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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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11 KiB
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11 KiB
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<svg xmlns="http://www.w3.org/2000/svg" width="960" height="680" viewBox="0 0 960 680" role="img" aria-label="2012-06-06 金星凌日站心图"><defs><radialGradient id="transit-sun" cx="40%" cy="34%" r="64%"><stop offset="0%" stop-color="#fff8bb"/><stop offset="58%" stop-color="#ffd55f"/><stop offset="100%" stop-color="#f5a623"/></radialGradient></defs><rect width="100%" height="100%" fill="#efefed"/><rect x="22" y="18" width="916.000" height="644.000" fill="#ffffff" stroke="#c9c9c6" stroke-width="1.2"/><text x="480.000" y="47" fill="#111111" font-family="Georgia, 'Times New Roman', serif" font-size="24" font-weight="700" text-anchor="middle">2012-06-06 金星凌日站心图</text><text x="480.000" y="72.000" fill="#333" font-family="Georgia, 'Times New Roman', serif" font-size="13" text-anchor="middle">观测地 东经 116.4074° 北纬 39.9042°，海拔 0 米</text><text x="480.000" y="91.000" fill="#333" font-family="Georgia, 'Times New Roman', serif" font-size="13" text-anchor="middle">站心完整凌日，可见 | 最小角距 544.0″ | 太阳视半径 945.3″ | 行星视半径 28.90″</text><circle class="transit-sun" cx="323.000" cy="357.900" r="198.013" fill="url(#transit-sun)" stroke="#c78211" stroke-width="1.4"/><line x1="323.000" y1="147.887" x2="323.000" y2="567.913" stroke="#8b6a2b" stroke-width="0.8" stroke-dasharray="3 4" stroke-opacity="0.7"/><line x1="112.987" y1="357.900" x2="533.013" y2="357.900" stroke="#8b6a2b" stroke-width="0.8" stroke-dasharray="3 4" stroke-opacity="0.7"/><text x="323.000" y="141.887" fill="#6b5222" font-family="Georgia, 'Times New Roman', serif" font-size="13" text-anchor="middle">北</text><text x="323.000" y="583.913" fill="#6b5222" font-family="Georgia, 'Times New Roman', serif" font-size="13" text-anchor="middle">南</text><text x="100.987" y="362.900" fill="#6b5222" font-family="Georgia, 'Times New Roman', serif" font-size="13" text-anchor="middle">东</text><text x="545.013" 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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456.195 273.950 L 457.850 274.369 L 459.506 274.788 L 461.162 275.207 L 462.817 275.626 L 464.473 276.044 L 466.129 276.463 L 467.785 276.883 L 469.441 277.302 L 471.097 277.721 L 472.752 278.140 L 474.408 278.560 L 476.064 278.979 L 477.720 279.399 L 479.376 279.818 L 481.032 280.238 L 482.688 280.658 L 484.344 281.077 L 486.000 281.497 L 487.657 281.917 L 489.313 282.337 L 490.969 282.757 L 492.625 283.178 L 494.281 283.598 L 495.937 284.018 L 497.593 284.439 L 499.249 284.859 L 500.666 285.219 L 500.905 285.280 L 502.561 285.700 L 504.217 286.121 L 505.873 286.542 L 507.528 286.962 L 509.184 287.383 L 510.840 287.804 L 512.496 288.225 L 514.152 288.647 L 515.035 288.871 " fill="none" stroke="#24518a" stroke-width="1.4" stroke-dasharray="none" stroke-linecap="round"/><circle class="transit-planet-c1" cx="186.779" cy="205.956" r="6.054" fill="#1d1d1d" fill-opacity="0.92" stroke="#000000" stroke-width="0.8"/><circle class="transit-planet-c2" cx="201.114" cy="209.603" r="6.054" fill="#1d1d1d" fill-opacity="0.92" stroke="#000000" stroke-width="0.8"/><circle class="transit-planet-g" cx="350.803" cy="247.388" r="6.054" fill="#1d1d1d" fill-opacity="0.92" stroke="#000000" stroke-width="0.8"/><circle class="transit-planet-c3" cx="500.666" cy="285.219" r="6.054" fill="#1d1d1d" fill-opacity="0.92" stroke="#000000" stroke-width="0.8"/><circle class="transit-planet-c4" cx="515.035" cy="288.871" r="6.054" fill="#1d1d1d" fill-opacity="0.92" stroke="#000000" stroke-width="0.8"/><text class="transit-event-label" x="174.728" y="196.513" fill="#222" stroke="#ffffff" stroke-width="2.6" paint-order="stroke" font-family="Arial, sans-serif" font-size="11" text-anchor="end">一触 06:10:13</text><text class="transit-event-label" x="206.657" y="196.421" fill="#222" stroke="#ffffff" stroke-width="2.6" paint-order="stroke" font-family="Arial, sans-serif" font-size="11" text-anchor="start">二触 06:27:52</text><text class="transit-event-label" x="355.208" y="233.880" fill="#222" stroke="#ffffff" stroke-width="2.6" paint-order="stroke" font-family="Arial, sans-serif" font-size="11" text-anchor="middle">凌甚 09:30:40</text><text class="transit-event-label" x="512.053" y="275.209" fill="#222" stroke="#ffffff" stroke-width="2.6" paint-order="stroke" font-family="Arial, sans-serif" font-size="11" text-anchor="start">三触 12:31:56</text><text class="transit-event-label" x="531.520" y="295.657" fill="#222" stroke="#ffffff" stroke-width="2.6" paint-order="stroke" font-family="Arial, sans-serif" font-size="11" text-anchor="start">四触 12:49:17</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">06:10:13</text><text class="transit-contact-row" x="800.000" y="192.000" fill="#222" font-family="Arial, sans-serif" font-size="12">+13.8°</text><text class="transit-contact-row" x="876.000" y="192.000" fill="#222" font-family="Arial, sans-serif" font-size="12">71.8°</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">06:27:52</text><text class="transit-contact-row" x="800.000" y="214.000" fill="#222" font-family="Arial, sans-serif" font-size="12">+17.0°</text><text class="transit-contact-row" x="876.000" y="214.000" fill="#222" font-family="Arial, sans-serif" font-size="12">74.4°</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">09:30:40</text><text class="transit-contact-row" x="800.000" y="236.000" fill="#222" font-family="Arial, sans-serif" font-size="12">+51.7°</text><text class="transit-contact-row" x="876.000" y="236.000" fill="#222" font-family="Arial, sans-serif" font-size="12">104.4°</text><text class="transit-contact-row" x="624.000" y="258.000" fill="#222" font-family="Arial, sans-serif" font-size="12">三触</text><text class="transit-contact-row" x="702.000" y="258.000" fill="#222" font-family="Arial, sans-serif" font-size="12">12:31:56</text><text class="transit-contact-row" x="800.000" y="258.000" fill="#222" font-family="Arial, sans-serif" font-size="12">+72.3°</text><text class="transit-contact-row" x="876.000" y="258.000" fill="#222" font-family="Arial, sans-serif" font-size="12">194.5°</text><text class="transit-contact-row" x="624.000" y="280.000" fill="#222" font-family="Arial, sans-serif" font-size="12">四触</text><text class="transit-contact-row" x="702.000" y="280.000" fill="#222" font-family="Arial, sans-serif" font-size="12">12:49:17</text><text class="transit-contact-row" x="800.000" y="280.000" fill="#222" font-family="Arial, sans-serif" font-size="12">+71.2°</text><text class="transit-contact-row" x="876.000" y="280.000" fill="#222" font-family="Arial, sans-serif" font-size="12">206.7°</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 6h39m4s</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> |
