| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:15:59 |
| WDS: | BU64AB | WDS ID/Discoverer |
| P: | 2559.040 | Orbital period (years) |
| a: | 2.677 | Semi-major axis (arcseconds) |
| i: | 75.1 | Inclination (degrees) |
| Ω: | 159.3 | Longitude of ascending node (degrees) |
| T: | 1951.410 | Epoch of periastron passage (year) |
| e: | 0.805 | Eccentricity |
| ω: | 138.6 | Longitude of periastron (degrees) |
| Start-Year: | 746.0 | Year |
| End-Year: | 3304.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 204500.23+124336.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20450+1244 | WDS designation |
| Discoverer Code: | BU64AB | Discover designation and components |
| ADS number: | 14238 | Aitken Double Star catalog |
| HD number: | 197683 | HD catalog number |
| Hipparcos number: | 102398 | Hipparcos catalog number |
| V1: | 9.14 | Magnitude of the primary |
| V2: | 8.56 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2001 | 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 0.634 359.1 ------------------------- 746.0 3.803 147.3 756.0 3.813 147.4 766.0 3.822 147.5 776.0 3.832 147.6 786.0 3.841 147.8 796.0 3.849 147.9 806.0 3.857 148.0 816.0 3.865 148.1 826.0 3.872 148.2 836.0 3.879 148.3 846.0 3.886 148.4 856.0 3.892 148.5 866.0 3.898 148.6 876.0 3.903 148.7 886.0 3.908 148.8 896.0 3.913 148.9 906.0 3.917 149.0 916.0 3.920 149.1 926.0 3.924 149.2 936.0 3.926 149.3 946.0 3.929 149.4 956.0 3.931 149.5 966.0 3.932 149.6 976.0 3.934 149.7 986.0 3.934 149.8 996.0 3.934 149.9 1006.0 3.934 150.0 1016.0 3.933 150.1 1026.0 3.932 150.2 1036.0 3.931 150.3 1046.0 3.929 150.4 1056.0 3.926 150.5 1066.0 3.923 150.6 1076.0 3.920 150.7 1086.0 3.916 150.8 1096.0 3.911 150.9 1106.0 3.906 151.0 1116.0 3.901 151.1 1126.0 3.895 151.2 1136.0 3.888 151.3 1146.0 3.881 151.4 1156.0 3.874 151.5 1166.0 3.866 151.6 1176.0 3.857 151.7 1186.0 3.848 151.8 1196.0 3.838 151.9 1206.0 3.828 152.0 1216.0 3.817 152.1 1226.0 3.806 152.2 1236.0 3.794 152.3 1246.0 3.781 152.4 1256.0 3.768 152.5 1266.0 3.754 152.6 1276.0 3.740 152.8 1286.0 3.725 152.9 1296.0 3.709 153.0 1306.0 3.693 153.1 1316.0 3.676 153.2 1326.0 3.658 153.3 1336.0 3.640 153.4 1346.0 3.621 153.5 1356.0 3.601 153.7 1366.0 3.580 153.8 1376.0 3.559 153.9 1386.0 3.537 154.0 1396.0 3.515 154.1 1406.0 3.491 154.3 1416.0 3.467 154.4 1426.0 3.442 154.5 1436.0 3.416 154.7 1446.0 3.389 154.8 1456.0 3.361 154.9 1466.0 3.333 155.1 1476.0 3.303 155.2 1486.0 3.273 155.3 1496.0 3.242 155.5 1506.0 3.209 155.6 1516.0 3.176 155.8 1526.0 3.141 155.9 1536.0 3.106 156.1 1546.0 3.069 156.3 1556.0 3.032 156.4 1566.0 2.993 156.6 1576.0 2.953 156.8 1586.0 2.912 157.0 1596.0 2.869 157.1 1606.0 2.825 157.3 1616.0 2.780 157.5 1626.0 2.733 157.7 1636.0 2.685 157.9 1646.0 2.635 158.2 1656.0 2.584 158.4 1666.0 2.531 158.6 1676.0 2.476 158.9 1686.0 2.419 159.1 1696.0 2.360 159.4 1706.0 2.300 159.7 1716.0 2.237 160.0 1726.0 2.172 160.3 1736.0 2.105 160.6 1746.0 2.035 161.0 1756.0 1.962 161.4 1766.0 1.887 161.8 1776.0 1.809 162.2 1786.0 1.727 162.7 1796.0 1.642 163.3 1806.0 1.553 163.9 1816.0 1.460 164.5 1826.0 1.363 165.3 1836.0 1.261 166.2 1846.0 1.154 167.3 1856.0 1.042 168.5 1866.0 0.923 170.1 1876.0 0.798 172.2 1886.0 0.666 175.1 1896.0 0.528 179.5 1906.0 0.386 187.0 1916.0 0.248 203.2 1926.0 0.159 245.5 1936.0 0.210 298.1 1946.0 0.334 320.3 1956.0 0.454 330.4 1966.0 0.548 336.5 1976.0 0.609 341.1 1986.0 0.644 345.0 1996.0 0.658 348.6 2006.0 0.658 352.1 2016.0 0.649 355.7 2026.0 0.633 359.5 2036.0 0.613 3.4 2046.0 0.591 7.7 2056.0 0.569 12.2 2066.0 0.548 17.2 2076.0 0.528 22.5 2086.0 0.512 28.2 2096.0 0.499 34.2 2106.0 0.491 40.5 2116.0 0.488 46.9 2126.0 0.490 53.4 2136.0 0.497 59.7 2146.0 0.509 65.8 2156.0 0.525 71.6 2166.0 0.546 76.9 2176.0 0.571 81.9 2186.0 0.599 86.4 2196.0 0.630 90.5 2206.0 0.663 94.1 2216.0 0.698 97.5 2226.0 0.734 100.5 2236.0 0.772 103.2 2246.0 0.810 105.6 2256.0 0.850 107.9 2266.0 0.890 109.9 2276.0 0.931 111.8 2286.0 0.972 113.5 2296.0 1.013 115.0 2306.0 1.055 116.5 2316.0 1.096 117.8 2326.0 1.138 119.0 2336.0 1.180 120.2 2346.0 1.221 121.2 2356.0 1.263 122.2 2366.0 1.304 123.2 2376.0 1.345 124.1 2386.0 1.386 124.9 2396.0 1.427 125.7 2406.0 1.468 126.4 2416.0 1.508 127.1 2426.0 1.549 127.7 2436.0 1.589 128.4 2446.0 1.628 129.0 2456.0 1.668 129.5 2466.0 1.707 130.1 2476.0 1.746 130.6 2486.0 1.784 131.1 2496.0 1.822 131.6 2506.0 1.860 132.0 2516.0 1.898 132.4 2526.0 1.935 132.9 2536.0 1.972 133.3 2546.0 2.009 133.7 2556.0 2.045 134.0 2566.0 2.081 134.4 2576.0 2.117 134.7 2586.0 2.152 135.1 2596.0 2.187 135.4 2606.0 2.222 135.7 2616.0 2.256 136.0 2626.0 2.290 136.3 2636.0 2.324 136.6 2646.0 2.357 136.9 2656.0 2.390 137.2 2666.0 2.423 137.4 2676.0 2.455 137.7 2686.0 2.487 137.9 2696.0 2.519 138.2 2706.0 2.550 138.4 2716.0 2.581 138.7 2726.0 2.612 138.9 2736.0 2.643 139.1 2746.0 2.672 139.3 2756.0 2.702 139.5 2766.0 2.731 139.7 2776.0 2.760 140.0 2786.0 2.789 140.2 2796.0 2.817 140.3 2806.0 2.845 140.5 2816.0 2.873 140.7 2826.0 2.900 140.9 2836.0 2.927 141.1 2846.0 2.954 141.3 2856.0 2.980 141.4 2866.0 3.006 141.6 2876.0 3.032 141.8 2886.0 3.057 142.0 2896.0 3.082 142.1 2906.0 3.106 142.3 2916.0 3.131 142.4 2926.0 3.154 142.6 2936.0 3.178 142.7 2946.0 3.201 142.9 2956.0 3.224 143.0 2966.0 3.247 143.2 2976.0 3.269 143.3 2986.0 3.291 143.5 2996.0 3.312 143.6 3006.0 3.333 143.8 3016.0 3.354 143.9 3026.0 3.375 144.0 3036.0 3.395 144.2 3046.0 3.414 144.3 3056.0 3.434 144.4 3066.0 3.453 144.6 3076.0 3.472 144.7 3086.0 3.490 144.8 3096.0 3.508 144.9 3106.0 3.526 145.1 3116.0 3.543 145.2 3126.0 3.560 145.3 3136.0 3.577 145.4 3146.0 3.593 145.6 3156.0 3.609 145.7 3166.0 3.624 145.8 3176.0 3.640 145.9 3186.0 3.654 146.0 3196.0 3.669 146.1 3206.0 3.683 146.2 3216.0 3.697 146.4 3226.0 3.710 146.5 3236.0 3.723 146.6 3246.0 3.736 146.7 3256.0 3.748 146.8 3266.0 3.760 146.9 3276.0 3.771 147.0 3286.0 3.783 147.1 3296.0 3.793 147.2