| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:32:40 |
| WDS: | STF202AB | WDS ID/Discoverer |
| P: | 3267.400 | Orbital period (years) |
| a: | 7.4 | Semi-major axis (arcseconds) |
| i: | 113.4 | Inclination (degrees) |
| Ω: | 3.7 | Longitude of ascending node (degrees) |
| T: | 2188.580 | Epoch of periastron passage (year) |
| e: | 0.465 | Eccentricity |
| ω: | 147.9 | Longitude of periastron (degrees) |
| Start-Year: | 392.0 | Year |
| End-Year: | 3658.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 020202.80+024549.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 02020+0246 | WDS designation |
| Discoverer Code: | STF202AB | Discover designation and components |
| ADS number: | 1615 | Aitken Double Star catalog |
| HD number: | 12446 | HD catalog number |
| Hipparcos number: | 9487 | Hipparcos catalog number |
| V1: | 4.10 | Magnitude of the primary |
| V2: | 5.17 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2015 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | n | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 1.848 257.0 ------------------------- 392.0 8.734 21.9 402.0 8.786 21.6 412.0 8.837 21.3 422.0 8.887 21.0 432.0 8.936 20.8 442.0 8.984 20.5 452.0 9.031 20.2 462.0 9.077 20.0 472.0 9.123 19.7 482.0 9.167 19.5 492.0 9.211 19.2 502.0 9.254 19.0 512.0 9.296 18.7 522.0 9.336 18.5 532.0 9.376 18.2 542.0 9.415 18.0 552.0 9.454 17.8 562.0 9.491 17.5 572.0 9.527 17.3 582.0 9.562 17.1 592.0 9.596 16.8 602.0 9.630 16.6 612.0 9.662 16.4 622.0 9.693 16.1 632.0 9.724 15.9 642.0 9.753 15.7 652.0 9.781 15.5 662.0 9.809 15.2 672.0 9.835 15.0 682.0 9.860 14.8 692.0 9.884 14.6 702.0 9.908 14.4 712.0 9.930 14.2 722.0 9.951 13.9 732.0 9.971 13.7 742.0 9.990 13.5 752.0 10.008 13.3 762.0 10.024 13.1 772.0 10.040 12.9 782.0 10.055 12.7 792.0 10.068 12.5 802.0 10.081 12.3 812.0 10.092 12.0 822.0 10.102 11.8 832.0 10.111 11.6 842.0 10.119 11.4 852.0 10.126 11.2 862.0 10.132 11.0 872.0 10.136 10.8 882.0 10.140 10.6 892.0 10.142 10.4 902.0 10.143 10.2 912.0 10.142 10.0 922.0 10.141 9.8 932.0 10.138 9.6 942.0 10.135 9.4 952.0 10.130 9.2 962.0 10.123 8.9 972.0 10.116 8.7 982.0 10.107 8.5 992.0 10.097 8.3 1002.0 10.086 8.1 1012.0 10.073 7.9 1022.0 10.059 7.7 1032.0 10.044 7.5 1042.0 10.028 7.3 1052.0 10.010 7.1 1062.0 9.991 6.9 1072.0 9.971 6.6 1082.0 9.949 6.4 1092.0 9.926 6.2 1102.0 9.901 6.0 1112.0 9.876 5.8 1122.0 9.848 5.6 1132.0 9.820 5.3 1142.0 9.790 5.1 1152.0 9.758 4.9 1162.0 9.726 4.7 1172.0 9.691 4.4 1182.0 9.656 4.2 1192.0 9.619 4.0 1202.0 9.580 3.8 1212.0 9.540 3.5 1222.0 9.498 3.3 1232.0 9.455 3.1 1242.0 9.411 2.8 1252.0 9.365 2.6 1262.0 9.317 2.3 1272.0 9.268 2.1 1282.0 9.217 1.8 1292.0 9.165 1.6 1302.0 9.111 1.3 1312.0 9.056 1.1 1322.0 8.998 0.8 1332.0 8.940 0.6 1342.0 8.879 0.3 1352.0 8.817 0.0 1362.0 8.754 359.7 1372.0 8.688 359.5 1382.0 8.621 359.2 1392.0 8.552 358.9 1402.0 8.482 358.6 1412.0 8.410 358.3 1422.0 8.336 358.0 1432.0 8.260 357.7 1442.0 8.183 357.4 1452.0 8.103 357.1 1462.0 8.022 356.7 1472.0 7.939 356.4 1482.0 7.855 356.1 1492.0 7.768 355.7 1502.0 7.680 355.4 1512.0 7.589 355.0 1522.0 7.497 354.6 1532.0 7.403 354.2 1542.0 7.307 353.8 1552.0 7.209 353.4 1562.0 7.110 353.0 1572.0 7.008 352.6 1582.0 6.904 352.2 1592.0 6.799 351.7 1602.0 6.691 351.2 1612.0 6.582 350.8 1622.0 6.470 350.3 1632.0 6.357 349.8 1642.0 6.242 349.2 1652.0 6.125 348.7 1662.0 6.006 348.1 1672.0 5.885 347.5 1682.0 5.762 346.9 1692.0 5.637 346.2 1702.0 5.510 345.5 1712.0 5.382 344.8 1722.0 5.252 344.1 1732.0 5.120 343.3 1742.0 4.986 342.4 1752.0 4.851 341.6 1762.0 4.714 340.6 1772.0 4.576 339.7 1782.0 4.436 338.6 1792.0 4.296 337.5 1802.0 4.154 336.3 1812.0 4.011 335.0 1822.0 3.868 333.7 1832.0 3.724 332.2 1842.0 3.580 330.6 1852.0 3.437 328.9 1862.0 3.294 327.0 1872.0 3.151 325.0 1882.0 3.011 322.7 1892.0 2.873 320.3 1902.0 2.738 317.6 1912.0 2.607 314.6 1922.0 2.480 311.3 1932.0 2.361 307.7 1942.0 2.249 303.7 1952.0 2.146 299.3 1962.0 2.055 294.5 1972.0 1.977 289.2 1982.0 1.913 283.6 1992.0 1.867 277.7 2002.0 1.839 271.5 2012.0 1.831 265.2 2022.0 1.841 258.9 2032.0 1.871 252.7 2042.0 1.918 246.8 2052.0 1.982 241.2 2062.0 2.059 236.0 2072.0 2.148 231.2 2082.0 2.247 226.8 2092.0 2.353 222.8 2102.0 2.465 219.1 2112.0 2.580 215.8 2122.0 2.699 212.7 2132.0 2.818 210.0 2142.0 2.936 207.4 2152.0 3.054 205.0 2162.0 3.169 202.8 2172.0 3.280 200.8 2182.0 3.388 198.9 2192.0 3.491 197.1 2202.0 3.589 195.4 2212.0 3.681 193.8 2222.0 3.767 192.3 2232.0 3.847 190.8 2242.0 3.920 189.4 2252.0 3.986 188.0 2262.0 4.046 186.7 2272.0 4.099 185.4 2282.0 4.145 184.2 2292.0 4.184 183.0 2302.0 4.216 181.8 2312.0 4.242 180.6 2322.0 4.261 179.4 2332.0 4.275 178.2 2342.0 4.282 177.1 2352.0 4.284 175.9 2362.0 4.281 174.8 2372.0 4.272 173.6 2382.0 4.259 172.4 2392.0 4.241 171.3 2402.0 4.219 170.1 2412.0 4.193 168.9 2422.0 4.164 167.7 2432.0 4.131 166.4 2442.0 4.095 165.2 2452.0 4.057 163.9 2462.0 4.016 162.6 2472.0 3.973 161.3 2482.0 3.928 159.9 2492.0 3.882 158.5 2502.0 3.834 157.1 2512.0 3.786 155.6 2522.0 3.737 154.1 2532.0 3.687 152.6 2542.0 3.637 151.0 2552.0 3.587 149.4 2562.0 3.538 147.7 2572.0 3.489 146.0 2582.0 3.441 144.2 2592.0 3.394 142.4 2602.0 3.349 140.6 2612.0 3.305 138.6 2622.0 3.263 136.7 2632.0 3.223 134.6 2642.0 3.185 132.6 2652.0 3.150 130.5 2662.0 3.117 128.3 2672.0 3.088 126.1 2682.0 3.062 123.9 2692.0 3.039 121.6 2702.0 3.020 119.3 2712.0 3.004 116.9 2722.0 2.992 114.6 2732.0 2.984 112.2 2742.0 2.980 109.8 2752.0 2.980 107.4 2762.0 2.983 105.0 2772.0 2.991 102.6 2782.0 3.003 100.3 2792.0 3.020 97.9 2802.0 3.039 95.6 2812.0 3.063 93.4 2822.0 3.091 91.1 2832.0 3.122 88.9 2842.0 3.157 86.8 2852.0 3.195 84.7 2862.0 3.236 82.6 2872.0 3.281 80.6 2882.0 3.328 78.7 2892.0 3.379 76.8 2902.0 3.432 75.0 2912.0 3.487 73.2 2922.0 3.545 71.5 2932.0 3.605 69.8 2942.0 3.667 68.2 2952.0 3.730 66.6 2962.0 3.796 65.1 2972.0 3.863 63.7 2982.0 3.932 62.3 2992.0 4.002 61.0 3002.0 4.073 59.7 3012.0 4.145 58.4 3022.0 4.219 57.2 3032.0 4.293 56.0 3042.0 4.368 54.9 3052.0 4.444 53.8 3062.0 4.520 52.7 3072.0 4.598 51.7 3082.0 4.675 50.7 3092.0 4.753 49.8 3102.0 4.832 48.8 3112.0 4.911 48.0 3122.0 4.990 47.1 3132.0 5.069 46.2 3142.0 5.148 45.4 3152.0 5.227 44.6 3162.0 5.307 43.9 3172.0 5.386 43.1 3182.0 5.466 42.4 3192.0 5.545 41.7 3202.0 5.624 41.0 3212.0 5.703 40.4 3222.0 5.782 39.7 3232.0 5.861 39.1 3242.0 5.939 38.5 3252.0 6.018 37.9 3262.0 6.095 37.3 3272.0 6.173 36.8 3282.0 6.250 36.2 3292.0 6.327 35.7 3302.0 6.403 35.2 3312.0 6.479 34.6 3322.0 6.554 34.1 3332.0 6.629 33.7 3342.0 6.704 33.2 3352.0 6.778 32.7 3362.0 6.851 32.3 3372.0 6.924 31.8 3382.0 6.996 31.4 3392.0 7.068 30.9 3402.0 7.139 30.5 3412.0 7.210 30.1 3422.0 7.280 29.7 3432.0 7.349 29.3 3442.0 7.418 28.9 3452.0 7.486 28.5 3462.0 7.554 28.2 3472.0 7.620 27.8 3482.0 7.686 27.4 3492.0 7.752 27.1 3502.0 7.816 26.7 3512.0 7.880 26.4 3522.0 7.944 26.0 3532.0 8.006 25.7 3542.0 8.068 25.4 3552.0 8.129 25.1 3562.0 8.189 24.7 3572.0 8.249 24.4 3582.0 8.307 24.1 3592.0 8.365 23.8 3602.0 8.422 23.5 3612.0 8.479 23.2 3622.0 8.534 22.9 3632.0 8.589 22.6 3642.0 8.643 22.3 3652.0 8.696 22.1