Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:13:41

Orbital Elements for I275
WDS: I275 WDS ID/Discoverer
P: 729.090 Orbital period (years)
a: 1.705 Semi-major axis (arcseconds)
i: 130.1 Inclination (degrees)
Ω: 40.0 Longitude of ascending node (degrees)
T: 2002.310 Epoch of periastron passage (year)
e: 0.53 Eccentricity
ω: 161.2 Longitude of periastron (degrees)
Start-Year: 1661.0 Year
End-Year: 2389.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for I275
Position: 052321.04-364013.9 Epoch-2000 right ascension and declination
WDS-ID: 05234-3640 WDS designation
Discoverer Code: I275 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 35490 HD catalog number
Hipparcos number: 25190 Hipparcos catalog number
V1: 8.92 Magnitude of the primary
V2: 9.59 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2008 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for I275



WDS 6th Orbit including measures of I275

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)


Ephemeris of I275
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.838    205.6
-------------------------
1661.0     2.552     49.5
1662.0     2.552     49.4
1663.0     2.553     49.3
1664.0     2.553     49.2
1665.0     2.554     49.1
1666.0     2.554     48.9
1667.0     2.554     48.8
1668.0     2.555     48.7
1669.0     2.555     48.6
1670.0     2.555     48.5
1671.0     2.555     48.3
1672.0     2.555     48.2
1673.0     2.555     48.1
1674.0     2.555     48.0
1675.0     2.555     47.9
1676.0     2.555     47.7
1677.0     2.555     47.6
1678.0     2.555     47.5
1679.0     2.555     47.4
1680.0     2.554     47.3
1681.0     2.554     47.1
1682.0     2.554     47.0
1683.0     2.553     46.9
1684.0     2.553     46.8
1685.0     2.552     46.7
1686.0     2.552     46.5
1687.0     2.551     46.4
1688.0     2.551     46.3
1689.0     2.550     46.2
1690.0     2.549     46.1
1691.0     2.549     45.9
1692.0     2.548     45.8
1693.0     2.547     45.7
1694.0     2.546     45.6
1695.0     2.545     45.5
1696.0     2.544     45.3
1697.0     2.543     45.2
1698.0     2.542     45.1
1699.0     2.541     45.0
1700.0     2.540     44.9
1701.0     2.539     44.7
1702.0     2.538     44.6
1703.0     2.536     44.5
1704.0     2.535     44.4
1705.0     2.534     44.2
1706.0     2.532     44.1
1707.0     2.531     44.0
1708.0     2.529     43.9
1709.0     2.528     43.8
1710.0     2.526     43.6
1711.0     2.525     43.5
1712.0     2.523     43.4
1713.0     2.521     43.3
1714.0     2.520     43.1
1715.0     2.518     43.0
1716.0     2.516     42.9
1717.0     2.514     42.8
1718.0     2.512     42.6
1719.0     2.510     42.5
1720.0     2.508     42.4
1721.0     2.506     42.3
1722.0     2.504     42.1
1723.0     2.502     42.0
1724.0     2.499     41.9
1725.0     2.497     41.8
1726.0     2.495     41.6
1727.0     2.492     41.5
1728.0     2.490     41.4
1729.0     2.487     41.3
1730.0     2.485     41.1
1731.0     2.482     41.0
1732.0     2.480     40.9
1733.0     2.477     40.8
1734.0     2.474     40.6
1735.0     2.472     40.5
1736.0     2.469     40.4
1737.0     2.466     40.2
1738.0     2.463     40.1
1739.0     2.460     40.0
1740.0     2.457     39.9
1741.0     2.454     39.7
1742.0     2.451     39.6
1743.0     2.448     39.5
1744.0     2.445     39.3
1745.0     2.442     39.2
1746.0     2.438     39.1
1747.0     2.435     38.9
1748.0     2.432     38.8
1749.0     2.428     38.7
1750.0     2.425     38.5
1751.0     2.421     38.4
1752.0     2.418     38.3
1753.0     2.414     38.1
1754.0     2.410     38.0
1755.0     2.406     37.9
1756.0     2.403     37.7
1757.0     2.399     37.6
1758.0     2.395     37.5
1759.0     2.391     37.3
1760.0     2.387     37.2
1761.0     2.383     37.0
1762.0     2.379     36.9
1763.0     2.375     36.8
1764.0     2.371     36.6
1765.0     2.366     36.5
1766.0     2.362     36.3
1767.0     2.358     36.2
1768.0     2.353     36.1
1769.0     2.349     35.9
1770.0     2.345     35.8
1771.0     2.340     35.6
1772.0     2.335     35.5
1773.0     2.331     35.4
1774.0     2.326     35.2
1775.0     2.321     35.1
1776.0     2.317     34.9
1777.0     2.312     34.8
1778.0     2.307     34.6
1779.0     2.302     34.5
1780.0     2.297     34.3
1781.0     2.292     34.2
1782.0     2.287     34.0
1783.0     2.281     33.9
1784.0     2.276     33.7
1785.0     2.271     33.6
1786.0     2.266     33.4
1787.0     2.260     33.3
1788.0     2.255     33.1
1789.0     2.249     33.0
1790.0     2.244     32.8
1791.0     2.238     32.6
1792.0     2.233     32.5
1793.0     2.227     32.3
1794.0     2.221     32.2
1795.0     2.215     32.0
1796.0     2.209     31.9
1797.0     2.203     31.7
1798.0     2.197     31.5
1799.0     2.191     31.4
1800.0     2.185     31.2
1801.0     2.179     31.0
1802.0     2.173     30.9
1803.0     2.167     30.7
1804.0     2.160     30.5
1805.0     2.154     30.4
1806.0     2.148     30.2
1807.0     2.141     30.0
1808.0     2.135     29.9
1809.0     2.128     29.7
1810.0     2.121     29.5
1811.0     2.115     29.3
1812.0     2.108     29.2
1813.0     2.101     29.0
1814.0     2.094     28.8
1815.0     2.087     28.6
1816.0     2.080     28.5
1817.0     2.073     28.3
1818.0     2.066     28.1
1819.0     2.059     27.9
1820.0     2.052     27.7
1821.0     2.044     27.5
1822.0     2.037     27.3
1823.0     2.030     27.2
1824.0     2.022     27.0
1825.0     2.015     26.8
1826.0     2.007     26.6
1827.0     1.999     26.4
1828.0     1.992     26.2
1829.0     1.984     26.0
1830.0     1.976     25.8
1831.0     1.968     25.6
1832.0     1.960     25.4
1833.0     1.952     25.2
1834.0     1.944     25.0
1835.0     1.936     24.8
1836.0     1.928     24.5
1837.0     1.920     24.3
1838.0     1.912     24.1
1839.0     1.903     23.9
1840.0     1.895     23.7
1841.0     1.886     23.5
1842.0     1.878     23.2
1843.0     1.869     23.0
1844.0     1.861     22.8
1845.0     1.852     22.6
1846.0     1.843     22.3
1847.0     1.834     22.1
1848.0     1.825     21.9
1849.0     1.816     21.6
1850.0     1.807     21.4
1851.0     1.798     21.2
1852.0     1.789     20.9
1853.0     1.780     20.7
1854.0     1.771     20.4
1855.0     1.761     20.2
1856.0     1.752     19.9
1857.0     1.743     19.7
1858.0     1.733     19.4
1859.0     1.724     19.1
1860.0     1.714     18.9
1861.0     1.704     18.6
1862.0     1.695     18.3
1863.0     1.685     18.1
1864.0     1.675     17.8
1865.0     1.665     17.5
1866.0     1.655     17.2
1867.0     1.645     16.9
1868.0     1.635     16.6
1869.0     1.625     16.3
1870.0     1.615     16.0
1871.0     1.604     15.7
1872.0     1.594     15.4
1873.0     1.584     15.1
1874.0     1.573     14.8
1875.0     1.563     14.5
1876.0     1.552     14.2
1877.0     1.541     13.8
1878.0     1.531     13.5
1879.0     1.520     13.2
1880.0     1.509     12.8
1881.0     1.498     12.5
1882.0     1.488     12.1
1883.0     1.477     11.8
1884.0     1.466     11.4
1885.0     1.455     11.0
1886.0     1.443     10.7
1887.0     1.432     10.3
1888.0     1.421      9.9
1889.0     1.410      9.5
1890.0     1.398      9.1
1891.0     1.387      8.7
1892.0     1.376      8.3
1893.0     1.364      7.9
1894.0     1.353      7.5
1895.0     1.341      7.0
1896.0     1.330      6.6
1897.0     1.318      6.1
1898.0     1.306      5.7
1899.0     1.295      5.2
1900.0     1.283      4.7
1901.0     1.271      4.3
1902.0     1.259      3.8
1903.0     1.247      3.3
1904.0     1.235      2.8
1905.0     1.224      2.2
1906.0     1.212      1.7
1907.0     1.200      1.2
1908.0     1.188      0.6
1909.0     1.176      0.1
1910.0     1.164    359.5
1911.0     1.152    358.9
1912.0     1.140    358.3
1913.0     1.127    357.7
1914.0     1.115    357.1
1915.0     1.103    356.4
1916.0     1.091    355.8
1917.0     1.079    355.1
1918.0     1.067    354.4
1919.0     1.055    353.7
1920.0     1.043    353.0
1921.0     1.031    352.3
1922.0     1.019    351.6
1923.0     1.007    350.8
1924.0     0.995    350.0
1925.0     0.983    349.2
1926.0     0.971    348.4
1927.0     0.959    347.5
1928.0     0.948    346.7
1929.0     0.936    345.8
1930.0     0.924    344.9
1931.0     0.913    344.0
1932.0     0.901    343.0
1933.0     0.890    342.0
1934.0     0.879    341.0
1935.0     0.868    340.0
1936.0     0.857    338.9
1937.0     0.846    337.9
1938.0     0.835    336.8
1939.0     0.824    335.6
1940.0     0.814    334.4
1941.0     0.804    333.2
1942.0     0.794    332.0
1943.0     0.784    330.8
1944.0     0.774    329.5
1945.0     0.765    328.1
1946.0     0.755    326.8
1947.0     0.746    325.4
1948.0     0.738    324.0
1949.0     0.729    322.5
1950.0     0.721    321.0
1951.0     0.713    319.5
1952.0     0.706    317.9
1953.0     0.699    316.3
1954.0     0.692    314.7
1955.0     0.685    313.1
1956.0     0.679    311.4
1957.0     0.673    309.7
1958.0     0.668    307.9
1959.0     0.663    306.2
1960.0     0.659    304.4
1961.0     0.655    302.5
1962.0     0.651    300.7
1963.0     0.648    298.9
1964.0     0.645    297.0
1965.0     0.643    295.1
1966.0     0.641    293.2
1967.0     0.640    291.3
1968.0     0.639    289.3
1969.0     0.638    287.4
1970.0     0.638    285.5
1971.0     0.638    283.6
1972.0     0.639    281.6
1973.0     0.640    279.7
1974.0     0.642    277.8
1975.0     0.644    275.9
1976.0     0.647    274.0
1977.0     0.649    272.2
1978.0     0.652    270.3
1979.0     0.656    268.5
1980.0     0.660    266.7
1981.0     0.664    264.9
1982.0     0.668    263.1
1983.0     0.673    261.4
1984.0     0.677    259.7
1985.0     0.682    258.0
1986.0     0.687    256.3
1987.0     0.693    254.6
1988.0     0.698    253.0
1989.0     0.704    251.4
1990.0     0.709    249.9
1991.0     0.715    248.3
1992.0     0.721    246.8
1993.0     0.726    245.3
1994.0     0.732    243.8
1995.0     0.738    242.4
1996.0     0.743    240.9
1997.0     0.749    239.5
1998.0     0.754    238.1
1999.0     0.760    236.8
2000.0     0.765    235.4
2001.0     0.770    234.1
2002.0     0.775    232.8
2003.0     0.780    231.5
2004.0     0.785    230.2
2005.0     0.789    228.9
2006.0     0.793    227.7
2007.0     0.798    226.4
2008.0     0.802    225.2
2009.0     0.805    224.0
2010.0     0.809    222.8
2011.0     0.812    221.6
2012.0     0.815    220.4
2013.0     0.818    219.2
2014.0     0.821    218.1
2015.0     0.824    216.9
2016.0     0.826    215.8
2017.0     0.828    214.6
2018.0     0.830    213.5
2019.0     0.832    212.3
2020.0     0.833    211.2
2021.0     0.834    210.1
2022.0     0.836    209.0
2023.0     0.837    207.8
2024.0     0.838    206.7
2025.0     0.838    205.6
2026.0     0.839    204.5
2027.0     0.839    203.4
2028.0     0.839    202.3
2029.0     0.840    201.1
2030.0     0.840    200.0
2031.0     0.840    198.9
2032.0     0.840    197.8
2033.0     0.839    196.7
2034.0     0.839    195.6
2035.0     0.839    194.5
2036.0     0.838    193.4
2037.0     0.838    192.2
2038.0     0.837    191.1
2039.0     0.837    190.0
2040.0     0.836    188.9
2041.0     0.836    187.8
2042.0     0.835    186.6
2043.0     0.835    185.5
2044.0     0.834    184.4
2045.0     0.834    183.3
2046.0     0.834    182.1
2047.0     0.833    181.0
2048.0     0.833    179.9
2049.0     0.833    178.7
2050.0     0.832    177.6
2051.0     0.832    176.5
2052.0     0.832    175.3
2053.0     0.832    174.2
2054.0     0.832    173.1
2055.0     0.833    172.0
2056.0     0.833    170.8
2057.0     0.833    169.7
2058.0     0.834    168.6
2059.0     0.835    167.4
2060.0     0.835    166.3
2061.0     0.836    165.2
2062.0     0.837    164.1
2063.0     0.839    163.0
2064.0     0.840    161.8
2065.0     0.841    160.7
2066.0     0.843    159.6
2067.0     0.844    158.5
2068.0     0.846    157.4
2069.0     0.848    156.3
2070.0     0.850    155.3
2071.0     0.853    154.2
2072.0     0.855    153.1
2073.0     0.858    152.0
2074.0     0.860    151.0
2075.0     0.863    149.9
2076.0     0.866    148.9
2077.0     0.869    147.8
2078.0     0.873    146.8
2079.0     0.876    145.8
2080.0     0.880    144.7
2081.0     0.883    143.7
2082.0     0.887    142.7
2083.0     0.891    141.7
2084.0     0.895    140.8
2085.0     0.899    139.8
2086.0     0.904    138.8
2087.0     0.908    137.9
2088.0     0.913    136.9
2089.0     0.918    136.0
2090.0     0.923    135.1
2091.0     0.928    134.1
2092.0     0.933    133.2
2093.0     0.938    132.3
2094.0     0.943    131.4
2095.0     0.949    130.6
2096.0     0.954    129.7
2097.0     0.960    128.9
2098.0     0.966    128.0
2099.0     0.972    127.2
2100.0     0.978    126.3
2101.0     0.984    125.5
2102.0     0.990    124.7
2103.0     0.996    123.9
2104.0     1.003    123.1
2105.0     1.009    122.4
2106.0     1.016    121.6
2107.0     1.022    120.8
2108.0     1.029    120.1
2109.0     1.036    119.4
2110.0     1.043    118.6
2111.0     1.049    117.9
2112.0     1.056    117.2
2113.0     1.064    116.5
2114.0     1.071    115.8
2115.0     1.078    115.2
2116.0     1.085    114.5
2117.0     1.092    113.8
2118.0     1.100    113.2
2119.0     1.107    112.5
2120.0     1.115    111.9
2121.0     1.122    111.3
2122.0     1.130    110.6
2123.0     1.137    110.0
2124.0     1.145    109.4
2125.0     1.153    108.8
2126.0     1.160    108.3
2127.0     1.168    107.7
2128.0     1.176    107.1
2129.0     1.184    106.5
2130.0     1.192    106.0
2131.0     1.199    105.4
2132.0     1.207    104.9
2133.0     1.215    104.4
2134.0     1.223    103.8
2135.0     1.231    103.3
2136.0     1.239    102.8
2137.0     1.247    102.3
2138.0     1.255    101.8
2139.0     1.264    101.3
2140.0     1.272    100.8
2141.0     1.280    100.3
2142.0     1.288     99.8
2143.0     1.296     99.4
2144.0     1.304     98.9
2145.0     1.312     98.5
2146.0     1.320     98.0
2147.0     1.329     97.6
2148.0     1.337     97.1
2149.0     1.345     96.7
2150.0     1.353     96.2
2151.0     1.361     95.8
2152.0     1.369     95.4
2153.0     1.378     95.0
2154.0     1.386     94.6
2155.0     1.394     94.2
2156.0     1.402     93.8
2157.0     1.410     93.4
2158.0     1.419     93.0
2159.0     1.427     92.6
2160.0     1.435     92.2
2161.0     1.443     91.8
2162.0     1.451     91.5
2163.0     1.459     91.1
2164.0     1.468     90.7
2165.0     1.476     90.4
2166.0     1.484     90.0
2167.0     1.492     89.6
2168.0     1.500     89.3
2169.0     1.508     89.0
2170.0     1.516     88.6
2171.0     1.524     88.3
2172.0     1.532     87.9
2173.0     1.540     87.6
2174.0     1.548     87.3
2175.0     1.556     86.9
2176.0     1.564     86.6
2177.0     1.572     86.3
2178.0     1.580     86.0
2179.0     1.588     85.7
2180.0     1.596     85.4
2181.0     1.604     85.1
2182.0     1.612     84.8
2183.0     1.620     84.5
2184.0     1.628     84.2
2185.0     1.636     83.9
2186.0     1.643     83.6
2187.0     1.651     83.3
2188.0     1.659     83.0
2189.0     1.667     82.7
2190.0     1.674     82.4
2191.0     1.682     82.2
2192.0     1.690     81.9
2193.0     1.697     81.6
2194.0     1.705     81.3
2195.0     1.713     81.1
2196.0     1.720     80.8
2197.0     1.728     80.5
2198.0     1.735     80.3
2199.0     1.743     80.0
2200.0     1.750     79.8
2201.0     1.758     79.5
2202.0     1.765     79.3
2203.0     1.773     79.0
2204.0     1.780     78.8
2205.0     1.787     78.5
2206.0     1.795     78.3
2207.0     1.802     78.0
2208.0     1.809     77.8
2209.0     1.816     77.5
2210.0     1.824     77.3
2211.0     1.831     77.1
2212.0     1.838     76.8
2213.0     1.845     76.6
2214.0     1.852     76.4
2215.0     1.859     76.2
2216.0     1.866     75.9
2217.0     1.873     75.7
2218.0     1.880     75.5
2219.0     1.887     75.3
2220.0     1.894     75.0
2221.0     1.901     74.8
2222.0     1.908     74.6
2223.0     1.915     74.4
2224.0     1.922     74.2
2225.0     1.928     74.0
2226.0     1.935     73.8
2227.0     1.942     73.5
2228.0     1.948     73.3
2229.0     1.955     73.1
2230.0     1.962     72.9
2231.0     1.968     72.7
2232.0     1.975     72.5
2233.0     1.981     72.3
2234.0     1.988     72.1
2235.0     1.994     71.9
2236.0     2.001     71.7
2237.0     2.007     71.5
2238.0     2.013     71.3
2239.0     2.020     71.1
2240.0     2.026     71.0
2241.0     2.032     70.8
2242.0     2.039     70.6
2243.0     2.045     70.4
2244.0     2.051     70.2
2245.0     2.057     70.0
2246.0     2.063     69.8
2247.0     2.069     69.6
2248.0     2.075     69.5
2249.0     2.081     69.3
2250.0     2.087     69.1
2251.0     2.093     68.9
2252.0     2.099     68.7
2253.0     2.105     68.6
2254.0     2.110     68.4
2255.0     2.116     68.2
2256.0     2.122     68.0
2257.0     2.128     67.9
2258.0     2.133     67.7
2259.0     2.139     67.5
2260.0     2.145     67.4
2261.0     2.150     67.2
2262.0     2.156     67.0
2263.0     2.161     66.8
2264.0     2.167     66.7
2265.0     2.172     66.5
2266.0     2.177     66.3
2267.0     2.183     66.2
2268.0     2.188     66.0
2269.0     2.193     65.9
2270.0     2.199     65.7
2271.0     2.204     65.5
2272.0     2.209     65.4
2273.0     2.214     65.2
2274.0     2.219     65.0
2275.0     2.224     64.9
2276.0     2.229     64.7
2277.0     2.234     64.6
2278.0     2.239     64.4
2279.0     2.244     64.3
2280.0     2.249     64.1
2281.0     2.254     63.9
2282.0     2.259     63.8
2283.0     2.264     63.6
2284.0     2.268     63.5
2285.0     2.273     63.3
2286.0     2.278     63.2
2287.0     2.282     63.0
2288.0     2.287     62.9
2289.0     2.291     62.7
2290.0     2.296     62.6
2291.0     2.300     62.4
2292.0     2.305     62.3
2293.0     2.309     62.1
2294.0     2.314     62.0
2295.0     2.318     61.8
2296.0     2.322     61.7
2297.0     2.326     61.6
2298.0     2.331     61.4
2299.0     2.335     61.3
2300.0     2.339     61.1
2301.0     2.343     61.0
2302.0     2.347     60.8
2303.0     2.351     60.7
2304.0     2.355     60.6
2305.0     2.359     60.4
2306.0     2.363     60.3
2307.0     2.367     60.1
2308.0     2.371     60.0
2309.0     2.375     59.9
2310.0     2.378     59.7
2311.0     2.382     59.6
2312.0     2.386     59.4
2313.0     2.389     59.3
2314.0     2.393     59.2
2315.0     2.397     59.0
2316.0     2.400     58.9
2317.0     2.404     58.8
2318.0     2.407     58.6
2319.0     2.411     58.5
2320.0     2.414     58.4
2321.0     2.417     58.2
2322.0     2.421     58.1
2323.0     2.424     58.0
2324.0     2.427     57.8
2325.0     2.430     57.7
2326.0     2.433     57.6
2327.0     2.436     57.4
2328.0     2.440     57.3
2329.0     2.443     57.2
2330.0     2.446     57.0
2331.0     2.449     56.9
2332.0     2.451     56.8
2333.0     2.454     56.6
2334.0     2.457     56.5
2335.0     2.460     56.4
2336.0     2.463     56.2
2337.0     2.465     56.1
2338.0     2.468     56.0
2339.0     2.471     55.9
2340.0     2.473     55.7
2341.0     2.476     55.6
2342.0     2.478     55.5
2343.0     2.481     55.3
2344.0     2.483     55.2
2345.0     2.486     55.1
2346.0     2.488     55.0
2347.0     2.490     54.8
2348.0     2.493     54.7
2349.0     2.495     54.6
2350.0     2.497     54.5
2351.0     2.499     54.3
2352.0     2.501     54.2
2353.0     2.503     54.1
2354.0     2.506     54.0
2355.0     2.508     53.8
2356.0     2.509     53.7
2357.0     2.511     53.6
2358.0     2.513     53.5
2359.0     2.515     53.3
2360.0     2.517     53.2
2361.0     2.519     53.1
2362.0     2.520     53.0
2363.0     2.522     52.8
2364.0     2.524     52.7
2365.0     2.525     52.6
2366.0     2.527     52.5
2367.0     2.528     52.4
2368.0     2.530     52.2
2369.0     2.531     52.1
2370.0     2.533     52.0
2371.0     2.534     51.9
2372.0     2.535     51.7
2373.0     2.537     51.6
2374.0     2.538     51.5
2375.0     2.539     51.4
2376.0     2.540     51.3
2377.0     2.541     51.1
2378.0     2.542     51.0
2379.0     2.543     50.9
2380.0     2.544     50.8
2381.0     2.545     50.6
2382.0     2.546     50.5
2383.0     2.547     50.4
2384.0     2.548     50.3
2385.0     2.549     50.2
2386.0     2.549     50.0
2387.0     2.550     49.9
2388.0     2.551     49.8






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 4.0.


Acknowledgements
The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory.


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