 'Ayló'chaxnim has an aphelion distance of ~0.65 au, is ~2 km in diameter and is red in colour. The detection of such a large asteroid inside the orbit of Venus is surprising given their rarity according to near-Earth asteroid population models. As the first officially numbered and named asteroid located entirely within the orbit of Venus, we propose that the class of interior to Venus asteroids be referred to as 'Ayló'chaxnim asteroids.
