| WDS: | BU137AB | WDS ID/Discoverer |
| P: | 1135.735 | Orbital period (years) |
| a: | 3.61436 | Semi-major axis (arcseconds) |
| i: | 76.953 | Inclination (degrees) |
| Ω: | 177.051 | Longitude of ascending node (degrees) |
| T: | 2080.596 | Epoch of periastron passage (year) |
| e: | 0.77425 | Eccentricity |
| ω: | 69.393 | Longitude of periastron (degrees) |
| Start-Year: | 1457.13245 | Year |
| End-Year: | 2592.86755 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for BU137AB |
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| Position: | 185357.56+372249.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18540+3723 | WDS designation |
| Discoverer Code: | BU137AB | Discover designation and components |
| ADS number: | 11811 | Aitken Double Star catalog |
| HD number: | 175491 | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 8.69 | Magnitude of the primary |
| V2: | 9.02 | 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: | 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 1.510 166.88 -------------------------- 1457.13 2.919 23.76 1467.13 2.870 24.47 1477.13 2.820 25.20 1487.13 2.769 25.95 1497.13 2.716 26.74 1507.13 2.663 27.56 1517.13 2.609 28.41 1527.13 2.553 29.30 1537.13 2.498 30.23 1547.13 2.441 31.20 1557.13 2.384 32.21 1567.13 2.326 33.28 1577.13 2.268 34.40 1587.13 2.210 35.58 1597.13 2.151 36.83 1607.13 2.092 38.14 1617.13 2.033 39.53 1627.13 1.974 41.01 1637.13 1.915 42.57 1647.13 1.857 44.24 1657.13 1.799 46.01 1667.13 1.742 47.89 1677.13 1.686 49.91 1687.13 1.631 52.06 1697.13 1.577 54.36 1707.13 1.525 56.82 1717.13 1.475 59.46 1727.13 1.427 62.27 1737.13 1.381 65.27 1747.13 1.339 68.47 1757.13 1.300 71.87 1767.13 1.265 75.47 1777.13 1.234 79.26 1787.13 1.207 83.24 1797.13 1.186 87.37 1807.13 1.169 91.64 1817.13 1.158 96.02 1827.13 1.153 100.45 1837.13 1.153 104.90 1847.13 1.159 109.33 1857.13 1.170 113.70 1867.13 1.186 117.97 1877.13 1.206 122.10 1887.13 1.231 126.09 1897.13 1.259 129.91 1907.13 1.290 133.55 1917.13 1.323 137.02 1927.13 1.358 140.31 1937.13 1.393 143.44 1947.13 1.427 146.42 1957.13 1.461 149.25 1967.13 1.491 151.97 1977.13 1.518 154.58 1987.13 1.539 157.11 1997.13 1.552 159.59 2007.13 1.554 162.04 2017.13 1.541 164.50 2027.13 1.507 167.04 2037.13 1.444 169.75 2047.13 1.336 172.80 2057.13 1.162 176.56 2067.13 0.888 182.19 2077.13 0.488 195.47 2087.13 0.202 285.91 2097.13 0.615 339.45 2107.13 1.042 348.57 2117.13 1.401 352.58 2127.13 1.701 355.05 2137.13 1.955 356.82 2147.13 2.173 358.21 2157.13 2.361 359.36 2167.13 2.525 0.36 2177.13 2.669 1.23 2187.13 2.795 2.02 2197.13 2.907 2.75 2207.13 3.006 3.43 2217.13 3.094 4.06 2227.13 3.172 4.67 2237.13 3.240 5.24 2247.13 3.301 5.79 2257.13 3.353 6.33 2267.13 3.399 6.85 2277.13 3.439 7.35 2287.13 3.473 7.85 2297.13 3.502 8.34 2307.13 3.525 8.81 2317.13 3.544 9.29 2327.13 3.559 9.76 2337.13 3.569 10.22 2347.13 3.575 10.69 2357.13 3.578 11.15 2367.13 3.578 11.61 2377.13 3.574 12.07 2387.13 3.567 12.54 2397.13 3.557 13.00 2407.13 3.544 13.47 2417.13 3.528 13.95 2427.13 3.510 14.42 2437.13 3.490 14.91 2447.13 3.467 15.40 2457.13 3.442 15.89 2467.13 3.414 16.39 2477.13 3.385 16.91 2487.13 3.354 17.43 2497.13 3.320 17.96 2507.13 3.285 18.50 2517.13 3.248 19.06 2527.13 3.210 19.62 2537.13 3.170 20.20 2547.13 3.128 20.80 2557.13 3.085 21.41 2567.13 3.040 22.04 2577.13 2.994 22.69 2587.13 2.947 23.36
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:57:10 |