| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:22:33 |
| WDS: | STF2804AB | WDS ID/Discoverer |
| P: | 2154.708 | Orbital period (years) |
| a: | 11.66817 | Semi-major axis (arcseconds) |
| i: | 77.8 | Inclination (degrees) |
| Ω: | 84.414 | Longitude of ascending node (degrees) |
| T: | 1630.203 | Epoch of periastron passage (year) |
| e: | 0.90363 | Eccentricity |
| ω: | 107.981 | Longitude of periastron (degrees) |
| Start-Year: | 948.0 | Year |
| End-Year: | 3102.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 213258.30+204244.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 21330+2043 | WDS designation |
| Discoverer Code: | STF2804AB | Discover designation and components |
| ADS number: | 15076 | Aitken Double Star catalog |
| HD number: | 205160 | HD catalog number |
| Hipparcos number: | 106395 | Hipparcos catalog number |
| V1: | 7.70 | Magnitude of the primary |
| V2: | 8.04 | 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 3.368 0.0 ------------------------- 948.0 9.741 61.2 958.0 9.757 61.5 968.0 9.771 61.7 978.0 9.783 61.9 988.0 9.794 62.1 998.0 9.804 62.3 1008.0 9.812 62.5 1018.0 9.818 62.8 1028.0 9.822 63.0 1038.0 9.825 63.2 1048.0 9.826 63.4 1058.0 9.826 63.6 1068.0 9.823 63.8 1078.0 9.819 64.0 1088.0 9.812 64.2 1098.0 9.804 64.5 1108.0 9.794 64.7 1118.0 9.781 64.9 1128.0 9.767 65.1 1138.0 9.750 65.3 1148.0 9.731 65.5 1158.0 9.710 65.8 1168.0 9.686 66.0 1178.0 9.660 66.2 1188.0 9.632 66.4 1198.0 9.600 66.6 1208.0 9.566 66.9 1218.0 9.530 67.1 1228.0 9.490 67.3 1238.0 9.448 67.5 1248.0 9.402 67.8 1258.0 9.353 68.0 1268.0 9.301 68.3 1278.0 9.246 68.5 1288.0 9.187 68.7 1298.0 9.124 69.0 1308.0 9.057 69.2 1318.0 8.986 69.5 1328.0 8.911 69.7 1338.0 8.832 70.0 1348.0 8.748 70.3 1358.0 8.658 70.5 1368.0 8.564 70.8 1378.0 8.464 71.1 1388.0 8.358 71.4 1398.0 8.246 71.7 1408.0 8.128 72.0 1418.0 8.002 72.3 1428.0 7.869 72.6 1438.0 7.728 73.0 1448.0 7.578 73.3 1458.0 7.418 73.7 1468.0 7.248 74.1 1478.0 7.067 74.5 1488.0 6.873 74.9 1498.0 6.665 75.4 1508.0 6.441 75.8 1518.0 6.200 76.3 1528.0 5.939 76.9 1538.0 5.654 77.5 1548.0 5.341 78.2 1558.0 4.995 79.0 1568.0 4.609 79.9 1578.0 4.170 80.9 1588.0 3.663 82.3 1598.0 3.061 84.1 1608.0 2.317 87.0 1618.0 1.341 93.4 1628.0 0.244 180.2 1638.0 1.299 260.1 1648.0 1.982 267.7 1658.0 2.352 272.0 1668.0 2.575 275.4 1678.0 2.716 278.4 1688.0 2.808 281.0 1698.0 2.868 283.6 1708.0 2.906 286.1 1718.0 2.928 288.5 1728.0 2.940 290.9 1738.0 2.943 293.3 1748.0 2.940 295.6 1758.0 2.934 298.0 1768.0 2.925 300.4 1778.0 2.915 302.8 1788.0 2.905 305.3 1798.0 2.894 307.7 1808.0 2.885 310.2 1818.0 2.877 312.7 1828.0 2.871 315.1 1838.0 2.867 317.7 1848.0 2.866 320.2 1858.0 2.868 322.7 1868.0 2.872 325.2 1878.0 2.880 327.7 1888.0 2.891 330.1 1898.0 2.906 332.6 1908.0 2.924 335.0 1918.0 2.945 337.4 1928.0 2.970 339.7 1938.0 2.998 342.1 1948.0 3.029 344.3 1958.0 3.063 346.5 1968.0 3.101 348.7 1978.0 3.141 350.8 1988.0 3.185 352.9 1998.0 3.231 354.9 2008.0 3.280 356.8 2018.0 3.331 358.7 2028.0 3.384 0.5 2038.0 3.440 2.3 2048.0 3.498 4.0 2058.0 3.558 5.7 2068.0 3.619 7.3 2078.0 3.682 8.8 2088.0 3.747 10.3 2098.0 3.813 11.8 2108.0 3.881 13.1 2118.0 3.950 14.5 2128.0 4.020 15.8 2138.0 4.090 17.0 2148.0 4.162 18.2 2158.0 4.235 19.4 2168.0 4.308 20.5 2178.0 4.383 21.6 2188.0 4.457 22.7 2198.0 4.533 23.7 2208.0 4.608 24.7 2218.0 4.684 25.6 2228.0 4.761 26.6 2238.0 4.838 27.5 2248.0 4.915 28.3 2258.0 4.992 29.2 2268.0 5.069 30.0 2278.0 5.147 30.8 2288.0 5.224 31.5 2298.0 5.302 32.3 2308.0 5.379 33.0 2318.0 5.457 33.7 2328.0 5.534 34.4 2338.0 5.612 35.0 2348.0 5.689 35.7 2358.0 5.766 36.3 2368.0 5.842 36.9 2378.0 5.919 37.5 2388.0 5.995 38.1 2398.0 6.071 38.7 2408.0 6.147 39.2 2418.0 6.222 39.8 2428.0 6.297 40.3 2438.0 6.371 40.8 2448.0 6.446 41.3 2458.0 6.519 41.8 2468.0 6.593 42.3 2478.0 6.666 42.7 2488.0 6.738 43.2 2498.0 6.810 43.6 2508.0 6.881 44.1 2518.0 6.952 44.5 2528.0 7.023 44.9 2538.0 7.093 45.4 2548.0 7.162 45.8 2558.0 7.231 46.2 2568.0 7.299 46.5 2578.0 7.367 46.9 2588.0 7.434 47.3 2598.0 7.500 47.7 2608.0 7.566 48.0 2618.0 7.631 48.4 2628.0 7.695 48.7 2638.0 7.759 49.1 2648.0 7.822 49.4 2658.0 7.884 49.8 2668.0 7.946 50.1 2678.0 8.007 50.4 2688.0 8.067 50.7 2698.0 8.126 51.0 2708.0 8.185 51.4 2718.0 8.243 51.7 2728.0 8.300 52.0 2738.0 8.356 52.3 2748.0 8.412 52.6 2758.0 8.466 52.8 2768.0 8.520 53.1 2778.0 8.573 53.4 2788.0 8.625 53.7 2798.0 8.676 54.0 2808.0 8.727 54.2 2818.0 8.776 54.5 2828.0 8.825 54.8 2838.0 8.872 55.0 2848.0 8.919 55.3 2858.0 8.965 55.6 2868.0 9.009 55.8 2878.0 9.053 56.1 2888.0 9.096 56.3 2898.0 9.138 56.6 2908.0 9.178 56.8 2918.0 9.218 57.0 2928.0 9.257 57.3 2938.0 9.294 57.5 2948.0 9.331 57.8 2958.0 9.366 58.0 2968.0 9.400 58.2 2978.0 9.433 58.5 2988.0 9.465 58.7 2998.0 9.496 58.9 3008.0 9.525 59.2 3018.0 9.554 59.4 3028.0 9.581 59.6 3038.0 9.607 59.8 3048.0 9.631 60.0 3058.0 9.654 60.3 3068.0 9.676 60.5 3078.0 9.697 60.7 3088.0 9.716 60.9 3098.0 9.733 61.1