| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:20:34 |
| WDS: | STF1789 | WDS ID/Discoverer |
| P: | 2449.000 | Orbital period (years) |
| a: | 3.6 | Semi-major axis (arcseconds) |
| i: | 30.0 | Inclination (degrees) |
| Ω: | 148.0 | Longitude of ascending node (degrees) |
| T: | 1311.000 | Epoch of periastron passage (year) |
| e: | 0.93 | Eccentricity |
| ω: | 5.0 | Longitude of periastron (degrees) |
| Start-Year: | 801.0 | Year |
| End-Year: | 3249.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 135405.19+324935.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 13540+3249 | WDS designation |
| Discoverer Code: | STF1789 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 121298 | HD catalog number |
| Hipparcos number: | 63871 | Hipparcos catalog number |
| V1: | 8.63 | Magnitude of the primary |
| V2: | 8.97 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | Date of last observation | |
| Orbit grade: | 5 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 6.145 325.4 ------------------------- 801.0 5.253 343.1 811.0 5.201 343.4 821.0 5.149 343.6 831.0 5.095 343.8 841.0 5.040 344.1 851.0 4.984 344.3 861.0 4.927 344.6 871.0 4.869 344.8 881.0 4.810 345.1 891.0 4.750 345.3 901.0 4.688 345.6 911.0 4.626 345.9 921.0 4.562 346.2 931.0 4.496 346.5 941.0 4.430 346.8 951.0 4.362 347.1 961.0 4.292 347.4 971.0 4.221 347.7 981.0 4.149 348.1 991.0 4.075 348.4 1001.0 4.000 348.8 1011.0 3.923 349.2 1021.0 3.844 349.6 1031.0 3.764 350.0 1041.0 3.681 350.5 1051.0 3.597 350.9 1061.0 3.511 351.4 1071.0 3.423 351.9 1081.0 3.332 352.4 1091.0 3.240 353.0 1101.0 3.145 353.6 1111.0 3.047 354.2 1121.0 2.947 354.9 1131.0 2.845 355.6 1141.0 2.739 356.4 1151.0 2.630 357.2 1161.0 2.518 358.2 1171.0 2.402 359.2 1181.0 2.282 0.3 1191.0 2.159 1.5 1201.0 2.030 2.9 1211.0 1.897 4.5 1221.0 1.757 6.3 1231.0 1.612 8.4 1241.0 1.460 11.0 1251.0 1.299 14.2 1261.0 1.130 18.3 1271.0 0.949 24.0 1281.0 0.757 32.4 1291.0 0.554 46.8 1301.0 0.357 77.8 1311.0 0.252 152.3 1321.0 0.352 229.6 1331.0 0.562 260.5 1341.0 0.774 274.4 1351.0 0.973 282.4 1361.0 1.158 287.8 1371.0 1.332 291.7 1381.0 1.496 294.8 1391.0 1.651 297.2 1401.0 1.798 299.3 1411.0 1.940 301.0 1421.0 2.075 302.5 1431.0 2.205 303.8 1441.0 2.330 305.0 1451.0 2.451 306.1 1461.0 2.567 307.0 1471.0 2.681 307.9 1481.0 2.790 308.7 1491.0 2.897 309.5 1501.0 3.000 310.2 1511.0 3.100 310.8 1521.0 3.198 311.4 1531.0 3.293 312.0 1541.0 3.386 312.6 1551.0 3.477 313.1 1561.0 3.565 313.6 1571.0 3.652 314.0 1581.0 3.736 314.5 1591.0 3.818 314.9 1601.0 3.899 315.3 1611.0 3.977 315.7 1621.0 4.054 316.1 1631.0 4.130 316.4 1641.0 4.203 316.8 1651.0 4.276 317.1 1661.0 4.346 317.5 1671.0 4.415 317.8 1681.0 4.483 318.1 1691.0 4.550 318.4 1701.0 4.615 318.7 1711.0 4.678 318.9 1721.0 4.741 319.2 1731.0 4.802 319.5 1741.0 4.862 319.7 1751.0 4.921 320.0 1761.0 4.979 320.2 1771.0 5.035 320.5 1781.0 5.090 320.7 1791.0 5.145 321.0 1801.0 5.198 321.2 1811.0 5.250 321.4 1821.0 5.301 321.6 1831.0 5.351 321.8 1841.0 5.401 322.0 1851.0 5.449 322.2 1861.0 5.496 322.4 1871.0 5.542 322.6 1881.0 5.588 322.8 1891.0 5.632 323.0 1901.0 5.676 323.2 1911.0 5.718 323.4 1921.0 5.760 323.6 1931.0 5.801 323.8 1941.0 5.841 324.0 1951.0 5.880 324.1 1961.0 5.919 324.3 1971.0 5.956 324.5 1981.0 5.993 324.7 1991.0 6.029 324.8 2001.0 6.064 325.0 2011.0 6.098 325.1 2021.0 6.132 325.3 2031.0 6.165 325.5 2041.0 6.197 325.6 2051.0 6.228 325.8 2061.0 6.259 325.9 2071.0 6.288 326.1 2081.0 6.318 326.2 2091.0 6.346 326.4 2101.0 6.374 326.6 2111.0 6.401 326.7 2121.0 6.427 326.8 2131.0 6.452 327.0 2141.0 6.477 327.1 2151.0 6.501 327.3 2161.0 6.525 327.4 2171.0 6.547 327.6 2181.0 6.570 327.7 2191.0 6.591 327.8 2201.0 6.612 328.0 2211.0 6.632 328.1 2221.0 6.651 328.3 2231.0 6.670 328.4 2241.0 6.688 328.5 2251.0 6.706 328.7 2261.0 6.723 328.8 2271.0 6.739 328.9 2281.0 6.754 329.1 2291.0 6.769 329.2 2301.0 6.783 329.3 2311.0 6.797 329.5 2321.0 6.810 329.6 2331.0 6.823 329.7 2341.0 6.834 329.9 2351.0 6.845 330.0 2361.0 6.856 330.1 2371.0 6.866 330.2 2381.0 6.875 330.4 2391.0 6.884 330.5 2401.0 6.892 330.6 2411.0 6.899 330.8 2421.0 6.906 330.9 2431.0 6.912 331.0 2441.0 6.918 331.1 2451.0 6.923 331.3 2461.0 6.928 331.4 2471.0 6.931 331.5 2481.0 6.935 331.6 2491.0 6.937 331.8 2501.0 6.939 331.9 2511.0 6.941 332.0 2521.0 6.941 332.2 2531.0 6.942 332.3 2541.0 6.941 332.4 2551.0 6.940 332.5 2561.0 6.938 332.7 2571.0 6.936 332.8 2581.0 6.933 332.9 2591.0 6.930 333.0 2601.0 6.926 333.2 2611.0 6.921 333.3 2621.0 6.916 333.4 2631.0 6.910 333.5 2641.0 6.904 333.7 2651.0 6.897 333.8 2661.0 6.889 333.9 2671.0 6.881 334.0 2681.0 6.872 334.2 2691.0 6.862 334.3 2701.0 6.852 334.4 2711.0 6.842 334.6 2721.0 6.830 334.7 2731.0 6.818 334.8 2741.0 6.806 335.0 2751.0 6.793 335.1 2761.0 6.779 335.2 2771.0 6.764 335.3 2781.0 6.749 335.5 2791.0 6.733 335.6 2801.0 6.717 335.7 2811.0 6.700 335.9 2821.0 6.682 336.0 2831.0 6.664 336.2 2841.0 6.645 336.3 2851.0 6.626 336.4 2861.0 6.605 336.6 2871.0 6.585 336.7 2881.0 6.563 336.8 2891.0 6.541 337.0 2901.0 6.518 337.1 2911.0 6.494 337.3 2921.0 6.470 337.4 2931.0 6.445 337.6 2941.0 6.420 337.7 2951.0 6.393 337.9 2961.0 6.366 338.0 2971.0 6.339 338.2 2981.0 6.310 338.3 2991.0 6.281 338.5 3001.0 6.251 338.6 3011.0 6.221 338.8 3021.0 6.190 338.9 3031.0 6.158 339.1 3041.0 6.125 339.3 3051.0 6.091 339.4 3061.0 6.057 339.6 3071.0 6.022 339.7 3081.0 5.986 339.9 3091.0 5.949 340.1 3101.0 5.912 340.3 3111.0 5.874 340.4 3121.0 5.835 340.6 3131.0 5.795 340.8 3141.0 5.754 341.0 3151.0 5.712 341.2 3161.0 5.670 341.3 3171.0 5.627 341.5 3181.0 5.583 341.7 3191.0 5.538 341.9 3201.0 5.492 342.1 3211.0 5.445 342.3 3221.0 5.397 342.5 3231.0 5.348 342.7 3241.0 5.298 343.0