| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:35:12 |
| WDS: | STF1985 | WDS ID/Discoverer |
| P: | 2307.236 | Orbital period (years) |
| a: | 12.59388 | Semi-major axis (arcseconds) |
| i: | 68.192 | Inclination (degrees) |
| Ω: | 112.512 | Longitude of ascending node (degrees) |
| T: | 1650.013 | Epoch of periastron passage (year) |
| e: | 0.7909 | Eccentricity |
| ω: | 109.886 | Longitude of periastron (degrees) |
| Start-Year: | 872.0 | Year |
| End-Year: | 3178.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 155554.63-020951.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 15559-0210 | WDS designation |
| Discoverer Code: | STF1985 | Discover designation and components |
| ADS number: | 9842 | Aitken Double Star catalog |
| HD number: | 142661 | HD catalog number |
| Hipparcos number: | 78024 | Hipparcos catalog number |
| V1: | 7.03 | Magnitude of the primary |
| V2: | 8.65 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | Date of last observation |
| Orbit grade: | 5 | 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 6.053 355.6 ------------------------- 872.0 12.801 81.4 882.0 12.824 81.8 892.0 12.846 82.1 902.0 12.866 82.5 912.0 12.884 82.8 922.0 12.901 83.1 932.0 12.916 83.5 942.0 12.928 83.8 952.0 12.939 84.1 962.0 12.948 84.5 972.0 12.956 84.8 982.0 12.961 85.2 992.0 12.964 85.5 1002.0 12.965 85.8 1012.0 12.963 86.2 1022.0 12.960 86.5 1032.0 12.954 86.8 1042.0 12.946 87.2 1052.0 12.936 87.5 1062.0 12.923 87.8 1072.0 12.908 88.2 1082.0 12.890 88.5 1092.0 12.869 88.9 1102.0 12.846 89.2 1112.0 12.820 89.5 1122.0 12.792 89.9 1132.0 12.760 90.2 1142.0 12.725 90.6 1152.0 12.687 90.9 1162.0 12.646 91.3 1172.0 12.602 91.6 1182.0 12.554 92.0 1192.0 12.503 92.3 1202.0 12.448 92.7 1212.0 12.389 93.1 1222.0 12.327 93.4 1232.0 12.260 93.8 1242.0 12.190 94.2 1252.0 12.115 94.6 1262.0 12.035 94.9 1272.0 11.951 95.3 1282.0 11.862 95.7 1292.0 11.768 96.1 1302.0 11.669 96.5 1312.0 11.564 97.0 1322.0 11.454 97.4 1332.0 11.338 97.8 1342.0 11.215 98.3 1352.0 11.086 98.7 1362.0 10.949 99.2 1372.0 10.806 99.7 1382.0 10.655 100.1 1392.0 10.495 100.6 1402.0 10.327 101.2 1412.0 10.150 101.7 1422.0 9.963 102.3 1432.0 9.766 102.8 1442.0 9.557 103.4 1452.0 9.337 104.1 1462.0 9.103 104.7 1472.0 8.856 105.4 1482.0 8.594 106.2 1492.0 8.315 107.0 1502.0 8.018 107.8 1512.0 7.701 108.7 1522.0 7.363 109.7 1532.0 7.000 110.8 1542.0 6.609 112.0 1552.0 6.189 113.4 1562.0 5.733 115.0 1572.0 5.239 116.8 1582.0 4.700 119.1 1592.0 4.110 122.0 1602.0 3.466 126.0 1612.0 2.766 131.8 1622.0 2.027 141.8 1632.0 1.331 163.0 1642.0 1.005 209.5 1652.0 1.403 253.0 1662.0 2.083 272.3 1672.0 2.739 282.1 1682.0 3.296 288.3 1692.0 3.752 292.9 1702.0 4.121 296.5 1712.0 4.419 299.6 1722.0 4.663 302.3 1732.0 4.863 304.8 1742.0 5.027 307.1 1752.0 5.164 309.2 1762.0 5.278 311.3 1772.0 5.373 313.3 1782.0 5.452 315.2 1792.0 5.519 317.1 1802.0 5.576 318.9 1812.0 5.624 320.7 1822.0 5.664 322.5 1832.0 5.699 324.2 1842.0 5.728 325.9 1852.0 5.754 327.6 1862.0 5.776 329.3 1872.0 5.796 331.0 1882.0 5.813 332.7 1892.0 5.829 334.3 1902.0 5.845 336.0 1912.0 5.859 337.6 1922.0 5.873 339.3 1932.0 5.887 340.9 1942.0 5.901 342.5 1952.0 5.916 344.1 1962.0 5.931 345.7 1972.0 5.947 347.3 1982.0 5.964 348.9 1992.0 5.983 350.5 2002.0 6.002 352.0 2012.0 6.023 353.6 2022.0 6.046 355.1 2032.0 6.070 356.7 2042.0 6.096 358.2 2052.0 6.123 359.7 2062.0 6.152 1.2 2072.0 6.183 2.7 2082.0 6.215 4.1 2092.0 6.250 5.6 2102.0 6.286 7.0 2112.0 6.324 8.4 2122.0 6.363 9.8 2132.0 6.405 11.2 2142.0 6.448 12.6 2152.0 6.492 13.9 2162.0 6.539 15.3 2172.0 6.587 16.6 2182.0 6.637 17.8 2192.0 6.688 19.1 2202.0 6.741 20.4 2212.0 6.795 21.6 2222.0 6.850 22.8 2232.0 6.907 24.0 2242.0 6.966 25.2 2252.0 7.025 26.3 2262.0 7.086 27.4 2272.0 7.148 28.5 2282.0 7.212 29.6 2292.0 7.276 30.7 2302.0 7.341 31.8 2312.0 7.407 32.8 2322.0 7.475 33.8 2332.0 7.543 34.8 2342.0 7.612 35.8 2352.0 7.681 36.8 2362.0 7.752 37.7 2372.0 7.823 38.6 2382.0 7.895 39.5 2392.0 7.967 40.4 2402.0 8.040 41.3 2412.0 8.113 42.2 2422.0 8.187 43.0 2432.0 8.261 43.9 2442.0 8.336 44.7 2452.0 8.411 45.5 2462.0 8.486 46.3 2472.0 8.562 47.0 2482.0 8.638 47.8 2492.0 8.713 48.5 2502.0 8.790 49.3 2512.0 8.866 50.0 2522.0 8.942 50.7 2532.0 9.018 51.4 2542.0 9.095 52.1 2552.0 9.171 52.8 2562.0 9.247 53.4 2572.0 9.323 54.1 2582.0 9.399 54.7 2592.0 9.475 55.4 2602.0 9.551 56.0 2612.0 9.626 56.6 2622.0 9.701 57.2 2632.0 9.776 57.8 2642.0 9.851 58.4 2652.0 9.926 58.9 2662.0 10.000 59.5 2672.0 10.073 60.1 2682.0 10.147 60.6 2692.0 10.219 61.2 2702.0 10.292 61.7 2712.0 10.364 62.2 2722.0 10.435 62.7 2732.0 10.506 63.3 2742.0 10.577 63.8 2752.0 10.646 64.3 2762.0 10.716 64.8 2772.0 10.784 65.2 2782.0 10.852 65.7 2792.0 10.920 66.2 2802.0 10.986 66.7 2812.0 11.053 67.1 2822.0 11.118 67.6 2832.0 11.182 68.0 2842.0 11.246 68.5 2852.0 11.309 68.9 2862.0 11.372 69.4 2872.0 11.433 69.8 2882.0 11.494 70.2 2892.0 11.553 70.7 2902.0 11.612 71.1 2912.0 11.670 71.5 2922.0 11.727 71.9 2932.0 11.783 72.3 2942.0 11.838 72.7 2952.0 11.892 73.1 2962.0 11.945 73.5 2972.0 11.997 73.9 2982.0 12.048 74.3 2992.0 12.098 74.7 3002.0 12.147 75.1 3012.0 12.195 75.4 3022.0 12.241 75.8 3032.0 12.287 76.2 3042.0 12.331 76.6 3052.0 12.374 76.9 3062.0 12.415 77.3 3072.0 12.456 77.7 3082.0 12.495 78.0 3092.0 12.533 78.4 3102.0 12.569 78.7 3112.0 12.604 79.1 3122.0 12.638 79.4 3132.0 12.670 79.8 3142.0 12.700 80.1 3152.0 12.730 80.5 3162.0 12.757 80.8 3172.0 12.783 81.2