GoogleSatTrack - satellite tracker on google maps

Google Maps APIを利用して、ページが読み込まれた瞬間のディスカバリーと国際宇宙ステーションの現在位置を表示します。
「googlesat.php?zoom=12&marker=off」の書式で、拡大率とマーカーのON/OFFを変更できます。

New version available !!
GoogleSatTrack 2


Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /home/lts/www/isana/lab/googlesat/googlesat_sts.php on line 173

Warning: mktime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /home/lts/www/isana/lab/googlesat/googlesat_sts.php on line 173

Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /home/lts/www/isana/lab/googlesat/googlesat_sts.php on line 99

Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /home/lts/www/isana/lab/googlesat/googlesat_sts.php on line 99

Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /home/lts/www/isana/lab/googlesat/googlesat_sts.php on line 214

Warning: mktime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /home/lts/www/isana/lab/googlesat/googlesat_sts.php on line 214

Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /home/lts/www/isana/lab/googlesat/googlesat_sts.php on line 134

Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /home/lts/www/isana/lab/googlesat/googlesat_sts.php on line 134


Intarnational Space Station ( data souce : local )

衛星番号 : 25544U 98067A
元期 : 366.25184122 (2015.1.1 06:02:39 UTC)
軌道傾斜角 : 51.6465
昇交点赤経 : 222.5833
離心率 : 0.0016502
近地点引数 : 106.8597
元期平均近点離角 : 3.3426
平均運動 : 15.51823924

元期からの経過時間(日) : -155.16410973852
軌道長半径(km) : 6789.53816369
離心率 : 0.0016502
平均近点離角 : -866831.21689822
離心近点角 :-866831.14569878
動径 :6782.1661366672
軌道面XY座標 X:4456.1495720602 Y:5112.778940731
地心赤道座標 X:5722.2945904064 Y:2914.5161953508 Z:2181.4484804823
グリニッジ平均恒星時 :114.05400640504
G系地心直交座標 X:329.0311483267 Y:-6413.3297541751 Z:2181.4484804823
経度:-87.0631 緯度:18.8725 高度:406.9836

STS-114 ( data souce : local )

衛星番号 : 39413U 98067DB
元期 : 365.43858811 (2014.12.31 10:31:34 UTC)
軌道傾斜角 : 51.6469
昇交点赤経 : 209.3844
離心率 : 0.0008471
近地点引数 : 204.6865
元期平均近点離角 : 224.0201
平均運動 : 15.60710725

元期からの経過時間(日) : -154.35085662852
軌道長半径(km) : 6789.53816369
離心率 : 0.0008471
平均近点離角 : -866831.21689822
離心近点角 :-866831.14569878
動径 :6782.1661366672
軌道面XY座標 X:4456.1495720602 Y:5112.778940731
地心赤道座標 X:5722.2945904064 Y:2914.5161953508 Z:2181.4484804823
グリニッジ平均恒星時 :114.05400640504
G系地心直交座標 X:329.0311483267 Y:-6413.3297541751 Z:2181.4484804823
経度:-87.0631 緯度:18.8725 高度:406.9836


Reference

NASA - Science@NASA Shuttle Tracking
NASA - Science@NASA International Space Station Track
Heavens Above : ISS - Orbit
Heavens Above : STS - Orbit
CelesTrak WWW : ISS Data

Bibliography

長沢工『天体の位置計算 増補版』地人書館 (amazon)

Source Code

http://www.lizard-tail.com/isana/lab/googlesat/googlesat.txt