Double Star Calculator - Orbit

Orbital Elements for LDS873
WDS: LDS873 WDS ID/Discoverer
P: 521.390 Orbital period (years)
a: 3.366 Semi-major axis (arcseconds)
i: 53.2 Inclination (degrees)
Ω: 92.5 Longitude of ascending node (degrees)
T: 2079.310 Epoch of periastron passage (year)
e: 0.711 Eccentricity
ω: 81.0 Longitude of periastron (degrees)
Start-Year: 1764.305 Year
End-Year: 2285.695 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for LDS873
Position: 010314.17+200552.1 Epoch-2000 right ascension and declination
WDS-ID: 01032+2006 WDS designation
Discoverer Code: LDS873 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 4927 Hipparcos catalog number
V1: 12.24 Magnitude of the primary
V2: 12.97 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1999 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: FMR2008b Reference

Double Star Orbit for LDS873



WDS 6th Orbit including measures of LDS873

-- 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 LDS873
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    2.325    62.89
--------------------------
1764.31    3.624   333.74
1765.31    3.623   334.00
1766.31    3.622   334.25
1767.31    3.621   334.50
1768.31    3.620   334.75
1769.31    3.619   335.00
1770.31    3.618   335.25
1771.31    3.617   335.50
1772.31    3.616   335.76
1773.31    3.615   336.01
1774.31    3.614   336.26
1775.31    3.613   336.51
1776.31    3.611   336.77
1777.31    3.610   337.02
1778.31    3.609   337.27
1779.31    3.607   337.52
1780.31    3.606   337.78
1781.31    3.604   338.03
1782.31    3.603   338.29
1783.31    3.601   338.54
1784.31    3.600   338.79
1785.31    3.598   339.05
1786.31    3.596   339.30
1787.31    3.595   339.56
1788.31    3.593   339.81
1789.31    3.591   340.07
1790.31    3.589   340.32
1791.31    3.587   340.58
1792.31    3.585   340.84
1793.31    3.584   341.09
1794.31    3.582   341.35
1795.31    3.580   341.61
1796.31    3.578   341.86
1797.31    3.576   342.12
1798.31    3.573   342.38
1799.31    3.571   342.64
1800.31    3.569   342.90
1801.31    3.567   343.15
1802.31    3.565   343.41
1803.31    3.563   343.67
1804.31    3.560   343.93
1805.31    3.558   344.19
1806.31    3.556   344.45
1807.31    3.553   344.71
1808.31    3.551   344.98
1809.31    3.548   345.24
1810.31    3.546   345.50
1811.31    3.544   345.76
1812.31    3.541   346.02
1813.31    3.538   346.29
1814.31    3.536   346.55
1815.31    3.533   346.81
1816.31    3.531   347.08
1817.31    3.528   347.34
1818.31    3.525   347.61
1819.31    3.523   347.87
1820.31    3.520   348.14
1821.31    3.517   348.40
1822.31    3.514   348.67
1823.31    3.512   348.94
1824.31    3.509   349.21
1825.31    3.506   349.47
1826.31    3.503   349.74
1827.31    3.500   350.01
1828.31    3.497   350.28
1829.31    3.494   350.55
1830.31    3.491   350.82
1831.31    3.488   351.09
1832.31    3.485   351.36
1833.31    3.482   351.63
1834.31    3.479   351.90
1835.31    3.476   352.18
1836.31    3.473   352.45
1837.31    3.470   352.72
1838.31    3.467   353.00
1839.31    3.463   353.27
1840.31    3.460   353.55
1841.31    3.457   353.82
1842.31    3.454   354.10
1843.31    3.450   354.38
1844.31    3.447   354.65
1845.31    3.444   354.93
1846.31    3.440   355.21
1847.31    3.437   355.49
1848.31    3.434   355.77
1849.31    3.430   356.05
1850.31    3.427   356.33
1851.31    3.423   356.61
1852.31    3.420   356.89
1853.31    3.416   357.17
1854.31    3.413   357.45
1855.31    3.409   357.74
1856.31    3.406   358.02
1857.31    3.402   358.30
1858.31    3.399   358.59
1859.31    3.395   358.87
1860.31    3.392   359.16
1861.31    3.388   359.45
1862.31    3.384   359.74
1863.31    3.381     0.02
1864.31    3.377     0.31
1865.31    3.373     0.60
1866.31    3.369     0.89
1867.31    3.366     1.18
1868.31    3.362     1.47
1869.31    3.358     1.76
1870.31    3.354     2.06
1871.31    3.350     2.35
1872.31    3.347     2.64
1873.31    3.343     2.94
1874.31    3.339     3.23
1875.31    3.335     3.53
1876.31    3.331     3.83
1877.31    3.327     4.12
1878.31    3.323     4.42
1879.31    3.319     4.72
1880.31    3.315     5.02
1881.31    3.311     5.32
1882.31    3.307     5.62
1883.31    3.303     5.92
1884.31    3.299     6.23
1885.31    3.295     6.53
1886.31    3.291     6.83
1887.31    3.287     7.14
1888.31    3.283     7.44
1889.31    3.279     7.75
1890.31    3.274     8.06
1891.31    3.270     8.36
1892.31    3.266     8.67
1893.31    3.262     8.98
1894.31    3.258     9.29
1895.31    3.253     9.60
1896.31    3.249     9.91
1897.31    3.245    10.23
1898.31    3.240    10.54
1899.31    3.236    10.85
1900.31    3.232    11.17
1901.31    3.227    11.49
1902.31    3.223    11.80
1903.31    3.219    12.12
1904.31    3.214    12.44
1905.31    3.210    12.76
1906.31    3.205    13.08
1907.31    3.201    13.40
1908.31    3.196    13.72
1909.31    3.192    14.04
1910.31    3.187    14.37
1911.31    3.183    14.69
1912.31    3.178    15.02
1913.31    3.174    15.35
1914.31    3.169    15.67
1915.31    3.164    16.00
1916.31    3.160    16.33
1917.31    3.155    16.66
1918.31    3.150    16.99
1919.31    3.146    17.33
1920.31    3.141    17.66
1921.31    3.136    17.99
1922.31    3.131    18.33
1923.31    3.126    18.67
1924.31    3.122    19.00
1925.31    3.117    19.34
1926.31    3.112    19.68
1927.31    3.107    20.02
1928.31    3.102    20.37
1929.31    3.097    20.71
1930.31    3.092    21.05
1931.31    3.087    21.40
1932.31    3.082    21.74
1933.31    3.077    22.09
1934.31    3.072    22.44
1935.31    3.067    22.79
1936.31    3.062    23.14
1937.31    3.056    23.49
1938.31    3.051    23.85
1939.31    3.046    24.20
1940.31    3.041    24.56
1941.31    3.035    24.91
1942.31    3.030    25.27
1943.31    3.025    25.63
1944.31    3.019    25.99
1945.31    3.014    26.35
1946.31    3.008    26.72
1947.31    3.003    27.08
1948.31    2.997    27.45
1949.31    2.992    27.82
1950.31    2.986    28.18
1951.31    2.981    28.56
1952.31    2.975    28.93
1953.31    2.969    29.30
1954.31    2.964    29.67
1955.31    2.958    30.05
1956.31    2.952    30.43
1957.31    2.946    30.81
1958.31    2.940    31.19
1959.31    2.934    31.57
1960.31    2.928    31.95
1961.31    2.922    32.34
1962.31    2.916    32.72
1963.31    2.910    33.11
1964.31    2.904    33.50
1965.31    2.897    33.89
1966.31    2.891    34.29
1967.31    2.885    34.68
1968.31    2.878    35.08
1969.31    2.872    35.48
1970.31    2.865    35.88
1971.31    2.859    36.28
1972.31    2.852    36.69
1973.31    2.845    37.09
1974.31    2.838    37.50
1975.31    2.832    37.91
1976.31    2.825    38.32
1977.31    2.818    38.74
1978.31    2.811    39.15
1979.31    2.803    39.57
1980.31    2.796    39.99
1981.31    2.789    40.41
1982.31    2.782    40.84
1983.31    2.774    41.26
1984.31    2.767    41.69
1985.31    2.759    42.13
1986.31    2.751    42.56
1987.31    2.743    43.00
1988.31    2.736    43.44
1989.31    2.728    43.88
1990.31    2.720    44.32
1991.31    2.711    44.77
1992.31    2.703    45.22
1993.31    2.695    45.67
1994.31    2.686    46.13
1995.31    2.677    46.58
1996.31    2.669    47.04
1997.31    2.660    47.51
1998.31    2.651    47.98
1999.31    2.642    48.45
2000.31    2.633    48.92
2001.31    2.623    49.40
2002.31    2.614    49.88
2003.31    2.604    50.36
2004.31    2.594    50.85
2005.31    2.584    51.34
2006.31    2.574    51.84
2007.31    2.564    52.34
2008.31    2.553    52.84
2009.31    2.543    53.35
2010.31    2.532    53.86
2011.31    2.521    54.38
2012.31    2.509    54.90
2013.31    2.498    55.42
2014.31    2.486    55.95
2015.31    2.475    56.49
2016.31    2.463    57.03
2017.31    2.450    57.58
2018.31    2.438    58.13
2019.31    2.425    58.68
2020.31    2.412    59.25
2021.31    2.399    59.82
2022.31    2.385    60.39
2023.31    2.371    60.98
2024.31    2.357    61.57
2025.31    2.343    62.16
2026.31    2.328    62.77
2027.31    2.313    63.38
2028.31    2.297    64.00
2029.31    2.282    64.63
2030.31    2.266    65.26
2031.31    2.249    65.91
2032.31    2.232    66.57
2033.31    2.215    67.23
2034.31    2.197    67.91
2035.31    2.179    68.60
2036.31    2.160    69.30
2037.31    2.141    70.01
2038.31    2.121    70.74
2039.31    2.101    71.48
2040.31    2.080    72.23
2041.31    2.058    73.00
2042.31    2.036    73.79
2043.31    2.014    74.59
2044.31    1.990    75.41
2045.31    1.966    76.26
2046.31    1.941    77.12
2047.31    1.916    78.00
2048.31    1.889    78.91
2049.31    1.862    79.85
2050.31    1.834    80.82
2051.31    1.805    81.81
2052.31    1.775    82.84
2053.31    1.744    83.90
2054.31    1.711    85.01
2055.31    1.678    86.16
2056.31    1.644    87.35
2057.31    1.608    88.60
2058.31    1.570    89.90
2059.31    1.532    91.27
2060.31    1.492    92.71
2061.31    1.450    94.24
2062.31    1.407    95.85
2063.31    1.363    97.57
2064.31    1.317    99.40
2065.31    1.269   101.37
2066.31    1.219   103.50
2067.31    1.168   105.82
2068.31    1.116   108.34
2069.31    1.062   111.12
2070.31    1.007   114.20
2071.31    0.952   117.64
2072.31    0.896   121.50
2073.31    0.841   125.88
2074.31    0.787   130.86
2075.31    0.736   136.54
2076.31    0.690   143.04
2077.31    0.649   150.41
2078.31    0.617   158.65
2079.31    0.595   167.64
2080.31    0.586   177.13
2081.31    0.589   186.72
2082.31    0.604   196.02
2083.31    0.632   204.67
2084.31    0.669   212.49
2085.31    0.713   219.42
2086.31    0.763   225.48
2087.31    0.817   230.76
2088.31    0.874   235.37
2089.31    0.933   239.42
2090.31    0.992   242.98
2091.31    1.051   246.14
2092.31    1.110   248.97
2093.31    1.168   251.51
2094.31    1.225   253.81
2095.31    1.282   255.91
2096.31    1.337   257.83
2097.31    1.391   259.60
2098.31    1.443   261.24
2099.31    1.495   262.77
2100.31    1.544   264.20
2101.31    1.593   265.54
2102.31    1.640   266.80
2103.31    1.687   267.99
2104.31    1.731   269.12
2105.31    1.775   270.19
2106.31    1.818   271.21
2107.31    1.859   272.18
2108.31    1.899   273.12
2109.31    1.939   274.01
2110.31    1.977   274.87
2111.31    2.014   275.70
2112.31    2.051   276.50
2113.31    2.086   277.27
2114.31    2.121   278.01
2115.31    2.154   278.73
2116.31    2.187   279.43
2117.31    2.219   280.11
2118.31    2.250   280.77
2119.31    2.281   281.41
2120.31    2.311   282.04
2121.31    2.340   282.65
2122.31    2.368   283.24
2123.31    2.396   283.82
2124.31    2.423   284.39
2125.31    2.450   284.95
2126.31    2.476   285.49
2127.31    2.501   286.02
2128.31    2.526   286.54
2129.31    2.550   287.05
2130.31    2.574   287.56
2131.31    2.597   288.05
2132.31    2.620   288.53
2133.31    2.642   289.01
2134.31    2.664   289.48
2135.31    2.685   289.94
2136.31    2.706   290.39
2137.31    2.727   290.84
2138.31    2.747   291.28
2139.31    2.766   291.71
2140.31    2.786   292.14
2141.31    2.804   292.56
2142.31    2.823   292.98
2143.31    2.841   293.39
2144.31    2.859   293.79
2145.31    2.876   294.20
2146.31    2.893   294.59
2147.31    2.910   294.98
2148.31    2.926   295.37
2149.31    2.942   295.75
2150.31    2.958   296.13
2151.31    2.973   296.51
2152.31    2.989   296.88
2153.31    3.003   297.24
2154.31    3.018   297.61
2155.31    3.032   297.97
2156.31    3.046   298.32
2157.31    3.060   298.68
2158.31    3.073   299.03
2159.31    3.087   299.38
2160.31    3.100   299.72
2161.31    3.112   300.06
2162.31    3.125   300.40
2163.31    3.137   300.74
2164.31    3.149   301.07
2165.31    3.161   301.40
2166.31    3.172   301.73
2167.31    3.184   302.06
2168.31    3.195   302.38
2169.31    3.206   302.70
2170.31    3.216   303.02
2171.31    3.227   303.34
2172.31    3.237   303.65
2173.31    3.247   303.97
2174.31    3.257   304.28
2175.31    3.267   304.59
2176.31    3.276   304.90
2177.31    3.286   305.20
2178.31    3.295   305.51
2179.31    3.304   305.81
2180.31    3.313   306.11
2181.31    3.321   306.41
2182.31    3.330   306.71
2183.31    3.338   307.00
2184.31    3.346   307.30
2185.31    3.354   307.59
2186.31    3.362   307.89
2187.31    3.370   308.18
2188.31    3.377   308.47
2189.31    3.385   308.75
2190.31    3.392   309.04
2191.31    3.399   309.33
2192.31    3.406   309.61
2193.31    3.413   309.89
2194.31    3.419   310.18
2195.31    3.426   310.46
2196.31    3.432   310.74
2197.31    3.439   311.02
2198.31    3.445   311.30
2199.31    3.451   311.57
2200.31    3.456   311.85
2201.31    3.462   312.13
2202.31    3.468   312.40
2203.31    3.473   312.67
2204.31    3.479   312.95
2205.31    3.484   313.22
2206.31    3.489   313.49
2207.31    3.494   313.76
2208.31    3.499   314.03
2209.31    3.504   314.30
2210.31    3.508   314.57
2211.31    3.513   314.83
2212.31    3.517   315.10
2213.31    3.522   315.37
2214.31    3.526   315.63
2215.31    3.530   315.90
2216.31    3.534   316.16
2217.31    3.538   316.42
2218.31    3.542   316.69
2219.31    3.546   316.95
2220.31    3.549   317.21
2221.31    3.553   317.47
2222.31    3.556   317.73
2223.31    3.560   317.99
2224.31    3.563   318.25
2225.31    3.566   318.51
2226.31    3.569   318.77
2227.31    3.572   319.03
2228.31    3.575   319.29
2229.31    3.578   319.54
2230.31    3.581   319.80
2231.31    3.583   320.06
2232.31    3.586   320.32
2233.31    3.588   320.57
2234.31    3.591   320.83
2235.31    3.593   321.08
2236.31    3.595   321.34
2237.31    3.598   321.59
2238.31    3.600   321.85
2239.31    3.602   322.10
2240.31    3.604   322.35
2241.31    3.605   322.61
2242.31    3.607   322.86
2243.31    3.609   323.12
2244.31    3.611   323.37
2245.31    3.612   323.62
2246.31    3.614   323.87
2247.31    3.615   324.13
2248.31    3.616   324.38
2249.31    3.618   324.63
2250.31    3.619   324.88
2251.31    3.620   325.13
2252.31    3.621   325.38
2253.31    3.622   325.64
2254.31    3.623   325.89
2255.31    3.624   326.14
2256.31    3.625   326.39
2257.31    3.626   326.64
2258.31    3.626   326.89
2259.31    3.627   327.14
2260.31    3.628   327.39
2261.31    3.628   327.64
2262.31    3.629   327.89
2263.31    3.629   328.14
2264.31    3.629   328.39
2265.31    3.630   328.64
2266.31    3.630   328.89
2267.31    3.630   329.14
2268.31    3.630   329.39
2269.31    3.630   329.64
2270.31    3.630   329.89
2271.31    3.630   330.14
2272.31    3.630   330.39
2273.31    3.630   330.64
2274.31    3.630   330.89
2275.31    3.629   331.14
2276.31    3.629   331.39
2277.31    3.629   331.64
2278.31    3.628   331.89
2279.31    3.628   332.14
2280.31    3.627   332.39
2281.31    3.627   332.64
2282.31    3.626   332.89
2283.31    3.626   333.15
2284.31    3.625   333.40
2285.31    3.624   333.65






Disclaimer
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 14:46:51



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