Double Star Calculator - Orbit

Orbital Elements for A1031
WDS: A1031 WDS ID/Discoverer
P: 513.480 Orbital period (years)
a: 0.857 Semi-major axis (arcseconds)
i: 69.8 Inclination (degrees)
Ω: 158.9 Longitude of ascending node (degrees)
T: 1875.320 Epoch of periastron passage (year)
e: 0.564 Eccentricity
ω: 133.0 Longitude of periastron (degrees)
Start-Year: 1768.26 Year
End-Year: 2281.74 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for A1031
Position: 051515.45+471014.6 Epoch-2000 right ascension and declination
WDS-ID: 05153+4710 WDS designation
Discoverer Code: A1031 Discover designation and components
ADS number: 3812 Aitken Double Star catalog
HD number: 33798 HD catalog number
Hipparcos number: 24488 Hipparcos catalog number
V1: 7.16 Magnitude of the primary
V2: 9.13 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2004 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: Zir2008 Reference

Double Star Orbit for A1031



WDS 6th Orbit including measures of A1031

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


Legend:
Green plus signs:Visual (micrometric) measures
Violet asterisks:Photographic measures
Blue symbols:Various interferometric techniques
Dot-dash line:Indicates the line of nodes

Ephemeris of A1031
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.502   107.99
--------------------------
1768.26    0.989   157.63
1769.26    0.985   157.78
1770.26    0.980   157.93
1771.26    0.975   158.08
1772.26    0.971   158.24
1773.26    0.966   158.39
1774.26    0.961   158.55
1775.26    0.956   158.71
1776.26    0.951   158.87
1777.26    0.945   159.04
1778.26    0.940   159.20
1779.26    0.934   159.37
1780.26    0.929   159.54
1781.26    0.923   159.71
1782.26    0.917   159.88
1783.26    0.912   160.06
1784.26    0.906   160.24
1785.26    0.899   160.42
1786.26    0.893   160.60
1787.26    0.887   160.79
1788.26    0.881   160.97
1789.26    0.874   161.16
1790.26    0.867   161.36
1791.26    0.861   161.55
1792.26    0.854   161.75
1793.26    0.847   161.96
1794.26    0.840   162.16
1795.26    0.833   162.37
1796.26    0.825   162.59
1797.26    0.818   162.81
1798.26    0.810   163.03
1799.26    0.803   163.25
1800.26    0.795   163.48
1801.26    0.787   163.72
1802.26    0.779   163.96
1803.26    0.771   164.20
1804.26    0.762   164.45
1805.26    0.754   164.71
1806.26    0.745   164.97
1807.26    0.736   165.24
1808.26    0.728   165.51
1809.26    0.719   165.79
1810.26    0.709   166.08
1811.26    0.700   166.38
1812.26    0.691   166.68
1813.26    0.681   166.99
1814.26    0.671   167.31
1815.26    0.662   167.64
1816.26    0.652   167.98
1817.26    0.641   168.33
1818.26    0.631   168.70
1819.26    0.621   169.07
1820.26    0.610   169.46
1821.26    0.599   169.86
1822.26    0.588   170.28
1823.26    0.577   170.71
1824.26    0.566   171.16
1825.26    0.555   171.63
1826.26    0.543   172.11
1827.26    0.531   172.62
1828.26    0.520   173.15
1829.26    0.508   173.71
1830.26    0.496   174.29
1831.26    0.483   174.91
1832.26    0.471   175.55
1833.26    0.458   176.23
1834.26    0.445   176.95
1835.26    0.433   177.71
1836.26    0.420   178.52
1837.26    0.406   179.38
1838.26    0.393   180.30
1839.26    0.380   181.29
1840.26    0.366   182.34
1841.26    0.353   183.48
1842.26    0.339   184.70
1843.26    0.326   186.03
1844.26    0.312   187.48
1845.26    0.298   189.06
1846.26    0.284   190.79
1847.26    0.271   192.70
1848.26    0.257   194.80
1849.26    0.244   197.14
1850.26    0.231   199.74
1851.26    0.218   202.66
1852.26    0.206   205.92
1853.26    0.194   209.60
1854.26    0.183   213.73
1855.26    0.173   218.37
1856.26    0.164   223.56
1857.26    0.156   229.31
1858.26    0.150   235.60
1859.26    0.145   242.37
1860.26    0.143   249.46
1861.26    0.142   256.71
1862.26    0.144   263.91
1863.26    0.147   270.84
1864.26    0.153   277.37
1865.26    0.160   283.39
1866.26    0.168   288.86
1867.26    0.178   293.77
1868.26    0.188   298.17
1869.26    0.199   302.09
1870.26    0.211   305.59
1871.26    0.223   308.72
1872.26    0.235   311.54
1873.26    0.247   314.07
1874.26    0.259   316.37
1875.26    0.271   318.46
1876.26    0.283   320.38
1877.26    0.295   322.14
1878.26    0.306   323.76
1879.26    0.317   325.28
1880.26    0.328   326.69
1881.26    0.338   328.01
1882.26    0.348   329.26
1883.26    0.358   330.44
1884.26    0.367   331.55
1885.26    0.376   332.62
1886.26    0.384   333.64
1887.26    0.391   334.62
1888.26    0.399   335.56
1889.26    0.405   336.47
1890.26    0.412   337.35
1891.26    0.417   338.20
1892.26    0.423   339.03
1893.26    0.428   339.84
1894.26    0.432   340.64
1895.26    0.436   341.41
1896.26    0.440   342.18
1897.26    0.443   342.93
1898.26    0.446   343.67
1899.26    0.449   344.40
1900.26    0.451   345.13
1901.26    0.453   345.85
1902.26    0.455   346.56
1903.26    0.456   347.27
1904.26    0.457   347.97
1905.26    0.457   348.68
1906.26    0.458   349.38
1907.26    0.458   350.08
1908.26    0.458   350.78
1909.26    0.458   351.48
1910.26    0.457   352.18
1911.26    0.456   352.89
1912.26    0.455   353.59
1913.26    0.454   354.30
1914.26    0.453   355.02
1915.26    0.451   355.74
1916.26    0.450   356.46
1917.26    0.448   357.19
1918.26    0.446   357.92
1919.26    0.444   358.66
1920.26    0.442   359.41
1921.26    0.440     0.17
1922.26    0.437     0.93
1923.26    0.435     1.70
1924.26    0.432     2.49
1925.26    0.430     3.28
1926.26    0.427     4.08
1927.26    0.424     4.89
1928.26    0.421     5.71
1929.26    0.419     6.54
1930.26    0.416     7.38
1931.26    0.413     8.24
1932.26    0.410     9.11
1933.26    0.407     9.99
1934.26    0.404    10.88
1935.26    0.401    11.78
1936.26    0.398    12.70
1937.26    0.395    13.64
1938.26    0.392    14.58
1939.26    0.389    15.55
1940.26    0.386    16.52
1941.26    0.383    17.51
1942.26    0.381    18.52
1943.26    0.378    19.54
1944.26    0.375    20.58
1945.26    0.372    21.63
1946.26    0.370    22.70
1947.26    0.367    23.78
1948.26    0.364    24.88
1949.26    0.362    25.99
1950.26    0.360    27.12
1951.26    0.357    28.26
1952.26    0.355    29.42
1953.26    0.353    30.59
1954.26    0.351    31.78
1955.26    0.349    32.98
1956.26    0.347    34.19
1957.26    0.345    35.42
1958.26    0.343    36.66
1959.26    0.342    37.91
1960.26    0.340    39.17
1961.26    0.339    40.45
1962.26    0.338    41.73
1963.26    0.337    43.02
1964.26    0.336    44.32
1965.26    0.335    45.62
1966.26    0.334    46.93
1967.26    0.334    48.25
1968.26    0.333    49.57
1969.26    0.333    50.89
1970.26    0.333    52.21
1971.26    0.333    53.54
1972.26    0.333    54.86
1973.26    0.333    56.18
1974.26    0.334    57.50
1975.26    0.334    58.82
1976.26    0.335    60.13
1977.26    0.336    61.43
1978.26    0.337    62.73
1979.26    0.338    64.02
1980.26    0.339    65.30
1981.26    0.341    66.57
1982.26    0.342    67.83
1983.26    0.344    69.08
1984.26    0.345    70.32
1985.26    0.347    71.54
1986.26    0.349    72.75
1987.26    0.352    73.95
1988.26    0.354    75.13
1989.26    0.356    76.29
1990.26    0.359    77.44
1991.26    0.361    78.58
1992.26    0.364    79.69
1993.26    0.367    80.79
1994.26    0.370    81.87
1995.26    0.373    82.94
1996.26    0.376    83.99
1997.26    0.379    85.02
1998.26    0.382    86.03
1999.26    0.386    87.03
2000.26    0.389    88.00
2001.26    0.393    88.97
2002.26    0.396    89.91
2003.26    0.400    90.83
2004.26    0.404    91.74
2005.26    0.408    92.63
2006.26    0.412    93.51
2007.26    0.416    94.37
2008.26    0.420    95.21
2009.26    0.424    96.03
2010.26    0.428    96.84
2011.26    0.432    97.64
2012.26    0.436    98.41
2013.26    0.441    99.18
2014.26    0.445    99.93
2015.26    0.450   100.66
2016.26    0.454   101.38
2017.26    0.459   102.08
2018.26    0.463   102.78
2019.26    0.468   103.45
2020.26    0.472   104.12
2021.26    0.477   104.77
2022.26    0.482   105.41
2023.26    0.486   106.04
2024.26    0.491   106.65
2025.26    0.496   107.26
2026.26    0.501   107.85
2027.26    0.505   108.43
2028.26    0.510   109.00
2029.26    0.515   109.56
2030.26    0.520   110.10
2031.26    0.525   110.64
2032.26    0.530   111.17
2033.26    0.535   111.69
2034.26    0.539   112.20
2035.26    0.544   112.70
2036.26    0.549   113.19
2037.26    0.554   113.67
2038.26    0.559   114.15
2039.26    0.564   114.61
2040.26    0.569   115.07
2041.26    0.574   115.52
2042.26    0.579   115.96
2043.26    0.584   116.39
2044.26    0.589   116.82
2045.26    0.594   117.24
2046.26    0.599   117.65
2047.26    0.604   118.06
2048.26    0.609   118.46
2049.26    0.614   118.85
2050.26    0.619   119.23
2051.26    0.624   119.61
2052.26    0.629   119.99
2053.26    0.634   120.36
2054.26    0.639   120.72
2055.26    0.644   121.07
2056.26    0.649   121.43
2057.26    0.654   121.77
2058.26    0.659   122.11
2059.26    0.664   122.45
2060.26    0.669   122.78
2061.26    0.674   123.10
2062.26    0.679   123.43
2063.26    0.684   123.74
2064.26    0.688   124.05
2065.26    0.693   124.36
2066.26    0.698   124.67
2067.26    0.703   124.96
2068.26    0.708   125.26
2069.26    0.713   125.55
2070.26    0.718   125.84
2071.26    0.722   126.12
2072.26    0.727   126.40
2073.26    0.732   126.68
2074.26    0.737   126.95
2075.26    0.741   127.22
2076.26    0.746   127.48
2077.26    0.751   127.74
2078.26    0.756   128.00
2079.26    0.760   128.26
2080.26    0.765   128.51
2081.26    0.770   128.76
2082.26    0.774   129.01
2083.26    0.779   129.25
2084.26    0.783   129.49
2085.26    0.788   129.73
2086.26    0.792   129.96
2087.26    0.797   130.20
2088.26    0.801   130.43
2089.26    0.806   130.65
2090.26    0.810   130.88
2091.26    0.815   131.10
2092.26    0.819   131.32
2093.26    0.824   131.54
2094.26    0.828   131.75
2095.26    0.832   131.97
2096.26    0.837   132.18
2097.26    0.841   132.39
2098.26    0.845   132.59
2099.26    0.850   132.80
2100.26    0.854   133.00
2101.26    0.858   133.20
2102.26    0.862   133.40
2103.26    0.866   133.60
2104.26    0.871   133.79
2105.26    0.875   133.98
2106.26    0.879   134.17
2107.26    0.883   134.36
2108.26    0.887   134.55
2109.26    0.891   134.74
2110.26    0.895   134.92
2111.26    0.899   135.10
2112.26    0.903   135.28
2113.26    0.907   135.46
2114.26    0.911   135.64
2115.26    0.914   135.82
2116.26    0.918   135.99
2117.26    0.922   136.17
2118.26    0.926   136.34
2119.26    0.929   136.51
2120.26    0.933   136.68
2121.26    0.937   136.85
2122.26    0.941   137.01
2123.26    0.944   137.18
2124.26    0.948   137.34
2125.26    0.951   137.50
2126.26    0.955   137.67
2127.26    0.958   137.83
2128.26    0.962   137.99
2129.26    0.965   138.14
2130.26    0.969   138.30
2131.26    0.972   138.46
2132.26    0.975   138.61
2133.26    0.979   138.77
2134.26    0.982   138.92
2135.26    0.985   139.07
2136.26    0.989   139.22
2137.26    0.992   139.37
2138.26    0.995   139.52
2139.26    0.998   139.67
2140.26    1.001   139.81
2141.26    1.004   139.96
2142.26    1.007   140.11
2143.26    1.010   140.25
2144.26    1.013   140.39
2145.26    1.016   140.54
2146.26    1.019   140.68
2147.26    1.022   140.82
2148.26    1.025   140.96
2149.26    1.028   141.10
2150.26    1.030   141.24
2151.26    1.033   141.37
2152.26    1.036   141.51
2153.26    1.038   141.65
2154.26    1.041   141.78
2155.26    1.044   141.92
2156.26    1.046   142.05
2157.26    1.049   142.19
2158.26    1.051   142.32
2159.26    1.054   142.45
2160.26    1.056   142.59
2161.26    1.058   142.72
2162.26    1.061   142.85
2163.26    1.063   142.98
2164.26    1.065   143.11
2165.26    1.067   143.24
2166.26    1.070   143.37
2167.26    1.072   143.49
2168.26    1.074   143.62
2169.26    1.076   143.75
2170.26    1.078   143.87
2171.26    1.080   144.00
2172.26    1.082   144.13
2173.26    1.084   144.25
2174.26    1.086   144.38
2175.26    1.088   144.50
2176.26    1.089   144.62
2177.26    1.091   144.75
2178.26    1.093   144.87
2179.26    1.094   144.99
2180.26    1.096   145.12
2181.26    1.098   145.24
2182.26    1.099   145.36
2183.26    1.101   145.48
2184.26    1.102   145.60
2185.26    1.104   145.72
2186.26    1.105   145.84
2187.26    1.106   145.96
2188.26    1.108   146.08
2189.26    1.109   146.20
2190.26    1.110   146.32
2191.26    1.111   146.44
2192.26    1.112   146.56
2193.26    1.113   146.68
2194.26    1.114   146.80
2195.26    1.115   146.92
2196.26    1.116   147.03
2197.26    1.117   147.15
2198.26    1.118   147.27
2199.26    1.119   147.39
2200.26    1.120   147.50
2201.26    1.120   147.62
2202.26    1.121   147.74
2203.26    1.122   147.85
2204.26    1.122   147.97
2205.26    1.123   148.09
2206.26    1.123   148.20
2207.26    1.123   148.32
2208.26    1.124   148.44
2209.26    1.124   148.55
2210.26    1.124   148.67
2211.26    1.125   148.78
2212.26    1.125   148.90
2213.26    1.125   149.02
2214.26    1.125   149.13
2215.26    1.125   149.25
2216.26    1.125   149.37
2217.26    1.125   149.48
2218.26    1.125   149.60
2219.26    1.125   149.71
2220.26    1.124   149.83
2221.26    1.124   149.95
2222.26    1.124   150.06
2223.26    1.123   150.18
2224.26    1.123   150.29
2225.26    1.122   150.41
2226.26    1.122   150.53
2227.26    1.121   150.64
2228.26    1.120   150.76
2229.26    1.120   150.88
2230.26    1.119   151.00
2231.26    1.118   151.11
2232.26    1.117   151.23
2233.26    1.116   151.35
2234.26    1.115   151.47
2235.26    1.114   151.58
2236.26    1.113   151.70
2237.26    1.112   151.82
2238.26    1.110   151.94
2239.26    1.109   152.06
2240.26    1.108   152.18
2241.26    1.106   152.30
2242.26    1.105   152.42
2243.26    1.103   152.54
2244.26    1.102   152.66
2245.26    1.100   152.78
2246.26    1.098   152.90
2247.26    1.096   153.03
2248.26    1.094   153.15
2249.26    1.092   153.27
2250.26    1.090   153.39
2251.26    1.088   153.52
2252.26    1.086   153.64
2253.26    1.084   153.77
2254.26    1.082   153.89
2255.26    1.079   154.02
2256.26    1.077   154.14
2257.26    1.074   154.27
2258.26    1.072   154.40
2259.26    1.069   154.53
2260.26    1.066   154.65
2261.26    1.064   154.78
2262.26    1.061   154.91
2263.26    1.058   155.05
2264.26    1.055   155.18
2265.26    1.052   155.31
2266.26    1.049   155.44
2267.26    1.045   155.58
2268.26    1.042   155.71
2269.26    1.039   155.85
2270.26    1.035   155.98
2271.26    1.032   156.12
2272.26    1.028   156.26
2273.26    1.024   156.40
2274.26    1.020   156.54
2275.26    1.016   156.68
2276.26    1.013   156.82
2277.26    1.008   156.97
2278.26    1.004   157.11
2279.26    1.000   157.26
2280.26    0.996   157.41
2281.26    0.991   157.55






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This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 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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Report created: 2026-06-25 15:35:25



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