| WDS: | BU838 | WDS ID/Discoverer |
| P: | 1023.389 | Orbital period (years) |
| a: | 5.36256 | Semi-major axis (arcseconds) |
| i: | 77.217 | Inclination (degrees) |
| Ω: | 169.101 | Longitude of ascending node (degrees) |
| T: | 2050.745 | Epoch of periastron passage (year) |
| e: | 0.85848 | Eccentricity |
| ω: | 68.921 | Longitude of periastron (degrees) |
| Start-Year: | 1513.30565 | Year |
| End-Year: | 2536.6943499999998 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for BU838 |
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| Position: | 212055.78+030705.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 21209+0307 | WDS designation |
| Discoverer Code: | BU838 | Discover designation and components |
| ADS number: | 14880 | Aitken Double Star catalog |
| HD number: | 203235 | HD catalog number |
| Hipparcos number: | 105399 | Hipparcos catalog number |
| V1: | 7.92 | Magnitude of the primary |
| V2: | 10.02 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2007 | 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 1.497 159.51 -------------------------- 1513.31 4.307 17.30 1523.31 4.241 17.93 1533.31 4.173 18.58 1543.31 4.103 19.25 1553.31 4.031 19.94 1563.31 3.958 20.66 1573.31 3.883 21.41 1583.31 3.806 22.18 1593.31 3.728 22.99 1603.31 3.648 23.84 1613.31 3.567 24.72 1623.31 3.485 25.64 1633.31 3.401 26.61 1643.31 3.317 27.63 1653.31 3.231 28.70 1663.31 3.144 29.83 1673.31 3.057 31.02 1683.31 2.969 32.29 1693.31 2.880 33.63 1703.31 2.791 35.06 1713.31 2.702 36.58 1723.31 2.613 38.20 1733.31 2.524 39.94 1743.31 2.436 41.81 1753.31 2.348 43.82 1763.31 2.262 45.98 1773.31 2.176 48.31 1783.31 2.093 50.83 1793.31 2.012 53.56 1803.31 1.934 56.51 1813.31 1.859 59.70 1823.31 1.789 63.15 1833.31 1.723 66.88 1843.31 1.663 70.89 1853.31 1.609 75.18 1863.31 1.562 79.75 1873.31 1.524 84.58 1883.31 1.494 89.62 1893.31 1.473 94.85 1903.31 1.461 100.19 1913.31 1.458 105.58 1923.31 1.465 110.96 1933.31 1.479 116.26 1943.31 1.501 121.44 1953.31 1.527 126.45 1963.31 1.557 131.27 1973.31 1.588 135.92 1983.31 1.615 140.39 1993.31 1.635 144.73 2003.31 1.638 149.01 2013.31 1.614 153.33 2023.31 1.539 157.92 2033.31 1.361 163.31 2043.31 0.940 171.81 2053.31 0.175 265.57 2063.31 1.052 341.40 2073.31 1.754 347.44 2083.31 2.274 350.29 2093.31 2.683 352.16 2103.31 3.018 353.57 2113.31 3.301 354.72 2123.31 3.543 355.70 2133.31 3.752 356.57 2143.31 3.936 357.34 2153.31 4.097 358.05 2163.31 4.239 358.71 2173.31 4.365 359.33 2183.31 4.477 359.92 2193.31 4.576 0.48 2203.31 4.663 1.02 2213.31 4.740 1.54 2223.31 4.807 2.04 2233.31 4.865 2.53 2243.31 4.916 3.01 2253.31 4.959 3.48 2263.31 4.995 3.95 2273.31 5.025 4.40 2283.31 5.048 4.86 2293.31 5.066 5.30 2303.31 5.078 5.75 2313.31 5.086 6.19 2323.31 5.088 6.64 2333.31 5.086 7.08 2343.31 5.080 7.53 2353.31 5.069 7.97 2363.31 5.055 8.42 2373.31 5.037 8.87 2383.31 5.015 9.32 2393.31 4.989 9.78 2403.31 4.960 10.25 2413.31 4.928 10.72 2423.31 4.893 11.19 2433.31 4.855 11.68 2443.31 4.814 12.17 2453.31 4.770 12.67 2463.31 4.723 13.18 2473.31 4.674 13.70 2483.31 4.622 14.23 2493.31 4.568 14.77 2503.31 4.512 15.33 2513.31 4.453 15.90 2523.31 4.392 16.49 2533.31 4.329 17.09
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:25:16 |