| 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: | 745.48 | Year |
| End-Year: | 3304.52 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for BU64AB |
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| 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 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | USN2007a | 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 0.632 359.65 -------------------------- 745.48 3.802 147.33 755.48 3.812 147.43 765.48 3.822 147.54 775.48 3.831 147.64 785.48 3.840 147.75 795.48 3.849 147.85 805.48 3.857 147.96 815.48 3.865 148.06 825.48 3.872 148.16 835.48 3.879 148.26 845.48 3.886 148.37 855.48 3.892 148.47 865.48 3.898 148.57 875.48 3.903 148.67 885.48 3.908 148.77 895.48 3.912 148.87 905.48 3.916 148.97 915.48 3.920 149.07 925.48 3.923 149.17 935.48 3.926 149.27 945.48 3.929 149.37 955.48 3.931 149.47 965.48 3.932 149.57 975.48 3.933 149.67 985.48 3.934 149.77 995.48 3.934 149.87 1005.48 3.934 149.97 1015.48 3.934 150.07 1025.48 3.932 150.17 1035.48 3.931 150.27 1045.48 3.929 150.37 1055.48 3.926 150.47 1065.48 3.923 150.57 1075.48 3.920 150.67 1085.48 3.916 150.77 1095.48 3.911 150.87 1105.48 3.906 150.97 1115.48 3.901 151.07 1125.48 3.895 151.17 1135.48 3.889 151.27 1145.48 3.882 151.37 1155.48 3.874 151.48 1165.48 3.866 151.58 1175.48 3.857 151.68 1185.48 3.848 151.78 1195.48 3.839 151.89 1205.48 3.828 151.99 1215.48 3.818 152.10 1225.48 3.806 152.20 1235.48 3.794 152.31 1245.48 3.782 152.42 1255.48 3.769 152.53 1265.48 3.755 152.64 1275.48 3.740 152.74 1285.48 3.725 152.85 1295.48 3.710 152.97 1305.48 3.693 153.08 1315.48 3.677 153.19 1325.48 3.659 153.31 1335.48 3.641 153.42 1345.48 3.622 153.54 1355.48 3.602 153.66 1365.48 3.581 153.78 1375.48 3.560 153.90 1385.48 3.538 154.02 1395.48 3.516 154.14 1405.48 3.492 154.27 1415.48 3.468 154.39 1425.48 3.443 154.52 1435.48 3.417 154.65 1445.48 3.390 154.79 1455.48 3.363 154.92 1465.48 3.334 155.06 1475.48 3.305 155.20 1485.48 3.274 155.34 1495.48 3.243 155.48 1505.48 3.211 155.63 1515.48 3.178 155.78 1525.48 3.143 155.94 1535.48 3.108 156.09 1545.48 3.071 156.26 1555.48 3.034 156.42 1565.48 2.995 156.59 1575.48 2.955 156.76 1585.48 2.914 156.94 1595.48 2.871 157.13 1605.48 2.827 157.32 1615.48 2.782 157.51 1625.48 2.735 157.71 1635.48 2.687 157.92 1645.48 2.638 158.14 1655.48 2.586 158.36 1665.48 2.533 158.60 1675.48 2.479 158.84 1685.48 2.422 159.10 1695.48 2.364 159.37 1705.48 2.303 159.65 1715.48 2.240 159.95 1725.48 2.176 160.26 1735.48 2.108 160.60 1745.48 2.039 160.96 1755.48 1.966 161.34 1765.48 1.891 161.75 1775.48 1.813 162.20 1785.48 1.731 162.69 1795.48 1.647 163.23 1805.48 1.558 163.83 1815.48 1.465 164.51 1825.48 1.368 165.27 1835.48 1.267 166.16 1845.48 1.160 167.20 1855.48 1.048 168.47 1865.48 0.929 170.05 1875.48 0.805 172.10 1885.48 0.673 174.94 1895.48 0.535 179.20 1905.48 0.393 186.51 1915.48 0.255 201.97 1925.48 0.161 242.43 1935.48 0.204 296.24 1945.48 0.327 319.60 1955.48 0.449 330.00 1965.48 0.544 336.24 1975.48 0.607 340.86 1985.48 0.643 344.78 1995.48 0.658 348.40 2005.48 0.658 351.94 2015.48 0.649 355.53 2025.48 0.633 359.26 2035.48 0.614 3.21 2045.48 0.592 7.44 2055.48 0.570 12.00 2065.48 0.549 16.92 2075.48 0.529 22.22 2085.48 0.513 27.89 2095.48 0.500 33.90 2105.48 0.491 40.17 2115.48 0.488 46.59 2125.48 0.489 53.05 2135.48 0.496 59.39 2145.48 0.508 65.51 2155.48 0.524 71.29 2165.48 0.545 76.67 2175.48 0.570 81.63 2185.48 0.598 86.15 2195.48 0.628 90.25 2205.48 0.661 93.96 2215.48 0.696 97.30 2225.48 0.732 100.32 2235.48 0.770 103.05 2245.48 0.808 105.52 2255.48 0.848 107.77 2265.48 0.888 109.81 2275.48 0.929 111.68 2285.48 0.970 113.38 2295.48 1.011 114.95 2305.48 1.053 116.40 2315.48 1.094 117.73 2325.48 1.136 118.97 2335.48 1.177 120.12 2345.48 1.219 121.19 2355.48 1.261 122.19 2365.48 1.302 123.13 2375.48 1.343 124.01 2385.48 1.384 124.84 2395.48 1.425 125.62 2405.48 1.466 126.35 2415.48 1.506 127.05 2425.48 1.546 127.71 2435.48 1.586 128.34 2445.48 1.626 128.93 2455.48 1.666 129.50 2465.48 1.705 130.04 2475.48 1.744 130.56 2485.48 1.782 131.05 2495.48 1.820 131.53 2505.48 1.858 131.98 2515.48 1.896 132.42 2525.48 1.933 132.84 2535.48 1.970 133.24 2545.48 2.007 133.63 2555.48 2.043 134.01 2565.48 2.079 134.37 2575.48 2.115 134.72 2585.48 2.150 135.06 2595.48 2.185 135.38 2605.48 2.220 135.70 2615.48 2.254 136.01 2625.48 2.289 136.31 2635.48 2.322 136.60 2645.48 2.356 136.88 2655.48 2.389 137.15 2665.48 2.421 137.42 2675.48 2.454 137.67 2685.48 2.486 137.93 2695.48 2.518 138.17 2705.48 2.549 138.41 2715.48 2.580 138.65 2725.48 2.611 138.87 2735.48 2.641 139.10 2745.48 2.671 139.32 2755.48 2.701 139.53 2765.48 2.730 139.74 2775.48 2.759 139.94 2785.48 2.788 140.14 2795.48 2.816 140.34 2805.48 2.844 140.53 2815.48 2.872 140.72 2825.48 2.899 140.90 2835.48 2.926 141.08 2845.48 2.952 141.26 2855.48 2.979 141.44 2865.48 3.005 141.61 2875.48 3.030 141.78 2885.48 3.056 141.94 2895.48 3.081 142.11 2905.48 3.105 142.27 2915.48 3.129 142.43 2925.48 3.153 142.58 2935.48 3.177 142.74 2945.48 3.200 142.89 2955.48 3.223 143.04 2965.48 3.245 143.18 2975.48 3.268 143.33 2985.48 3.290 143.47 2995.48 3.311 143.61 3005.48 3.332 143.75 3015.48 3.353 143.89 3025.48 3.374 144.02 3035.48 3.394 144.16 3045.48 3.413 144.29 3055.48 3.433 144.42 3065.48 3.452 144.55 3075.48 3.471 144.68 3085.48 3.489 144.81 3095.48 3.507 144.93 3105.48 3.525 145.06 3115.48 3.542 145.18 3125.48 3.559 145.30 3135.48 3.576 145.42 3145.48 3.592 145.54 3155.48 3.608 145.66 3165.48 3.624 145.78 3175.48 3.639 145.90 3185.48 3.654 146.01 3195.48 3.668 146.13 3205.48 3.682 146.24 3215.48 3.696 146.35 3225.48 3.709 146.47 3235.48 3.722 146.58 3245.48 3.735 146.69 3255.48 3.747 146.80 3265.48 3.759 146.91 3275.48 3.771 147.02 3285.48 3.782 147.12 3295.48 3.793 147.23
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:18:26 |