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admin
2026-06-25 21:36:46 +00:00
commit f3a9e905bc
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api/cache/tle_active.json
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api/cache/tle_noaa.json
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{
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api/cache/tle_starlink.json
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api/cache/tle_stations.json
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{
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api/cache/tle_weather.json
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"epoch": "2026-06-20 09:56:16"
},
{
"name": "CYGFM03",
"norad": "41891",
"line1": "1 41891U 16078H 26171.44907869 .00021797 00000+0 25786-3 0 9995",
"line2": "2 41891 34.9390 209.7861 0006918 211.7965 148.2343 15.60252937529484",
"epoch": "2026-06-20 10:46:40"
},
{
"name": "FENGYUN 3D",
"norad": "43010",
"line1": "1 43010U 17072A 26172.51679571 -.00000158 00000+0 -52975-4 0 9991",
"line2": "2 43010 99.0133 147.0175 0002490 55.5625 304.5785 14.19739395445605",
"epoch": "2026-06-21 12:24:11"
},
{
"name": "NOAA 20 (JPSS-1)",
"norad": "43013",
"line1": "1 43013U 17073A 26171.38467992 .00000046 00000+0 42637-4 0 9999",
"line2": "2 43013 98.7771 110.8189 0000383 117.6624 242.4591 14.19512290444925",
"epoch": "2026-06-20 09:13:56"
},
{
"name": "GOES 17",
"norad": "43226",
"line1": "1 43226U 18022A 26171.38933449 -.00000187 00000+0 00000+0 0 9995",
"line2": "2 43226 0.9463 85.6559 0000598 28.1563 205.4138 1.00269480 30451",
"epoch": "2026-06-20 09:20:38"
},
{
"name": "SENTINEL-3B",
"norad": "43437",
"line1": "1 43437U 18039A 26171.41568603 .00000074 00000+0 48499-4 0 9990",
"line2": "2 43437 98.6248 238.9017 0000727 94.6800 265.4463 14.26735540424583",
"epoch": "2026-06-20 09:58:35"
},
{
"name": "FENGYUN 2H",
"norad": "43491",
"line1": "1 43491U 18050A 26172.54842275 -.00000131 00000+0 00000+0 0 9994",
"line2": "2 43491 3.0437 79.0286 0001805 136.1614 331.3565 1.00269411 29481",
"epoch": "2026-06-21 13:09:44"
},
{
"name": "METOP-C",
"norad": "43689",
"line1": "1 43689U 18087A 26171.44664144 .00000064 00000+0 49212-4 0 9995",
"line2": "2 43689 98.6643 230.9907 0001880 125.1991 234.9363 14.21512882395295",
"epoch": "2026-06-20 10:43:10"
},
{
"name": "GEO-KOMPSAT-2A",
"norad": "43823",
"line1": "1 43823U 18100A 26171.41741235 -.00000348 00000+0 00000+0 0 9998",
"line2": "2 43823 0.0473 151.2642 0002170 295.2838 100.6088 1.00272261 27669",
"epoch": "2026-06-20 10:01:04"
},
{
"name": "METEOR-M2 2",
"norad": "44387",
"line1": "1 44387U 19038A 26172.52968670 .00000005 00000+0 22237-4 0 9992",
"line2": "2 44387 98.9151 159.8796 0001904 41.8346 318.2978 14.24366528361915",
"epoch": "2026-06-21 12:42:45"
},
{
"name": "ARKTIKA-M 1",
"norad": "47719",
"line1": "1 47719U 21016A 26168.49069990 -.00000210 00000+0 00000+0 0 9999",
"line2": "2 47719 63.2922 57.5948 7288528 269.9420 14.6012 2.00622504 38796",
"epoch": "2026-06-17 11:46:36"
},
{
"name": "FENGYUN 3E",
"norad": "49008",
"line1": "1 49008U 21062A 26172.50017913 .00000183 00000+0 10675-3 0 9999",
"line2": "2 49008 98.7495 175.8605 0002823 78.9678 281.1816 14.19904829257195",
"epoch": "2026-06-21 12:00:15"
},
{
"name": "GOES 18",
"norad": "51850",
"line1": "1 51850U 22021A 26170.93705689 .00000091 00000+0 00000+0 0 9997",
"line2": "2 51850 0.0372 171.7340 0000425 325.4670 331.2805 1.00271950 6625",
"epoch": "2026-06-19 22:29:22"
},
{
"name": "NOAA 21 (JPSS-2)",
"norad": "54234",
"line1": "1 54234U 22150A 26171.41746469 .00000044 00000+0 41590-4 0 9996",
"line2": "2 54234 98.7059 110.1525 0001836 147.2077 212.9214 14.19565986187000",
"epoch": "2026-06-20 10:01:09"
},
{
"name": "METEOSAT-12 (MTG-I1)",
"norad": "54743",
"line1": "1 54743U 22170C 26171.24937015 -.00000013 00000+0 00000+0 0 9996",
"line2": "2 54743 0.7421 23.5307 0003320 70.9892 263.3203 1.00273524 13009",
"epoch": "2026-06-20 05:59:06"
},
{
"name": "TIANMU-1 03",
"norad": "55973",
"line1": "1 55973U 23039A 26172.51236689 .00012760 00000+0 25107-3 0 9997",
"line2": "2 55973 97.5243 346.6508 0004082 88.7124 271.4593 15.47392330181500",
"epoch": "2026-06-21 12:17:48"
},
{
"name": "TIANMU-1 04",
"norad": "55974",
"line1": "1 55974U 23039B 26172.50017186 .00013293 00000+0 25608-3 0 9994",
"line2": "2 55974 97.5177 345.7923 0004718 83.9821 276.1966 15.47992980181519",
"epoch": "2026-06-21 12:00:15"
},
{
"name": "TIANMU-1 05",
"norad": "55975",
"line1": "1 55975U 23039C 26172.49333985 .00012617 00000+0 24893-3 0 9995",
"line2": "2 55975 97.5221 346.2447 0004106 104.9703 255.2001 15.47316256181481",
"epoch": "2026-06-21 11:50:25"
},
{
"name": "TIANMU-1 06",
"norad": "55976",
"line1": "1 55976U 23039D 26172.50381902 .00013184 00000+0 25487-3 0 9990",
"line2": "2 55976 97.5229 346.8955 0004324 99.6322 260.5416 15.47896063181511",
"epoch": "2026-06-21 12:05:30"
},
{
"name": "FENGYUN 3G",
"norad": "56232",
"line1": "1 56232U 23055A 26172.48258118 .00019904 00000+0 32143-3 0 9996",
"line2": "2 56232 49.9935 323.8862 0007121 314.2701 45.7681 15.52798254180671",
"epoch": "2026-06-21 11:34:55"
},
{
"name": "METEOR-M2 3",
"norad": "57166",
"line1": "1 57166U 23091A 26172.52499583 -.00000006 00000+0 16221-4 0 9995",
"line2": "2 57166 98.6080 227.4146 0004589 144.4775 215.6710 14.24047159155136",
"epoch": "2026-06-21 12:36:00"
},
{
"name": "TIANMU-1 07",
"norad": "57399",
"line1": "1 57399U 23101A 26172.48254884 .00004853 00000+0 17043-3 0 9998",
"line2": "2 57399 97.2589 223.0524 0004274 112.8221 247.3472 15.29848940162308",
"epoch": "2026-06-21 11:34:52"
},
{
"name": "TIANMU-1 08",
"norad": "57400",
"line1": "1 57400U 23101B 26172.51458675 .00005094 00000+0 17870-3 0 9995",
"line2": "2 57400 97.2578 222.8538 0005687 104.7184 255.4688 15.29854432162300",
"epoch": "2026-06-21 12:21:00"
},
{
"name": "TIANMU-1 09",
"norad": "57401",
"line1": "1 57401U 23101C 26172.49791285 .00005141 00000+0 18018-3 0 9998",
"line2": "2 57401 97.2536 222.2510 0004785 117.1207 243.0522 15.29886210162300",
"epoch": "2026-06-21 11:57:00"
},
{
"name": "TIANMU-1 10",
"norad": "57402",
"line1": "1 57402U 23101D 26172.46563515 .00005026 00000+0 17632-3 0 9992",
"line2": "2 57402 97.2615 223.2743 0006346 115.1029 245.0871 15.29857439162291",
"epoch": "2026-06-21 11:10:31"
},
{
"name": "FENGYUN 3F",
"norad": "57490",
"line1": "1 57490U 23111A 26172.48399582 .00000011 00000+0 25698-4 0 9994",
"line2": "2 57490 98.6835 242.4127 0001582 90.3874 269.7484 14.19939702149475",
"epoch": "2026-06-21 11:36:57"
},
{
"name": "ARKTIKA-M 2",
"norad": "58584",
"line1": "1 58584U 23198A 26168.75920439 .00000145 00000+0 00000+0 0 9993",
"line2": "2 58584 63.2243 154.2920 6902344 267.4286 18.7609 2.00612717 18330",
"epoch": "2026-06-17 18:13:15"
},
{
"name": "TIANMU-1 11",
"norad": "58645",
"line1": "1 58645U 23205A 26172.50950514 .00004206 00000+0 16121-3 0 9992",
"line2": "2 58645 97.3448 193.9985 0008423 2.1524 357.9750 15.27032570138189",
"epoch": "2026-06-21 12:13:41"
},
{
"name": "TIANMU-1 12",
"norad": "58646",
"line1": "1 58646U 23205B 26172.54550061 .00004499 00000+0 17246-3 0 9993",
"line2": "2 58646 97.3438 193.7888 0006195 347.6663 12.4424 15.26998880138178",
"epoch": "2026-06-21 13:05:31"
},
{
"name": "TIANMU-1 13",
"norad": "58647",
"line1": "1 58647U 23205C 26172.51256397 .00004285 00000+0 16517-3 0 9999",
"line2": "2 58647 97.3464 194.0296 0005433 323.2905 36.7961 15.26851187138160",
"epoch": "2026-06-21 12:18:06"
},
{
"name": "TIANMU-1 14",
"norad": "58648",
"line1": "1 58648U 23205D 26172.49764391 .00004278 00000+0 16465-3 0 9999",
"line2": "2 58648 97.3401 193.1933 0006382 328.1981 31.8872 15.26895930138163",
"epoch": "2026-06-21 11:56:36"
},
{
"name": "TIANMU-1 19",
"norad": "58660",
"line1": "1 58660U 23208A 26172.40296416 .00006532 00000+0 21646-3 0 9997",
"line2": "2 58660 97.4505 288.7245 0003546 308.1636 51.9285 15.31627133137977",
"epoch": "2026-06-21 09:40:16"
},
{
"name": "TIANMU-1 20",
"norad": "58661",
"line1": "1 58661U 23208B 26172.56804883 .00006296 00000+0 20107-3 0 9996",
"line2": "2 58661 97.4447 289.5303 0005732 315.3365 44.7415 15.32819357138096",
"epoch": "2026-06-21 13:37:59"
},
{
"name": "TIANMU-1 21",
"norad": "58662",
"line1": "1 58662U 23208C 26172.48460245 .00007912 00000+0 23428-3 0 9993",
"line2": "2 58662 97.4507 292.1457 0005737 305.0266 55.0438 15.35141113138221",
"epoch": "2026-06-21 11:37:50"
},
{
"name": "TIANMU-1 22",
"norad": "58663",
"line1": "1 58663U 23208D 26172.51689759 .00005940 00000+0 20026-3 0 9991",
"line2": "2 58663 97.4501 288.7713 0002791 346.8495 13.2672 15.31108395137996",
"epoch": "2026-06-21 12:24:20"
},
{
"name": "TIANMU-1 15",
"norad": "58700",
"line1": "1 58700U 24004A 26172.55454425 .00004449 00000+0 17035-3 0 9991",
"line2": "2 58700 97.4674 358.7457 0006262 346.3791 13.7278 15.27060875136444",
"epoch": "2026-06-21 13:18:33"
},
{
"name": "TIANMU-1 16",
"norad": "58701",
"line1": "1 58701U 24004B 26172.54456803 .00004530 00000+0 17484-3 0 9992",
"line2": "2 58701 97.4622 357.9677 0005379 352.3663 7.7493 15.26785843136446",
"epoch": "2026-06-21 13:04:11"
},
{
"name": "TIANMU-1 17",
"norad": "58702",
"line1": "1 58702U 24004C 26172.53002447 .00004662 00000+0 17987-3 0 9997",
"line2": "2 58702 97.4648 358.4398 0005070 359.4602 0.6630 15.26784809136435",
"epoch": "2026-06-21 12:43:14"
},
{
"name": "TIANMU-1 18",
"norad": "58703",
"line1": "1 58703U 24004D 26172.50568463 .00004179 00000+0 16032-3 0 9993",
"line2": "2 58703 97.4666 358.6735 0003609 0.4275 359.6966 15.27041126136436",
"epoch": "2026-06-21 12:08:11"
},
{
"name": "INSAT-3DS",
"norad": "58990",
"line1": "1 58990U 24033A 26171.40823205 -.00000160 00000+0 00000+0 0 9990",
"line2": "2 58990 0.0479 106.3313 0001171 331.3573 59.9873 1.00271082 47109",
"epoch": "2026-06-20 09:47:51"
},
{
"name": "METEOR-M2 4",
"norad": "59051",
"line1": "1 59051U 24039A 26172.54463940 .00000004 00000+0 21415-4 0 9991",
"line2": "2 59051 98.7012 131.7880 0007535 149.0442 211.1182 14.22429890119885",
"epoch": "2026-06-21 13:04:17"
},
{
"name": "GOES 19",
"norad": "60133",
"line1": "1 60133U 24119A 26171.37127980 -.00000253 00000+0 00000+0 0 9993",
"line2": "2 60133 0.0015 112.2371 0000407 49.5773 165.2311 1.00270517 6990",
"epoch": "2026-06-20 08:54:39"
},
{
"name": "MTG-S1",
"norad": "64723",
"line1": "1 64723U 25143A 26171.39155049 -.00000005 00000+0 00000+0 0 9994",
"line2": "2 64723 0.6001 339.7327 0000829 294.1194 133.2187 1.00399694 3452",
"epoch": "2026-06-20 09:23:50"
},
{
"name": "METOP-SGA1",
"norad": "65159",
"line1": "1 65159U 25172A 26167.15332899 .00000049 00000+0 42000-4 0 9997",
"line2": "2 65159 98.6644 226.8998 0000902 93.8213 266.3067 14.21509720 43644",
"epoch": "2026-06-16 03:40:48"
},
{
"name": "FENGYUN 3H",
"norad": "65815",
"line1": "1 65815U 25219A 26171.42343481 .00000033 00000+0 36111-4 0 9991",
"line2": "2 65815 98.6768 112.1297 0001572 74.5092 285.6258 14.19920896 37843",
"epoch": "2026-06-20 10:09:45"
}
]
}
api/groups.php
+28
View File
@@ -0,0 +1,28 @@
<?php
header('Content-Type: application/json; charset=utf-8');
header('Cache-Control: no-store');
echo json_encode([
'groups' => [
[
'id' => 'starlink',
'name' => 'Starlink (CelesTrak)'
],
[
'id' => 'noaa',
'name' => 'NOAA (CelesTrak)'
],
[
'id' => 'weather',
'name' => 'Weather (CelesTrak)'
],
[
'id' => 'active',
'name' => 'Active (CelesTrak)'
],
[
'id' => 'stations',
'name' => 'Space Stations (CelesTrak)'
]
]
], JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
api/tle.php
+209
View File
@@ -0,0 +1,209 @@
<?php
// sat.thedarkelite.com - TLE proxy + cache (fast + stale fallback)
//
// CelesTrak provides 3-line sets (name + line1 + line2).[6](https://celestrak.org/norad/documentation/tle-fmt.php)
// CelesTrak recommends updated access patterns for GP data and supports multiple formats.[2](https://www.celestrak.org/NORAD/documentation/gp-data-formats.php)[1](https://celestrak.org/NORAD/elements/)
header('Content-Type: application/json; charset=utf-8');
$start = microtime(true);
$group = isset($_GET['group']) ? strtolower(trim($_GET['group'])) : 'starlink';
function gpUrl(string $group, string $format = 'tle'): string {
// Modern group endpoint (preferred for reliability)
// See CelesTrak GP data format guidance + Current GP element sets index.[2](https://www.celestrak.org/NORAD/documentation/gp-data-formats.php)[1](https://celestrak.org/NORAD/elements/)
return 'https://celestrak.org/NORAD/elements/gp.php?GROUP=' . rawurlencode($group) . '&FORMAT=' . rawurlencode($format);
}
// Use gp.php for groups that have shown 404s on static .txt,
// keep starlink static since it commonly exists and is huge.
$allowed = [
'starlink' => ['name' => 'Starlink', 'url' => 'https://celestrak.org/NORAD/elements/gp.php?GROUP=starlink&FORMAT=tle'],
'noaa' => ['name' => 'NOAA', 'url' => 'https://celestrak.org/NORAD/elements/gp.php?GROUP=noaa&FORMAT=tle'],
'weather' => ['name' => 'Weather', 'url' => gpUrl('weather', 'tle')],
'active' => ['name' => 'Active', 'url' => gpUrl('active', 'tle')],
'stations' => ['name' => 'Space Stations', 'url' => gpUrl('stations', 'tle')],
];
if (!isset($allowed[$group])) {
http_response_code(400);
echo json_encode(['error' => 'Invalid group'], JSON_PRETTY_PRINT);
exit;
}
$cacheDir = __DIR__ . '/cache';
if (!is_dir($cacheDir)) @mkdir($cacheDir, 0775, true);
$cacheKey = preg_replace('/[^a-z0-9_\-]/', '_', $group);
$cacheFile = $cacheDir . "/tle_{$cacheKey}.json";
// TTL: 2 hours default (CelesTrak updates on a multi-hour cadence; frequent pulls can cause blocks).[7](https://usradioguy.com/wxtoimg-kepler-fix/)[1](https://celestrak.org/NORAD/elements/)
$ttlSeconds = 2 * 60 * 60;
$now = time();
$emitCache = function(array $cached, bool $isFresh) use ($ttlSeconds, $cacheFile, $now, $start) {
$age = is_file($cacheFile) ? ($now - filemtime($cacheFile)) : null;
$cached['meta']['cached'] = true;
$cached['meta']['cacheAgeSeconds'] = $age;
$cached['meta']['cacheTtlSeconds'] = $ttlSeconds;
$cached['meta']['servedFrom'] = $isFresh ? 'cache_fresh' : 'cache_stale';
$cached['meta']['serverMs'] = (int)round((microtime(true) - $start) * 1000);
header('Cache-Control: public, max-age=60');
echo json_encode($cached, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
exit;
};
// Serve fresh cache
if (is_file($cacheFile)) {
$age = $now - filemtime($cacheFile);
if ($age < $ttlSeconds) {
$cached = json_decode(@file_get_contents($cacheFile), true);
if (is_array($cached)) $emitCache($cached, true);
}
}
// Fetch upstream (fail fast)
$url = $allowed[$group]['url'];
$ua = 'sat.thedarkelite.com (TLE proxy; contact: admin@thedarkelite.com)';
$text = null;
$httpCode = 0;
$curlErr = null;
$connectTimeout = 4;
$totalTimeout = 12;
if (function_exists('curl_init')) {
$ch = curl_init($url);
curl_setopt_array($ch, [
CURLOPT_RETURNTRANSFER => true,
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_CONNECTTIMEOUT => $connectTimeout,
CURLOPT_TIMEOUT => $totalTimeout,
CURLOPT_USERAGENT => $ua,
CURLOPT_SSL_VERIFYPEER => true,
CURLOPT_SSL_VERIFYHOST => 2,
CURLOPT_IPRESOLVE => CURL_IPRESOLVE_V4,
CURLOPT_ENCODING => '',
]);
$text = curl_exec($ch);
$httpCode = (int)curl_getinfo($ch, CURLINFO_HTTP_CODE);
$curlErr = curl_error($ch);
curl_close($ch);
if ($text === false || $httpCode >= 400) {
$text = null;
}
}
if ($text === null) {
// Serve stale cache if possible
if (is_file($cacheFile)) {
$cached = json_decode(@file_get_contents($cacheFile), true);
if (is_array($cached)) {
$cached['meta']['upstreamError'] = $curlErr ?: "Upstream fetch failed (HTTP $httpCode)";
$cached['meta']['upstream'] = $url;
$emitCache($cached, false);
}
}
http_response_code(502);
echo json_encode([
'error' => 'Failed to fetch TLEs from upstream',
'meta' => [
'group' => $group,
'upstream' => $url,
'httpCode' => $httpCode,
'curlError' => $curlErr,
'serverMs' => (int)round((microtime(true) - $start) * 1000),
]
], JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
exit;
}
$parsed = parseTleText($text);
$fetchedAtUtc = gmdate('Y-m-d H:i:s');
$out = [
'meta' => [
'source' => 'CelesTrak',
'group' => $group,
'groupName' => $allowed[$group]['name'],
'upstream' => $url,
'cached' => false,
'fetchedAtUtc' => $fetchedAtUtc,
'cacheTtlSeconds' => $ttlSeconds,
'count' => count($parsed),
'upstreamHttpCode' => $httpCode,
'serverMs' => (int)round((microtime(true) - $start) * 1000),
],
'satellites' => $parsed
];
@file_put_contents($cacheFile, json_encode($out, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES));
header('Cache-Control: public, max-age=60');
echo json_encode($out, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
// ---- Helpers ----
function parseTleText(string $text): array {
// TLE sets are typically name line + line1 + line2.[6](https://celestrak.org/norad/documentation/tle-fmt.php)
$lines = preg_split("/\r\n|\n|\r/", trim($text));
$lines = array_values(array_filter($lines, fn($l) => trim($l) !== ''));
$out = [];
$i = 0;
while ($i < count($lines)) {
$name = trim($lines[$i] ?? '');
$l1 = trim($lines[$i+1] ?? '');
$l2 = trim($lines[$i+2] ?? '');
if ($name !== '' && $l1 !== '' && $l2 !== '' && $l1[0] === '1' && $l2[0] === '2') {
// NORAD number is columns 03-07 in line 1.[6](https://celestrak.org/norad/documentation/tle-fmt.php)
$norad = trim(substr($l1, 2, 5));
if ($norad === '') $norad = '0';
// Epoch year/day are in line1 columns 19-32.[6](https://celestrak.org/norad/documentation/tle-fmt.php)
$epochRaw = trim(substr($l1, 18, 14));
$epochStr = epochToIso($epochRaw);
$out[] = [
'name' => $name,
'norad' => $norad,
'line1' => $l1,
'line2' => $l2,
'epoch' => $epochStr
];
$i += 3;
continue;
}
$i += 1;
}
return $out;
}
function epochToIso(string $epochRaw): ?string {
if ($epochRaw === '' || !preg_match('/^(\d{2})(\d{3}\.\d+)$/', $epochRaw, $m)) return null;
$yy = intval($m[1], 10);
$day = floatval($m[2]);
$year = ($yy >= 57) ? (1900 + $yy) : (2000 + $yy);
$dayInt = (int)floor($day);
$frac = $day - $dayInt;
$dt = new DateTime("$year-01-01 00:00:00", new DateTimeZone("UTC"));
$dt->modify('+' . ($dayInt - 1) . ' days');
$seconds = (int)round($frac * 86400);
$dt->modify('+' . $seconds . ' seconds');
return $dt->format('Y-m-d H:i:s');
}