| WDS: | BU31AB | WDS ID/Discoverer |
| P: | 2085.500 | Orbital period (years) |
| a: | 3.369 | Semi-major axis (arcseconds) |
| i: | 64.8 | Inclination (degrees) |
| Ω: | 215.4 | Longitude of ascending node (degrees) |
| T: | 1915.060 | Epoch of periastron passage (year) |
| e: | 0.453 | Eccentricity |
| ω: | 325.1 | Longitude of periastron (degrees) |
| Start-Year: | 982.25 | Year |
| End-Year: | 3067.75 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for BU31AB |
||
| Position: | 145230.05+184419.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 14525+1844 | WDS designation |
| Discoverer Code: | BU31AB | Discover designation and components |
| ADS number: | 9423 | Aitken Double Star catalog |
| HD number: | 131334 | HD catalog number |
| Hipparcos number: | 72764 | Hipparcos catalog number |
| V1: | 8.53 | Magnitude of the primary |
| V2: | 10.26 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2013 | 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: | Hrt2014a | 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 2.019 223.05 -------------------------- 982.25 4.432 23.24 992.25 4.447 23.62 1002.25 4.462 23.99 1012.25 4.475 24.36 1022.25 4.487 24.74 1032.25 4.498 25.10 1042.25 4.507 25.47 1052.25 4.515 25.84 1062.25 4.523 26.20 1072.25 4.528 26.56 1082.25 4.533 26.93 1092.25 4.536 27.29 1102.25 4.538 27.65 1112.25 4.539 28.01 1122.25 4.538 28.37 1132.25 4.536 28.73 1142.25 4.533 29.09 1152.25 4.528 29.46 1162.25 4.522 29.82 1172.25 4.514 30.18 1182.25 4.505 30.55 1192.25 4.495 30.92 1202.25 4.483 31.29 1212.25 4.469 31.66 1222.25 4.455 32.03 1232.25 4.438 32.41 1242.25 4.420 32.79 1252.25 4.401 33.17 1262.25 4.380 33.55 1272.25 4.357 33.94 1282.25 4.333 34.34 1292.25 4.307 34.74 1302.25 4.279 35.14 1312.25 4.250 35.55 1322.25 4.219 35.96 1332.25 4.186 36.38 1342.25 4.152 36.81 1352.25 4.115 37.25 1362.25 4.077 37.69 1372.25 4.038 38.14 1382.25 3.996 38.60 1392.25 3.952 39.07 1402.25 3.907 39.56 1412.25 3.860 40.05 1422.25 3.810 40.55 1432.25 3.759 41.07 1442.25 3.706 41.61 1452.25 3.651 42.16 1462.25 3.593 42.72 1472.25 3.534 43.31 1482.25 3.473 43.92 1492.25 3.409 44.54 1502.25 3.344 45.20 1512.25 3.276 45.87 1522.25 3.206 46.58 1532.25 3.134 47.32 1542.25 3.060 48.10 1552.25 2.983 48.91 1562.25 2.905 49.77 1572.25 2.824 50.68 1582.25 2.741 51.64 1592.25 2.656 52.66 1602.25 2.569 53.75 1612.25 2.480 54.91 1622.25 2.389 56.17 1632.25 2.297 57.52 1642.25 2.202 59.00 1652.25 2.106 60.60 1662.25 2.008 62.36 1672.25 1.910 64.30 1682.25 1.810 66.45 1692.25 1.710 68.85 1702.25 1.610 71.55 1712.25 1.511 74.61 1722.25 1.414 78.09 1732.25 1.320 82.07 1742.25 1.229 86.66 1752.25 1.145 91.95 1762.25 1.069 98.04 1772.25 1.003 104.99 1782.25 0.951 112.81 1792.25 0.915 121.38 1802.25 0.898 130.45 1812.25 0.901 139.67 1822.25 0.923 148.64 1832.25 0.963 157.03 1842.25 1.017 164.64 1852.25 1.083 171.40 1862.25 1.156 177.35 1872.25 1.235 182.56 1882.25 1.316 187.13 1892.25 1.398 191.17 1902.25 1.478 194.77 1912.25 1.556 198.01 1922.25 1.629 200.94 1932.25 1.697 203.63 1942.25 1.759 206.12 1952.25 1.815 208.44 1962.25 1.864 210.64 1972.25 1.907 212.73 1982.25 1.942 214.74 1992.25 1.970 216.68 2002.25 1.992 218.57 2012.25 2.007 220.43 2022.25 2.017 222.27 2032.25 2.020 224.10 2042.25 2.018 225.92 2052.25 2.011 227.75 2062.25 2.000 229.60 2072.25 1.985 231.47 2082.25 1.967 233.37 2092.25 1.945 235.32 2102.25 1.921 237.31 2112.25 1.895 239.35 2122.25 1.867 241.45 2132.25 1.838 243.62 2142.25 1.807 245.86 2152.25 1.777 248.17 2162.25 1.746 250.57 2172.25 1.715 253.06 2182.25 1.685 255.63 2192.25 1.657 258.29 2202.25 1.629 261.05 2212.25 1.603 263.90 2222.25 1.580 266.83 2232.25 1.558 269.85 2242.25 1.540 272.95 2252.25 1.524 276.12 2262.25 1.511 279.35 2272.25 1.502 282.63 2282.25 1.497 285.94 2292.25 1.494 289.27 2302.25 1.496 292.59 2312.25 1.502 295.91 2322.25 1.511 299.19 2332.25 1.524 302.42 2342.25 1.540 305.59 2352.25 1.560 308.69 2362.25 1.583 311.70 2372.25 1.610 314.62 2382.25 1.639 317.44 2392.25 1.671 320.15 2402.25 1.706 322.76 2412.25 1.743 325.26 2422.25 1.782 327.66 2432.25 1.824 329.95 2442.25 1.867 332.13 2452.25 1.911 334.22 2462.25 1.957 336.20 2472.25 2.004 338.10 2482.25 2.053 339.91 2492.25 2.102 341.63 2502.25 2.152 343.28 2512.25 2.203 344.85 2522.25 2.254 346.34 2532.25 2.306 347.77 2542.25 2.358 349.14 2552.25 2.410 350.45 2562.25 2.463 351.70 2572.25 2.516 352.90 2582.25 2.568 354.06 2592.25 2.621 355.16 2602.25 2.674 356.22 2612.25 2.726 357.24 2622.25 2.778 358.22 2632.25 2.830 359.17 2642.25 2.882 0.08 2652.25 2.933 0.96 2662.25 2.984 1.81 2672.25 3.035 2.63 2682.25 3.085 3.43 2692.25 3.135 4.19 2702.25 3.184 4.94 2712.25 3.232 5.66 2722.25 3.280 6.36 2732.25 3.327 7.05 2742.25 3.374 7.71 2752.25 3.420 8.35 2762.25 3.465 8.98 2772.25 3.510 9.59 2782.25 3.554 10.19 2792.25 3.597 10.77 2802.25 3.639 11.34 2812.25 3.681 11.89 2822.25 3.722 12.43 2832.25 3.762 12.97 2842.25 3.801 13.49 2852.25 3.839 14.00 2862.25 3.877 14.50 2872.25 3.913 14.99 2882.25 3.949 15.47 2892.25 3.984 15.94 2902.25 4.018 16.40 2912.25 4.050 16.86 2922.25 4.082 17.31 2932.25 4.113 17.75 2942.25 4.143 18.19 2952.25 4.172 18.62 2962.25 4.200 19.04 2972.25 4.227 19.46 2982.25 4.253 19.88 2992.25 4.278 20.29 3002.25 4.302 20.69 3012.25 4.325 21.09 3022.25 4.347 21.49 3032.25 4.367 21.88 3042.25 4.387 22.27 3052.25 4.405 22.65 3062.25 4.423 23.03
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:09:46 |