| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:16:15 |
| WDS: | STF2725AB | WDS ID/Discoverer |
| P: | 2107.918 | Orbital period (years) |
| a: | 10.81181 | Semi-major axis (arcseconds) |
| i: | 65.666 | Inclination (degrees) |
| Ω: | 129.316 | Longitude of ascending node (degrees) |
| T: | 1703.619 | Epoch of periastron passage (year) |
| e: | 0.94506 | Eccentricity |
| ω: | 92.31 | Longitude of periastron (degrees) |
| Start-Year: | 972.0 | Year |
| End-Year: | 3078.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 204613.31+155426.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20462+1554 | WDS designation |
| Discoverer Code: | STF2725AB | Discover designation and components |
| ADS number: | 14270 | Aitken Double Star catalog |
| HD number: | 197913 | HD catalog number |
| Hipparcos number: | 102490 | Hipparcos catalog number |
| V1: | 7.54 | Magnitude of the primary |
| V2: | 8.20 | Magnitude of the secondary |
| Equinox: | 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 6.232 12.2 ------------------------- 972.0 8.454 56.5 982.0 8.433 56.9 992.0 8.411 57.3 1002.0 8.389 57.7 1012.0 8.365 58.0 1022.0 8.341 58.4 1032.0 8.315 58.8 1042.0 8.289 59.2 1052.0 8.262 59.6 1062.0 8.234 60.0 1072.0 8.205 60.4 1082.0 8.175 60.8 1092.0 8.143 61.2 1102.0 8.111 61.6 1112.0 8.078 62.0 1122.0 8.044 62.4 1132.0 8.009 62.8 1142.0 7.972 63.3 1152.0 7.935 63.7 1162.0 7.896 64.1 1172.0 7.856 64.5 1182.0 7.816 65.0 1192.0 7.773 65.4 1202.0 7.730 65.9 1212.0 7.685 66.3 1222.0 7.640 66.8 1232.0 7.592 67.2 1242.0 7.544 67.7 1252.0 7.494 68.2 1262.0 7.443 68.7 1272.0 7.390 69.2 1282.0 7.336 69.7 1292.0 7.280 70.2 1302.0 7.223 70.7 1312.0 7.164 71.2 1322.0 7.103 71.7 1332.0 7.041 72.3 1342.0 6.976 72.8 1352.0 6.910 73.4 1362.0 6.843 73.9 1372.0 6.773 74.5 1382.0 6.701 75.1 1392.0 6.627 75.7 1402.0 6.550 76.3 1412.0 6.471 77.0 1422.0 6.390 77.6 1432.0 6.306 78.3 1442.0 6.220 79.0 1452.0 6.131 79.7 1462.0 6.038 80.4 1472.0 5.943 81.2 1482.0 5.844 81.9 1492.0 5.741 82.7 1502.0 5.635 83.6 1512.0 5.524 84.4 1522.0 5.409 85.3 1532.0 5.289 86.3 1542.0 5.164 87.2 1552.0 5.033 88.3 1562.0 4.896 89.4 1572.0 4.751 90.5 1582.0 4.599 91.8 1592.0 4.437 93.1 1602.0 4.266 94.5 1612.0 4.082 96.0 1622.0 3.884 97.7 1632.0 3.670 99.6 1642.0 3.433 101.8 1652.0 3.170 104.2 1662.0 2.869 107.2 1672.0 2.515 110.9 1682.0 2.074 116.0 1692.0 1.459 124.7 1702.0 0.365 169.0 1712.0 1.181 310.9 1722.0 1.838 322.8 1732.0 2.271 329.1 1742.0 2.607 333.7 1752.0 2.886 337.2 1762.0 3.129 340.2 1772.0 3.346 342.8 1782.0 3.543 345.0 1792.0 3.724 347.1 1802.0 3.892 348.9 1812.0 4.050 350.6 1822.0 4.199 352.2 1832.0 4.339 353.7 1842.0 4.473 355.1 1852.0 4.601 356.4 1862.0 4.723 357.6 1872.0 4.841 358.8 1882.0 4.954 359.9 1892.0 5.063 1.0 1902.0 5.168 2.0 1912.0 5.269 3.0 1922.0 5.368 3.9 1932.0 5.463 4.9 1942.0 5.555 5.7 1952.0 5.645 6.6 1962.0 5.733 7.4 1972.0 5.817 8.2 1982.0 5.900 9.0 1992.0 5.981 9.8 2002.0 6.059 10.5 2012.0 6.136 11.2 2022.0 6.210 12.0 2032.0 6.283 12.6 2042.0 6.354 13.3 2052.0 6.424 14.0 2062.0 6.491 14.6 2072.0 6.558 15.2 2082.0 6.622 15.9 2092.0 6.686 16.5 2102.0 6.748 17.1 2112.0 6.808 17.7 2122.0 6.867 18.2 2132.0 6.925 18.8 2142.0 6.982 19.4 2152.0 7.037 19.9 2162.0 7.091 20.4 2172.0 7.144 21.0 2182.0 7.196 21.5 2192.0 7.247 22.0 2202.0 7.297 22.5 2212.0 7.345 23.0 2222.0 7.393 23.5 2232.0 7.439 24.0 2242.0 7.485 24.5 2252.0 7.529 25.0 2262.0 7.573 25.4 2272.0 7.615 25.9 2282.0 7.657 26.4 2292.0 7.698 26.8 2302.0 7.737 27.3 2312.0 7.776 27.7 2322.0 7.814 28.2 2332.0 7.851 28.6 2342.0 7.887 29.0 2352.0 7.922 29.5 2362.0 7.957 29.9 2372.0 7.990 30.3 2382.0 8.023 30.7 2392.0 8.055 31.1 2402.0 8.086 31.6 2412.0 8.116 32.0 2422.0 8.146 32.4 2432.0 8.175 32.8 2442.0 8.203 33.2 2452.0 8.230 33.6 2462.0 8.256 34.0 2472.0 8.281 34.4 2482.0 8.306 34.8 2492.0 8.330 35.2 2502.0 8.354 35.5 2512.0 8.376 35.9 2522.0 8.398 36.3 2532.0 8.419 36.7 2542.0 8.439 37.1 2552.0 8.459 37.4 2562.0 8.477 37.8 2572.0 8.495 38.2 2582.0 8.513 38.6 2592.0 8.529 38.9 2602.0 8.545 39.3 2612.0 8.560 39.7 2622.0 8.575 40.0 2632.0 8.588 40.4 2642.0 8.601 40.8 2652.0 8.614 41.1 2662.0 8.625 41.5 2672.0 8.636 41.8 2682.0 8.646 42.2 2692.0 8.656 42.6 2702.0 8.664 42.9 2712.0 8.672 43.3 2722.0 8.680 43.6 2732.0 8.686 44.0 2742.0 8.692 44.4 2752.0 8.697 44.7 2762.0 8.702 45.1 2772.0 8.705 45.4 2782.0 8.708 45.8 2792.0 8.711 46.1 2802.0 8.712 46.5 2812.0 8.713 46.8 2822.0 8.713 47.2 2832.0 8.712 47.5 2842.0 8.711 47.9 2852.0 8.709 48.3 2862.0 8.706 48.6 2872.0 8.703 49.0 2882.0 8.698 49.3 2892.0 8.693 49.7 2902.0 8.687 50.0 2912.0 8.681 50.4 2922.0 8.674 50.7 2932.0 8.666 51.1 2942.0 8.657 51.5 2952.0 8.647 51.8 2962.0 8.637 52.2 2972.0 8.626 52.5 2982.0 8.614 52.9 2992.0 8.601 53.3 3002.0 8.587 53.6 3012.0 8.573 54.0 3022.0 8.558 54.4 3032.0 8.542 54.7 3042.0 8.525 55.1 3052.0 8.508 55.5 3062.0 8.489 55.8 3072.0 8.470 56.2