本应用可计算太阳系小天体轨道随时间的变化, 并将结果进行可视化展示;
可视化时参考系为日心J2000历元平黄道系(太阳为原点, x轴指向春分点方向), 使用的时间系统为质心力学时TDB;
请注意, 设置时间范围时需在公元1850-2650年之内, 时间长度范围最高不超过100年, 最低不可小于3天;
轨道计算时考虑的摄动模型考虑了太阳+八大行星+月球+4颗主带最大质量小行星引力摄动+日心后牛顿效应;
显示的大行星(冥王星)轨道用日心二体模型近似计算得到, 从可视化显示的角度而言精度已足够;
在视图区内鼠标左键单击拖动可旋转视图, 右键单击拖动可移动视图, 滚轮可缩放视图, 左键双击可重置视图;
拖动视图区底部蓝色滚动条或点击两边按钮可更改轨道时间;
注意, 为便于展示, 各天体的尺寸大小并非真实比例, 用户可根据需求调整天体和轨道线大小.
数据来源以及一些参数和符号的说明
请见这里»»
;
311P/PANSTARRS
2025-04-19 00:00:00
日心距: 2.4020 au
地心距: 1.4114 au
速度: 18.257 km/s
——
水星
——
金星
——
地球
——
火星
——
木星
——
311P/PANSTARRS
2023-09-05 00:00:00
2026-12-02 00:00:00
模型设置
使用说明
« 返回
注: 可在以下方框内手动修改小天体轨道参数, 然后点击更新即可。
目标小天体
轨道初值
开始时间
结束时间
大天体轨道
水星
金星
地球
火星
木星
土星
天王星
海王星
冥王星
更新轨道
渲染设置
太阳
增大球体
减小球体
大行星
增大球体
减小球体
增大线宽
减小线宽
小天体
增大球体
减小球体
增大线宽
减小线宽
3D轨道效果
将黄道面两侧轨线设置为不同亮度
显示轨道到黄道面的垂线
无
图例
中文
英文
基本
文件
流程
错误
SQL
调试
请求信息 : 2025-04-19 16:32:17 HTTP/2.0 GET : https://astorb.com/app/orbview?object=Comet_311P
运行时间 : 0.133160s [ 吞吐率:7.51req/s ] 内存消耗:4,203.91kb 文件加载:145
查询信息 : 7 queries
缓存信息 : 0 reads,0 writes
会话信息 : SESSION_ID=2896c35b8b93f3b54c7a0dd48b06b55e
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CONNECT:[ UseTime:0.001018s ] mysql:host=127.0.0.1;port=3306;dbname=www_astorb_com;charset=utf8
SHOW FULL COLUMNS FROM `aa_asteroid` [ RunTime:0.001595s ]
SHOW FULL COLUMNS FROM `aa_asteroidx` [ RunTime:0.001494s ]
SHOW FULL COLUMNS FROM `aa_comet` [ RunTime:0.001623s ]
SHOW FULL COLUMNS FROM `aa_cnnames` [ RunTime:0.001154s ]
SELECT * FROM `aa_comet` WHERE `sname` = '311P' LIMIT 1 [ RunTime:0.001202s ]
SHOW FULL COLUMNS FROM `aa_apps` [ RunTime:0.001647s ]
SELECT * FROM `aa_apps` WHERE `url` = 'orbview' LIMIT 1 [ RunTime:0.002553s ]
0.135592s