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ccf5880269
- 基于平均下合周期与节点相位预筛候选，减少无效星历计算；跳过无法求解的单个会合周期，避免有限覆盖星历导致搜索提前终止 - 引入影轴 γ、半影半径及地球尺度几何判定，结合站心可见性识别地心无接触、仅部分地区可见的掠凌 - 添加金星 243 年、水星 46 年周期族编号，并明确编号适用范围及未分配时的零值语义 - 为 SVG、GeoJSON 和 KML 增加站心部分凌日可见区，适配接触等时线、几何元数据、图层样式及取景；为地心无接触凌日事件增加正射图，按可见区球面面积加权居中
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10 KiB
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10 KiB
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行星视半径 4.97″</text><circle class="transit-sun" cx="323.000" cy="357.900" r="208.632" fill="url(#transit-sun)" stroke="#c78211" stroke-width="1.4"/><line x1="323.000" y1="137.268" x2="323.000" y2="578.532" stroke="#8b6a2b" stroke-width="0.8" stroke-dasharray="3 4" stroke-opacity="0.7"/><line x1="102.368" y1="357.900" x2="543.632" y2="357.900" stroke="#8b6a2b" stroke-width="0.8" stroke-dasharray="3 4" stroke-opacity="0.7"/><text x="323.000" y="131.268" fill="#6b5222" font-family="Georgia, 'Times New Roman', serif" font-size="13" text-anchor="middle">北</text><text x="323.000" y="594.532" fill="#6b5222" font-family="Georgia, 'Times New Roman', serif" font-size="13" text-anchor="middle">南</text><text x="90.368" y="362.900" fill="#6b5222" font-family="Georgia, 'Times New Roman', serif" font-size="13" text-anchor="middle">东</text><text x="555.632" y="362.900" fill="#6b5222" font-family="Georgia, 'Times New Roman', serif" font-size="13" text-anchor="middle">西</text><path class="transit-track" 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stroke="#000000" stroke-width="0.8"/><circle class="transit-planet-g" cx="274.357" cy="245.672" r="2.000" fill="#1d1d1d" fill-opacity="0.92" stroke="#000000" stroke-width="0.8"/><circle class="transit-planet-c3" cx="428.272" cy="179.015" r="2.000" fill="#9a9a9a" fill-opacity="0.92" stroke="#6d6d6d" stroke-width="0.8"/><circle class="transit-planet-c4" cx="430.697" cy="177.965" r="2.000" fill="#9a9a9a" fill-opacity="0.92" stroke="#6d6d6d" stroke-width="0.8"/><text class="transit-event-label" x="114.480" y="314.494" fill="#222" stroke="#ffffff" stroke-width="2.6" paint-order="stroke" font-family="Arial, sans-serif" font-size="11" text-anchor="end">一触 14:40:40</text><text class="transit-event-label" x="114.480" y="296.605" fill="#222" stroke="#ffffff" stroke-width="2.6" paint-order="stroke" font-family="Arial, sans-serif" font-size="11" text-anchor="end">二触 14:42:44</text><text class="transit-event-label" x="268.790" y="236.826" fill="#222" stroke="#ffffff" stroke-width="2.6" paint-order="stroke" font-family="Arial, sans-serif" font-size="11" text-anchor="end">凌甚 16:53:54</text><text class="transit-event-label" x="435.372" y="170.949" fill="#222" stroke="#ffffff" stroke-width="2.6" paint-order="stroke" font-family="Arial, sans-serif" font-size="11" text-anchor="start">三触 19:05:16</text><text class="transit-event-label" x="424.474" y="169.425" fill="#222" stroke="#ffffff" stroke-width="2.6" paint-order="stroke" font-family="Arial, sans-serif" font-size="11" text-anchor="end">四触 19:07:20</text><text x="624.000" y="144.000" fill="#111" font-family="Georgia, 'Times New Roman', serif" font-size="15" font-weight="700">接触时刻</text><text x="624.000" y="170.000" fill="#555" font-family="Arial, sans-serif" font-size="11"></text><text x="702.000" y="170.000" fill="#555" font-family="Arial, sans-serif" font-size="11">时刻</text><text x="800.000" y="170.000" fill="#555" font-family="Arial, sans-serif" font-size="11">太阳高度</text><text x="876.000" y="170.000" fill="#555" font-family="Arial, sans-serif" font-size="11">方位</text><line x1="624.000" y1="176.000" x2="916.000" y2="176.000" stroke="#bbb" stroke-width="0.8"/><text class="transit-contact-row" x="624.000" y="192.000" fill="#222" font-family="Arial, sans-serif" font-size="12">一触</text><text class="transit-contact-row" x="702.000" y="192.000" fill="#222" font-family="Arial, sans-serif" font-size="12">14:40:40</text><text class="transit-contact-row" x="800.000" y="192.000" fill="#222" font-family="Arial, sans-serif" font-size="12">+20.8°</text><text class="transit-contact-row" x="876.000" y="192.000" fill="#222" font-family="Arial, sans-serif" font-size="12">221.3°</text><text class="transit-contact-row" x="624.000" y="214.000" fill="#222" font-family="Arial, sans-serif" font-size="12">二触</text><text class="transit-contact-row" x="702.000" y="214.000" fill="#222" font-family="Arial, sans-serif" font-size="12">14:42:44</text><text class="transit-contact-row" x="800.000" y="214.000" fill="#222" font-family="Arial, sans-serif" font-size="12">+20.5°</text><text class="transit-contact-row" x="876.000" y="214.000" fill="#222" font-family="Arial, sans-serif" font-size="12">221.8°</text><text class="transit-contact-row" x="624.000" y="236.000" fill="#222" font-family="Arial, sans-serif" font-size="12">凌甚</text><text class="transit-contact-row" x="702.000" y="236.000" fill="#222" font-family="Arial, sans-serif" font-size="12">16:53:54</text><text class="transit-contact-row" x="800.000" y="236.000" fill="#222" font-family="Arial, sans-serif" font-size="12">+0.2°</text><text class="transit-contact-row" x="876.000" y="236.000" fill="#222" font-family="Arial, sans-serif" font-size="12">245.9°</text><text class="transit-contact-row" x="624.000" y="258.000" fill="#8a8a8a" font-family="Arial, sans-serif" font-size="12">三触</text><text class="transit-contact-row" x="702.000" y="258.000" fill="#8a8a8a" font-family="Arial, sans-serif" font-size="12">19:05:16</text><text class="transit-contact-row" x="800.000" y="258.000" fill="#8a8a8a" font-family="Arial, sans-serif" font-size="12">-24.1°</text><text class="transit-contact-row" x="876.000" y="258.000" fill="#8a8a8a" font-family="Arial, sans-serif" font-size="12">265.9°</text><text class="transit-contact-row" x="624.000" y="280.000" fill="#8a8a8a" font-family="Arial, sans-serif" font-size="12">四触</text><text class="transit-contact-row" x="702.000" y="280.000" fill="#8a8a8a" font-family="Arial, sans-serif" font-size="12">19:07:20</text><text class="transit-contact-row" x="800.000" y="280.000" fill="#8a8a8a" font-family="Arial, sans-serif" font-size="12">-24.5°</text><text class="transit-contact-row" x="876.000" y="280.000" fill="#8a8a8a" font-family="Arial, sans-serif" font-size="12">266.3°</text><text x="624.000" y="310.000" fill="#333" font-family="Arial, sans-serif" font-size="12">一触至四触历时 4h26m41s</text><text x="624.000" y="329.000" fill="#333" font-family="Arial, sans-serif" font-size="12">凌日中日落 16:58:19</text><text x="40" y="628.000" fill="#555" font-family="Georgia, 'Times New Roman', serif" font-size="12">天空视向，上北左东；站心接触时刻，太阳高度为太阳中心几何高度，灰色部分太阳中心在视地平下（计入标准大气折射）。</text><text x="40" y="646.000" fill="#555" font-family="Georgia, 'Times New Roman', serif" font-size="12">图中时刻为 UTC（显示时区 CST，UTC+08:00）</text></svg> |
