Orionids 2026
日期与时间
UTC
概览
Peak October 21, 2026. Up to 20 meteors/hour. Debris from Halley's Comet. Some moonlight interference (waxing gibbous). Best after midnight facing east.
峰值流量
峰值:最高每小时 20 颗流星
最佳观测条件为午夜后来自暗夜地点,此时辐射点高度最高。
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A meteor shower occurs when Earth passes through a trail of debris left by a comet or asteroid. Particles enter the atmosphere at 11-72 km/s, burning up and creating bright streaks of light. Major showers like the Perseids and Geminids can produce 60-150 meteors per hour under dark skies. Best viewed after midnight when the radiant is highest.
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数据来源
二至点和二分点日期根据 JPL DE440 星历计算(与 NASA 使用的行星/月球星历相同)。流星雨峰值日期与 ZHR 值遵循国际流星组织(IMO)年度日历。行星事件数据来自 NASA Horizons 系统。
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