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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:30:28

Orbital Elements for A1
WDS: A1 WDS ID/Discoverer
P: 637.620 Orbital period (years)
a: 0.844 Semi-major axis (arcseconds)
i: 42.0 Inclination (degrees)
Ω: 232.1 Longitude of ascending node (degrees)
T: 1888.340 Epoch of periastron passage (year)
e: 0.454 Eccentricity
ω: 264.7 Longitude of periastron (degrees)
Start-Year: 1707.0 Year
End-Year: 2343.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A1
Position: 014223.63-064517.3 Epoch-2000 right ascension and declination
WDS-ID: 01424-0645 WDS designation
Discoverer Code: A1 Discover designation and components
ADS number: 1345 Aitken Double Star catalog
HD number: 10508 HD catalog number
Hipparcos number: 7968 Hipparcos catalog number
V1: 8.90 Magnitude of the primary
V2: 8.75 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2014 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for A1



WDS 6th Orbit including measures of A1

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


Ephemeris of A1
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.866    257.3
-------------------------
1707.0     0.866      0.9
1708.0     0.865      1.2
1709.0     0.865      1.6
1710.0     0.864      1.9
1711.0     0.863      2.3
1712.0     0.863      2.6
1713.0     0.862      3.0
1714.0     0.861      3.4
1715.0     0.861      3.7
1716.0     0.860      4.1
1717.0     0.859      4.4
1718.0     0.858      4.8
1719.0     0.858      5.2
1720.0     0.857      5.5
1721.0     0.856      5.9
1722.0     0.855      6.3
1723.0     0.855      6.6
1724.0     0.854      7.0
1725.0     0.853      7.3
1726.0     0.852      7.7
1727.0     0.851      8.1
1728.0     0.850      8.4
1729.0     0.850      8.8
1730.0     0.849      9.2
1731.0     0.848      9.6
1732.0     0.847      9.9
1733.0     0.846     10.3
1734.0     0.845     10.7
1735.0     0.844     11.0
1736.0     0.843     11.4
1737.0     0.842     11.8
1738.0     0.841     12.2
1739.0     0.840     12.5
1740.0     0.839     12.9
1741.0     0.838     13.3
1742.0     0.837     13.7
1743.0     0.836     14.1
1744.0     0.835     14.4
1745.0     0.833     14.8
1746.0     0.832     15.2
1747.0     0.831     15.6
1748.0     0.830     16.0
1749.0     0.829     16.4
1750.0     0.827     16.8
1751.0     0.826     17.1
1752.0     0.825     17.5
1753.0     0.824     17.9
1754.0     0.822     18.3
1755.0     0.821     18.7
1756.0     0.819     19.1
1757.0     0.818     19.5
1758.0     0.817     19.9
1759.0     0.815     20.3
1760.0     0.814     20.7
1761.0     0.812     21.1
1762.0     0.811     21.5
1763.0     0.809     21.9
1764.0     0.808     22.3
1765.0     0.806     22.7
1766.0     0.804     23.2
1767.0     0.803     23.6
1768.0     0.801     24.0
1769.0     0.799     24.4
1770.0     0.797     24.8
1771.0     0.796     25.2
1772.0     0.794     25.7
1773.0     0.792     26.1
1774.0     0.790     26.5
1775.0     0.788     26.9
1776.0     0.786     27.4
1777.0     0.784     27.8
1778.0     0.782     28.2
1779.0     0.780     28.7
1780.0     0.778     29.1
1781.0     0.776     29.5
1782.0     0.774     30.0
1783.0     0.772     30.4
1784.0     0.770     30.9
1785.0     0.767     31.3
1786.0     0.765     31.8
1787.0     0.763     32.2
1788.0     0.760     32.7
1789.0     0.758     33.2
1790.0     0.755     33.6
1791.0     0.753     34.1
1792.0     0.750     34.6
1793.0     0.748     35.0
1794.0     0.745     35.5
1795.0     0.743     36.0
1796.0     0.740     36.5
1797.0     0.737     37.0
1798.0     0.734     37.5
1799.0     0.731     38.0
1800.0     0.729     38.5
1801.0     0.726     39.0
1802.0     0.723     39.5
1803.0     0.720     40.0
1804.0     0.717     40.5
1805.0     0.713     41.0
1806.0     0.710     41.5
1807.0     0.707     42.1
1808.0     0.704     42.6
1809.0     0.700     43.2
1810.0     0.697     43.7
1811.0     0.694     44.3
1812.0     0.690     44.8
1813.0     0.687     45.4
1814.0     0.683     45.9
1815.0     0.679     46.5
1816.0     0.676     47.1
1817.0     0.672     47.7
1818.0     0.668     48.3
1819.0     0.664     48.9
1820.0     0.660     49.5
1821.0     0.656     50.1
1822.0     0.652     50.7
1823.0     0.648     51.3
1824.0     0.644     52.0
1825.0     0.640     52.6
1826.0     0.635     53.3
1827.0     0.631     54.0
1828.0     0.627     54.6
1829.0     0.622     55.3
1830.0     0.617     56.0
1831.0     0.613     56.7
1832.0     0.608     57.4
1833.0     0.604     58.1
1834.0     0.599     58.9
1835.0     0.594     59.6
1836.0     0.589     60.4
1837.0     0.584     61.2
1838.0     0.579     62.0
1839.0     0.574     62.8
1840.0     0.569     63.6
1841.0     0.564     64.4
1842.0     0.558     65.2
1843.0     0.553     66.1
1844.0     0.548     67.0
1845.0     0.542     67.9
1846.0     0.537     68.8
1847.0     0.531     69.7
1848.0     0.526     70.7
1849.0     0.520     71.7
1850.0     0.515     72.7
1851.0     0.509     73.7
1852.0     0.504     74.7
1853.0     0.498     75.8
1854.0     0.492     76.9
1855.0     0.486     78.0
1856.0     0.481     79.1
1857.0     0.475     80.3
1858.0     0.469     81.5
1859.0     0.463     82.7
1860.0     0.458     83.9
1861.0     0.452     85.2
1862.0     0.446     86.6
1863.0     0.441     87.9
1864.0     0.435     89.3
1865.0     0.430     90.7
1866.0     0.424     92.2
1867.0     0.419     93.7
1868.0     0.413     95.2
1869.0     0.408     96.8
1870.0     0.403     98.4
1871.0     0.398    100.1
1872.0     0.393    101.8
1873.0     0.389    103.5
1874.0     0.384    105.3
1875.0     0.380    107.1
1876.0     0.375    109.0
1877.0     0.371    110.9
1878.0     0.368    112.9
1879.0     0.364    114.9
1880.0     0.361    116.9
1881.0     0.358    119.0
1882.0     0.355    121.1
1883.0     0.352    123.2
1884.0     0.350    125.3
1885.0     0.348    127.5
1886.0     0.346    129.7
1887.0     0.345    132.0
1888.0     0.344    134.2
1889.0     0.343    136.5
1890.0     0.343    138.7
1891.0     0.343    141.0
1892.0     0.343    143.3
1893.0     0.344    145.5
1894.0     0.345    147.8
1895.0     0.346    150.0
1896.0     0.348    152.2
1897.0     0.349    154.4
1898.0     0.352    156.6
1899.0     0.354    158.7
1900.0     0.357    160.8
1901.0     0.360    162.9
1902.0     0.363    164.9
1903.0     0.367    166.9
1904.0     0.371    168.9
1905.0     0.375    170.8
1906.0     0.379    172.7
1907.0     0.383    174.5
1908.0     0.388    176.3
1909.0     0.393    178.0
1910.0     0.398    179.8
1911.0     0.403    181.4
1912.0     0.408    183.0
1913.0     0.414    184.6
1914.0     0.419    186.1
1915.0     0.425    187.6
1916.0     0.430    189.1
1917.0     0.436    190.5
1918.0     0.442    191.9
1919.0     0.447    193.3
1920.0     0.453    194.6
1921.0     0.459    195.8
1922.0     0.465    197.1
1923.0     0.471    198.3
1924.0     0.477    199.5
1925.0     0.483    200.6
1926.0     0.489    201.8
1927.0     0.495    202.9
1928.0     0.501    203.9
1929.0     0.507    205.0
1930.0     0.513    206.0
1931.0     0.519    207.0
1932.0     0.525    208.0
1933.0     0.531    208.9
1934.0     0.537    209.9
1935.0     0.543    210.8
1936.0     0.549    211.7
1937.0     0.555    212.6
1938.0     0.560    213.4
1939.0     0.566    214.3
1940.0     0.572    215.1
1941.0     0.577    215.9
1942.0     0.583    216.7
1943.0     0.588    217.5
1944.0     0.594    218.2
1945.0     0.599    219.0
1946.0     0.605    219.7
1947.0     0.610    220.4
1948.0     0.615    221.1
1949.0     0.620    221.8
1950.0     0.626    222.5
1951.0     0.631    223.2
1952.0     0.636    223.9
1953.0     0.641    224.5
1954.0     0.646    225.2
1955.0     0.650    225.8
1956.0     0.655    226.4
1957.0     0.660    227.0
1958.0     0.665    227.6
1959.0     0.669    228.2
1960.0     0.674    228.8
1961.0     0.678    229.4
1962.0     0.683    230.0
1963.0     0.687    230.5
1964.0     0.692    231.1
1965.0     0.696    231.7
1966.0     0.700    232.2
1967.0     0.704    232.7
1968.0     0.709    233.3
1969.0     0.713    233.8
1970.0     0.717    234.3
1971.0     0.721    234.8
1972.0     0.724    235.4
1973.0     0.728    235.9
1974.0     0.732    236.4
1975.0     0.736    236.9
1976.0     0.740    237.3
1977.0     0.743    237.8
1978.0     0.747    238.3
1979.0     0.750    238.8
1980.0     0.754    239.3
1981.0     0.757    239.7
1982.0     0.761    240.2
1983.0     0.764    240.6
1984.0     0.767    241.1
1985.0     0.770    241.5
1986.0     0.774    242.0
1987.0     0.777    242.4
1988.0     0.780    242.9
1989.0     0.783    243.3
1990.0     0.786    243.7
1991.0     0.789    244.2
1992.0     0.792    244.6
1993.0     0.795    245.0
1994.0     0.798    245.4
1995.0     0.800    245.9
1996.0     0.803    246.3
1997.0     0.806    246.7
1998.0     0.808    247.1
1999.0     0.811    247.5
2000.0     0.814    247.9
2001.0     0.816    248.3
2002.0     0.819    248.7
2003.0     0.821    249.1
2004.0     0.823    249.5
2005.0     0.826    249.9
2006.0     0.828    250.3
2007.0     0.830    250.7
2008.0     0.833    251.0
2009.0     0.835    251.4
2010.0     0.837    251.8
2011.0     0.839    252.2
2012.0     0.841    252.6
2013.0     0.843    252.9
2014.0     0.845    253.3
2015.0     0.847    253.7
2016.0     0.849    254.1
2017.0     0.851    254.4
2018.0     0.853    254.8
2019.0     0.855    255.2
2020.0     0.857    255.5
2021.0     0.859    255.9
2022.0     0.861    256.2
2023.0     0.862    256.6
2024.0     0.864    257.0
2025.0     0.866    257.3
2026.0     0.867    257.7
2027.0     0.869    258.0
2028.0     0.871    258.4
2029.0     0.872    258.7
2030.0     0.874    259.1
2031.0     0.875    259.4
2032.0     0.877    259.8
2033.0     0.878    260.1
2034.0     0.880    260.5
2035.0     0.881    260.8
2036.0     0.882    261.1
2037.0     0.884    261.5
2038.0     0.885    261.8
2039.0     0.886    262.2
2040.0     0.888    262.5
2041.0     0.889    262.8
2042.0     0.890    263.2
2043.0     0.891    263.5
2044.0     0.892    263.9
2045.0     0.894    264.2
2046.0     0.895    264.5
2047.0     0.896    264.9
2048.0     0.897    265.2
2049.0     0.898    265.5
2050.0     0.899    265.8
2051.0     0.900    266.2
2052.0     0.901    266.5
2053.0     0.902    266.8
2054.0     0.903    267.2
2055.0     0.904    267.5
2056.0     0.905    267.8
2057.0     0.906    268.1
2058.0     0.906    268.5
2059.0     0.907    268.8
2060.0     0.908    269.1
2061.0     0.909    269.4
2062.0     0.910    269.8
2063.0     0.911    270.1
2064.0     0.911    270.4
2065.0     0.912    270.7
2066.0     0.913    271.0
2067.0     0.913    271.4
2068.0     0.914    271.7
2069.0     0.915    272.0
2070.0     0.915    272.3
2071.0     0.916    272.6
2072.0     0.917    272.9
2073.0     0.917    273.3
2074.0     0.918    273.6
2075.0     0.918    273.9
2076.0     0.919    274.2
2077.0     0.919    274.5
2078.0     0.920    274.8
2079.0     0.921    275.2
2080.0     0.921    275.5
2081.0     0.921    275.8
2082.0     0.922    276.1
2083.0     0.922    276.4
2084.0     0.923    276.7
2085.0     0.923    277.0
2086.0     0.924    277.3
2087.0     0.924    277.7
2088.0     0.924    278.0
2089.0     0.925    278.3
2090.0     0.925    278.6
2091.0     0.925    278.9
2092.0     0.926    279.2
2093.0     0.926    279.5
2094.0     0.926    279.8
2095.0     0.927    280.1
2096.0     0.927    280.5
2097.0     0.927    280.8
2098.0     0.927    281.1
2099.0     0.928    281.4
2100.0     0.928    281.7
2101.0     0.928    282.0
2102.0     0.928    282.3
2103.0     0.929    282.6
2104.0     0.929    282.9
2105.0     0.929    283.2
2106.0     0.929    283.5
2107.0     0.929    283.9
2108.0     0.929    284.2
2109.0     0.930    284.5
2110.0     0.930    284.8
2111.0     0.930    285.1
2112.0     0.930    285.4
2113.0     0.930    285.7
2114.0     0.930    286.0
2115.0     0.930    286.3
2116.0     0.930    286.6
2117.0     0.930    286.9
2118.0     0.930    287.2
2119.0     0.930    287.5
2120.0     0.930    287.9
2121.0     0.930    288.2
2122.0     0.930    288.5
2123.0     0.930    288.8
2124.0     0.930    289.1
2125.0     0.931    289.4
2126.0     0.930    289.7
2127.0     0.930    290.0
2128.0     0.930    290.3
2129.0     0.930    290.6
2130.0     0.930    290.9
2131.0     0.930    291.2
2132.0     0.930    291.5
2133.0     0.930    291.9
2134.0     0.930    292.2
2135.0     0.930    292.5
2136.0     0.930    292.8
2137.0     0.930    293.1
2138.0     0.930    293.4
2139.0     0.930    293.7
2140.0     0.930    294.0
2141.0     0.930    294.3
2142.0     0.929    294.6
2143.0     0.929    294.9
2144.0     0.929    295.2
2145.0     0.929    295.6
2146.0     0.929    295.9
2147.0     0.929    296.2
2148.0     0.929    296.5
2149.0     0.929    296.8
2150.0     0.928    297.1
2151.0     0.928    297.4
2152.0     0.928    297.7
2153.0     0.928    298.0
2154.0     0.928    298.3
2155.0     0.928    298.6
2156.0     0.927    299.0
2157.0     0.927    299.3
2158.0     0.927    299.6
2159.0     0.927    299.9
2160.0     0.927    300.2
2161.0     0.927    300.5
2162.0     0.926    300.8
2163.0     0.926    301.1
2164.0     0.926    301.4
2165.0     0.926    301.7
2166.0     0.926    302.1
2167.0     0.925    302.4
2168.0     0.925    302.7
2169.0     0.925    303.0
2170.0     0.925    303.3
2171.0     0.924    303.6
2172.0     0.924    303.9
2173.0     0.924    304.2
2174.0     0.924    304.5
2175.0     0.924    304.9
2176.0     0.923    305.2
2177.0     0.923    305.5
2178.0     0.923    305.8
2179.0     0.923    306.1
2180.0     0.922    306.4
2181.0     0.922    306.7
2182.0     0.922    307.0
2183.0     0.922    307.4
2184.0     0.921    307.7
2185.0     0.921    308.0
2186.0     0.921    308.3
2187.0     0.921    308.6
2188.0     0.920    308.9
2189.0     0.920    309.2
2190.0     0.920    309.6
2191.0     0.920    309.9
2192.0     0.919    310.2
2193.0     0.919    310.5
2194.0     0.919    310.8
2195.0     0.918    311.1
2196.0     0.918    311.5
2197.0     0.918    311.8
2198.0     0.918    312.1
2199.0     0.917    312.4
2200.0     0.917    312.7
2201.0     0.917    313.0
2202.0     0.917    313.3
2203.0     0.916    313.7
2204.0     0.916    314.0
2205.0     0.916    314.3
2206.0     0.915    314.6
2207.0     0.915    314.9
2208.0     0.915    315.3
2209.0     0.915    315.6
2210.0     0.914    315.9
2211.0     0.914    316.2
2212.0     0.914    316.5
2213.0     0.913    316.8
2214.0     0.913    317.2
2215.0     0.913    317.5
2216.0     0.913    317.8
2217.0     0.912    318.1
2218.0     0.912    318.4
2219.0     0.912    318.8
2220.0     0.911    319.1
2221.0     0.911    319.4
2222.0     0.911    319.7
2223.0     0.911    320.0
2224.0     0.910    320.4
2225.0     0.910    320.7
2226.0     0.910    321.0
2227.0     0.909    321.3
2228.0     0.909    321.7
2229.0     0.909    322.0
2230.0     0.909    322.3
2231.0     0.908    322.6
2232.0     0.908    322.9
2233.0     0.908    323.3
2234.0     0.907    323.6
2235.0     0.907    323.9
2236.0     0.907    324.2
2237.0     0.907    324.6
2238.0     0.906    324.9
2239.0     0.906    325.2
2240.0     0.906    325.5
2241.0     0.905    325.9
2242.0     0.905    326.2
2243.0     0.905    326.5
2244.0     0.904    326.8
2245.0     0.904    327.2
2246.0     0.904    327.5
2247.0     0.904    327.8
2248.0     0.903    328.1
2249.0     0.903    328.5
2250.0     0.903    328.8
2251.0     0.902    329.1
2252.0     0.902    329.5
2253.0     0.902    329.8
2254.0     0.902    330.1
2255.0     0.901    330.4
2256.0     0.901    330.8
2257.0     0.901    331.1
2258.0     0.900    331.4
2259.0     0.900    331.7
2260.0     0.900    332.1
2261.0     0.899    332.4
2262.0     0.899    332.7
2263.0     0.899    333.1
2264.0     0.899    333.4
2265.0     0.898    333.7
2266.0     0.898    334.1
2267.0     0.898    334.4
2268.0     0.897    334.7
2269.0     0.897    335.0
2270.0     0.897    335.4
2271.0     0.896    335.7
2272.0     0.896    336.0
2273.0     0.896    336.4
2274.0     0.895    336.7
2275.0     0.895    337.0
2276.0     0.895    337.4
2277.0     0.895    337.7
2278.0     0.894    338.0
2279.0     0.894    338.4
2280.0     0.894    338.7
2281.0     0.893    339.0
2282.0     0.893    339.4
2283.0     0.893    339.7
2284.0     0.892    340.0
2285.0     0.892    340.4
2286.0     0.892    340.7
2287.0     0.891    341.0
2288.0     0.891    341.4
2289.0     0.891    341.7
2290.0     0.890    342.0
2291.0     0.890    342.4
2292.0     0.890    342.7
2293.0     0.889    343.1
2294.0     0.889    343.4
2295.0     0.889    343.7
2296.0     0.888    344.1
2297.0     0.888    344.4
2298.0     0.888    344.7
2299.0     0.887    345.1
2300.0     0.887    345.4
2301.0     0.886    345.8
2302.0     0.886    346.1
2303.0     0.886    346.4
2304.0     0.885    346.8
2305.0     0.885    347.1
2306.0     0.885    347.5
2307.0     0.884    347.8
2308.0     0.884    348.1
2309.0     0.883    348.5
2310.0     0.883    348.8
2311.0     0.883    349.2
2312.0     0.882    349.5
2313.0     0.882    349.8
2314.0     0.881    350.2
2315.0     0.881    350.5
2316.0     0.881    350.9
2317.0     0.880    351.2
2318.0     0.880    351.6
2319.0     0.879    351.9
2320.0     0.879    352.3
2321.0     0.878    352.6
2322.0     0.878    352.9
2323.0     0.877    353.3
2324.0     0.877    353.6
2325.0     0.877    354.0
2326.0     0.876    354.3
2327.0     0.876    354.7
2328.0     0.875    355.0
2329.0     0.875    355.4
2330.0     0.874    355.7
2331.0     0.874    356.1
2332.0     0.873    356.4
2333.0     0.873    356.8
2334.0     0.872    357.1
2335.0     0.871    357.5
2336.0     0.871    357.8
2337.0     0.870    358.2
2338.0     0.870    358.5
2339.0     0.869    358.9
2340.0     0.869    359.2
2341.0     0.868    359.6
2342.0     0.868    359.9






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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