| 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: | 871.3821 | Year |
| End-Year: | 3178.6179 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STF1985 |
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| 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 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Izm2019 | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 6.057 355.84 -------------------------- 871.38 12.800 81.41 881.38 12.823 81.76 891.38 12.845 82.10 901.38 12.865 82.44 911.38 12.883 82.78 921.38 12.900 83.12 931.38 12.915 83.45 941.38 12.928 83.79 951.38 12.939 84.13 961.38 12.948 84.46 971.38 12.955 84.80 981.38 12.960 85.13 991.38 12.964 85.47 1001.38 12.965 85.80 1011.38 12.963 86.14 1021.38 12.960 86.47 1031.38 12.955 86.81 1041.38 12.947 87.14 1051.38 12.937 87.48 1061.38 12.924 87.82 1071.38 12.909 88.15 1081.38 12.891 88.49 1091.38 12.871 88.83 1101.38 12.848 89.17 1111.38 12.822 89.51 1121.38 12.793 89.86 1131.38 12.762 90.20 1141.38 12.727 90.55 1151.38 12.690 90.89 1161.38 12.649 91.25 1171.38 12.605 91.60 1181.38 12.557 91.95 1191.38 12.506 92.31 1201.38 12.452 92.67 1211.38 12.393 93.04 1221.38 12.331 93.41 1231.38 12.265 93.78 1241.38 12.194 94.15 1251.38 12.120 94.53 1261.38 12.040 94.92 1271.38 11.957 95.31 1281.38 11.868 95.71 1291.38 11.774 96.11 1301.38 11.675 96.52 1311.38 11.571 96.94 1321.38 11.461 97.36 1331.38 11.345 97.79 1341.38 11.223 98.23 1351.38 11.094 98.69 1361.38 10.958 99.15 1371.38 10.815 99.62 1381.38 10.664 100.11 1391.38 10.505 100.61 1401.38 10.338 101.13 1411.38 10.161 101.67 1421.38 9.975 102.22 1431.38 9.778 102.80 1441.38 9.570 103.40 1451.38 9.351 104.03 1461.38 9.118 104.69 1471.38 8.872 105.38 1481.38 8.610 106.12 1491.38 8.332 106.90 1501.38 8.037 107.74 1511.38 7.721 108.65 1521.38 7.384 109.64 1531.38 7.023 110.72 1541.38 6.634 111.93 1551.38 6.216 113.29 1561.38 5.763 114.86 1571.38 5.271 116.71 1581.38 4.734 118.96 1591.38 4.148 121.82 1601.38 3.507 125.68 1611.38 2.811 131.37 1621.38 2.073 141.01 1631.38 1.368 161.07 1641.38 1.003 206.09 1651.38 1.365 251.15 1661.38 2.041 271.51 1671.38 2.701 281.66 1681.38 3.265 288.01 1691.38 3.726 292.61 1701.38 4.100 296.28 1711.38 4.403 299.39 1721.38 4.649 302.13 1731.38 4.851 304.62 1741.38 5.018 306.93 1751.38 5.156 309.10 1761.38 5.271 311.17 1771.38 5.367 313.16 1781.38 5.448 315.08 1791.38 5.516 316.96 1801.38 5.573 318.79 1811.38 5.621 320.58 1821.38 5.662 322.35 1831.38 5.697 324.09 1841.38 5.727 325.82 1851.38 5.752 327.52 1861.38 5.775 329.22 1871.38 5.795 330.90 1881.38 5.812 332.57 1891.38 5.829 334.23 1901.38 5.844 335.88 1911.38 5.858 337.52 1921.38 5.872 339.16 1931.38 5.886 340.79 1941.38 5.900 342.41 1951.38 5.915 344.02 1961.38 5.930 345.62 1971.38 5.946 347.22 1981.38 5.963 348.81 1991.38 5.982 350.38 2001.38 6.001 351.95 2011.38 6.022 353.51 2021.38 6.044 355.05 2031.38 6.068 356.59 2041.38 6.094 358.11 2051.38 6.121 359.62 2061.38 6.150 1.11 2071.38 6.181 2.59 2081.38 6.213 4.06 2091.38 6.247 5.51 2101.38 6.283 6.94 2111.38 6.321 8.36 2121.38 6.361 9.76 2131.38 6.402 11.14 2141.38 6.445 12.50 2151.38 6.490 13.85 2161.38 6.536 15.17 2171.38 6.584 16.48 2181.38 6.633 17.77 2191.38 6.685 19.04 2201.38 6.737 20.29 2211.38 6.791 21.52 2221.38 6.847 22.73 2231.38 6.904 23.92 2241.38 6.962 25.09 2251.38 7.022 26.24 2261.38 7.082 27.37 2271.38 7.144 28.48 2281.38 7.208 29.57 2291.38 7.272 30.65 2301.38 7.337 31.70 2311.38 7.403 32.74 2321.38 7.470 33.75 2331.38 7.538 34.75 2341.38 7.607 35.73 2351.38 7.677 36.70 2361.38 7.747 37.64 2371.38 7.818 38.57 2381.38 7.890 39.48 2391.38 7.962 40.38 2401.38 8.035 41.26 2411.38 8.109 42.12 2421.38 8.183 42.97 2431.38 8.257 43.80 2441.38 8.331 44.62 2451.38 8.406 45.42 2461.38 8.482 46.21 2471.38 8.557 46.99 2481.38 8.633 47.75 2491.38 8.709 48.50 2501.38 8.785 49.23 2511.38 8.861 49.96 2521.38 8.937 50.67 2531.38 9.014 51.37 2541.38 9.090 52.05 2551.38 9.166 52.73 2561.38 9.242 53.39 2571.38 9.319 54.05 2581.38 9.395 54.69 2591.38 9.470 55.32 2601.38 9.546 55.94 2611.38 9.622 56.55 2621.38 9.697 57.16 2631.38 9.772 57.75 2641.38 9.847 58.34 2651.38 9.921 58.91 2661.38 9.995 59.48 2671.38 10.069 60.04 2681.38 10.142 60.59 2691.38 10.215 61.13 2701.38 10.287 61.67 2711.38 10.359 62.20 2721.38 10.431 62.72 2731.38 10.502 63.23 2741.38 10.572 63.74 2751.38 10.642 64.24 2761.38 10.711 64.73 2771.38 10.780 65.22 2781.38 10.848 65.70 2791.38 10.916 66.17 2801.38 10.982 66.64 2811.38 11.048 67.11 2821.38 11.114 67.56 2831.38 11.178 68.02 2841.38 11.242 68.47 2851.38 11.305 68.91 2861.38 11.368 69.35 2871.38 11.429 69.78 2881.38 11.490 70.21 2891.38 11.550 70.63 2901.38 11.609 71.05 2911.38 11.667 71.47 2921.38 11.724 71.88 2931.38 11.780 72.28 2941.38 11.835 72.69 2951.38 11.889 73.09 2961.38 11.942 73.48 2971.38 11.994 73.88 2981.38 12.045 74.27 2991.38 12.095 74.65 3001.38 12.144 75.04 3011.38 12.192 75.42 3021.38 12.238 75.79 3031.38 12.284 76.17 3041.38 12.328 76.54 3051.38 12.371 76.91 3061.38 12.413 77.27 3071.38 12.453 77.64 3081.38 12.492 78.00 3091.38 12.530 78.36 3101.38 12.567 78.72 3111.38 12.602 79.07 3121.38 12.635 79.42 3131.38 12.668 79.78 3141.38 12.698 80.13 3151.38 12.728 80.47 3161.38 12.756 80.82 3171.38 12.782 81.17
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:21:19 |