Double Star Calculator - Orbit

Orbital Elements for LEI3AA,AB
WDS: LEI3AA,AB WDS ID/Discoverer
P: 403.000 Orbital period (years)
a: 0.429 Semi-major axis (arcseconds)
i: 132.5 Inclination (degrees)
Ω: 131.0 Longitude of ascending node (degrees)
T: 2032.460 Epoch of periastron passage (year)
e: 0.44 Eccentricity
ω: 19.0 Longitude of periastron (degrees)
Start-Year: 1823.5 Year
End-Year: 2226.5 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for LEI3AA,AB
Position: 043230.34+173140.4 Epoch-2000 right ascension and declination
WDS-ID: 04325+1732 WDS designation
Discoverer Code: LEI3AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 12.25 Magnitude of the primary
V2: 14.70 Magnitude of the secondary
Equinox: Equinox
Date: 2009 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Koh2011 Reference

Double Star Orbit for LEI3AA,AB



WDS 6th Orbit including measures of LEI3AA,AB

-- 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 LEI3AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.243   128.39
--------------------------
1823.50    0.604   299.96
1824.50    0.604   299.68
1825.50    0.603   299.41
1826.50    0.603   299.14
1827.50    0.602   298.86
1828.50    0.601   298.58
1829.50    0.601   298.31
1830.50    0.600   298.03
1831.50    0.599   297.75
1832.50    0.599   297.48
1833.50    0.598   297.20
1834.50    0.597   296.92
1835.50    0.596   296.64
1836.50    0.595   296.36
1837.50    0.594   296.07
1838.50    0.593   295.79
1839.50    0.592   295.51
1840.50    0.591   295.22
1841.50    0.590   294.94
1842.50    0.589   294.65
1843.50    0.588   294.36
1844.50    0.587   294.07
1845.50    0.586   293.78
1846.50    0.584   293.49
1847.50    0.583   293.20
1848.50    0.582   292.91
1849.50    0.581   292.61
1850.50    0.579   292.31
1851.50    0.578   292.02
1852.50    0.576   291.72
1853.50    0.575   291.41
1854.50    0.573   291.11
1855.50    0.572   290.81
1856.50    0.570   290.50
1857.50    0.569   290.19
1858.50    0.567   289.89
1859.50    0.565   289.57
1860.50    0.564   289.26
1861.50    0.562   288.95
1862.50    0.560   288.63
1863.50    0.559   288.31
1864.50    0.557   287.99
1865.50    0.555   287.67
1866.50    0.553   287.34
1867.50    0.551   287.02
1868.50    0.549   286.69
1869.50    0.547   286.35
1870.50    0.545   286.02
1871.50    0.543   285.68
1872.50    0.541   285.34
1873.50    0.539   285.00
1874.50    0.537   284.66
1875.50    0.535   284.31
1876.50    0.533   283.96
1877.50    0.531   283.61
1878.50    0.528   283.25
1879.50    0.526   282.89
1880.50    0.524   282.53
1881.50    0.522   282.17
1882.50    0.519   281.80
1883.50    0.517   281.43
1884.50    0.514   281.05
1885.50    0.512   280.67
1886.50    0.510   280.29
1887.50    0.507   279.90
1888.50    0.505   279.51
1889.50    0.502   279.12
1890.50    0.500   278.72
1891.50    0.497   278.32
1892.50    0.494   277.92
1893.50    0.492   277.51
1894.50    0.489   277.09
1895.50    0.487   276.67
1896.50    0.484   276.25
1897.50    0.481   275.82
1898.50    0.478   275.39
1899.50    0.476   274.95
1900.50    0.473   274.50
1901.50    0.470   274.06
1902.50    0.467   273.60
1903.50    0.464   273.14
1904.50    0.462   272.68
1905.50    0.459   272.21
1906.50    0.456   271.73
1907.50    0.453   271.25
1908.50    0.450   270.76
1909.50    0.447   270.26
1910.50    0.444   269.76
1911.50    0.441   269.25
1912.50    0.438   268.73
1913.50    0.435   268.21
1914.50    0.432   267.68
1915.50    0.429   267.14
1916.50    0.426   266.59
1917.50    0.423   266.04
1918.50    0.419   265.47
1919.50    0.416   264.90
1920.50    0.413   264.32
1921.50    0.410   263.73
1922.50    0.407   263.14
1923.50    0.404   262.53
1924.50    0.401   261.91
1925.50    0.397   261.29
1926.50    0.394   260.65
1927.50    0.391   260.00
1928.50    0.388   259.35
1929.50    0.385   258.68
1930.50    0.381   258.00
1931.50    0.378   257.31
1932.50    0.375   256.60
1933.50    0.372   255.89
1934.50    0.369   255.16
1935.50    0.365   254.42
1936.50    0.362   253.67
1937.50    0.359   252.90
1938.50    0.356   252.12
1939.50    0.353   251.33
1940.50    0.350   250.52
1941.50    0.346   249.69
1942.50    0.343   248.86
1943.50    0.340   248.00
1944.50    0.337   247.13
1945.50    0.334   246.25
1946.50    0.331   245.34
1947.50    0.328   244.42
1948.50    0.325   243.49
1949.50    0.322   242.53
1950.50    0.319   241.56
1951.50    0.316   240.57
1952.50    0.313   239.56
1953.50    0.310   238.53
1954.50    0.307   237.49
1955.50    0.304   236.42
1956.50    0.302   235.33
1957.50    0.299   234.23
1958.50    0.296   233.10
1959.50    0.294   231.95
1960.50    0.291   230.79
1961.50    0.288   229.60
1962.50    0.286   228.39
1963.50    0.284   227.16
1964.50    0.281   225.91
1965.50    0.279   224.63
1966.50    0.277   223.34
1967.50    0.274   222.03
1968.50    0.272   220.69
1969.50    0.270   219.34
1970.50    0.268   217.96
1971.50    0.266   216.57
1972.50    0.265   215.15
1973.50    0.263   213.72
1974.50    0.261   212.26
1975.50    0.260   210.79
1976.50    0.258   209.30
1977.50    0.257   207.80
1978.50    0.255   206.28
1979.50    0.254   204.74
1980.50    0.253   203.19
1981.50    0.252   201.62
1982.50    0.251   200.05
1983.50    0.250   198.46
1984.50    0.249   196.86
1985.50    0.249   195.25
1986.50    0.248   193.63
1987.50    0.247   192.00
1988.50    0.247   190.37
1989.50    0.246   188.73
1990.50    0.246   187.08
1991.50    0.246   185.44
1992.50    0.246   183.79
1993.50    0.246   182.13
1994.50    0.246   180.48
1995.50    0.246   178.83
1996.50    0.246   177.18
1997.50    0.246   175.52
1998.50    0.246   173.88
1999.50    0.246   172.23
2000.50    0.246   170.59
2001.50    0.247   168.95
2002.50    0.247   167.31
2003.50    0.247   165.68
2004.50    0.248   164.05
2005.50    0.248   162.43
2006.50    0.248   160.81
2007.50    0.249   159.19
2008.50    0.249   157.58
2009.50    0.249   155.97
2010.50    0.249   154.36
2011.50    0.250   152.76
2012.50    0.250   151.16
2013.50    0.250   149.56
2014.50    0.250   147.96
2015.50    0.250   146.36
2016.50    0.249   144.76
2017.50    0.249   143.15
2018.50    0.249   141.55
2019.50    0.248   139.93
2020.50    0.248   138.31
2021.50    0.247   136.69
2022.50    0.247   135.05
2023.50    0.246   133.41
2024.50    0.245   131.75
2025.50    0.244   130.08
2026.50    0.243   128.39
2027.50    0.241   126.68
2028.50    0.240   124.96
2029.50    0.238   123.21
2030.50    0.237   121.45
2031.50    0.235   119.65
2032.50    0.233   117.83
2033.50    0.231   115.98
2034.50    0.229   114.10
2035.50    0.227   112.19
2036.50    0.225   110.24
2037.50    0.223   108.25
2038.50    0.221   106.23
2039.50    0.219   104.16
2040.50    0.217   102.06
2041.50    0.214    99.91
2042.50    0.212    97.72
2043.50    0.210    95.48
2044.50    0.208    93.20
2045.50    0.206    90.88
2046.50    0.204    88.51
2047.50    0.203    86.10
2048.50    0.201    83.66
2049.50    0.200    81.17
2050.50    0.198    78.66
2051.50    0.197    76.11
2052.50    0.196    73.53
2053.50    0.196    70.94
2054.50    0.195    68.33
2055.50    0.195    65.71
2056.50    0.195    63.08
2057.50    0.195    60.46
2058.50    0.196    57.84
2059.50    0.196    55.24
2060.50    0.197    52.66
2061.50    0.198    50.10
2062.50    0.200    47.58
2063.50    0.201    45.10
2064.50    0.203    42.66
2065.50    0.205    40.26
2066.50    0.207    37.92
2067.50    0.210    35.62
2068.50    0.212    33.39
2069.50    0.215    31.21
2070.50    0.218    29.08
2071.50    0.222    27.02
2072.50    0.225    25.02
2073.50    0.228    23.07
2074.50    0.232    21.19
2075.50    0.236    19.37
2076.50    0.239    17.60
2077.50    0.243    15.89
2078.50    0.247    14.23
2079.50    0.252    12.63
2080.50    0.256    11.08
2081.50    0.260     9.58
2082.50    0.264     8.13
2083.50    0.269     6.72
2084.50    0.273     5.36
2085.50    0.278     4.05
2086.50    0.282     2.77
2087.50    0.287     1.54
2088.50    0.291     0.34
2089.50    0.296   359.19
2090.50    0.300   358.06
2091.50    0.305   356.97
2092.50    0.310   355.92
2093.50    0.314   354.89
2094.50    0.319   353.90
2095.50    0.323   352.93
2096.50    0.328   351.99
2097.50    0.333   351.07
2098.50    0.337   350.18
2099.50    0.342   349.32
2100.50    0.346   348.48
2101.50    0.351   347.65
2102.50    0.355   346.85
2103.50    0.360   346.07
2104.50    0.364   345.31
2105.50    0.369   344.57
2106.50    0.373   343.84
2107.50    0.377   343.13
2108.50    0.382   342.44
2109.50    0.386   341.77
2110.50    0.390   341.10
2111.50    0.395   340.46
2112.50    0.399   339.82
2113.50    0.403   339.20
2114.50    0.407   338.59
2115.50    0.411   338.00
2116.50    0.415   337.41
2117.50    0.419   336.84
2118.50    0.423   336.28
2119.50    0.427   335.72
2120.50    0.431   335.18
2121.50    0.435   334.65
2122.50    0.439   334.13
2123.50    0.442   333.61
2124.50    0.446   333.11
2125.50    0.450   332.61
2126.50    0.453   332.12
2127.50    0.457   331.64
2128.50    0.461   331.17
2129.50    0.464   330.70
2130.50    0.468   330.24
2131.50    0.471   329.79
2132.50    0.474   329.34
2133.50    0.478   328.90
2134.50    0.481   328.47
2135.50    0.484   328.04
2136.50    0.488   327.62
2137.50    0.491   327.20
2138.50    0.494   326.79
2139.50    0.497   326.38
2140.50    0.500   325.98
2141.50    0.503   325.58
2142.50    0.506   325.19
2143.50    0.509   324.80
2144.50    0.512   324.42
2145.50    0.514   324.04
2146.50    0.517   323.67
2147.50    0.520   323.30
2148.50    0.523   322.93
2149.50    0.525   322.57
2150.50    0.528   322.21
2151.50    0.530   321.85
2152.50    0.533   321.50
2153.50    0.535   321.15
2154.50    0.538   320.80
2155.50    0.540   320.46
2156.50    0.543   320.12
2157.50    0.545   319.78
2158.50    0.547   319.45
2159.50    0.549   319.11
2160.50    0.551   318.79
2161.50    0.554   318.46
2162.50    0.556   318.13
2163.50    0.558   317.81
2164.50    0.560   317.49
2165.50    0.562   317.17
2166.50    0.563   316.86
2167.50    0.565   316.55
2168.50    0.567   316.24
2169.50    0.569   315.93
2170.50    0.571   315.62
2171.50    0.572   315.31
2172.50    0.574   315.01
2173.50    0.576   314.71
2174.50    0.577   314.41
2175.50    0.579   314.11
2176.50    0.580   313.81
2177.50    0.582   313.52
2178.50    0.583   313.22
2179.50    0.584   312.93
2180.50    0.586   312.64
2181.50    0.587   312.35
2182.50    0.588   312.06
2183.50    0.589   311.77
2184.50    0.591   311.48
2185.50    0.592   311.20
2186.50    0.593   310.91
2187.50    0.594   310.63
2188.50    0.595   310.35
2189.50    0.596   310.07
2190.50    0.597   309.79
2191.50    0.597   309.51
2192.50    0.598   309.23
2193.50    0.599   308.95
2194.50    0.600   308.67
2195.50    0.601   308.40
2196.50    0.601   308.12
2197.50    0.602   307.84
2198.50    0.603   307.57
2199.50    0.603   307.29
2200.50    0.604   307.02
2201.50    0.604   306.75
2202.50    0.605   306.47
2203.50    0.605   306.20
2204.50    0.605   305.93
2205.50    0.606   305.66
2206.50    0.606   305.38
2207.50    0.606   305.11
2208.50    0.606   304.84
2209.50    0.607   304.57
2210.50    0.607   304.30
2211.50    0.607   304.03
2212.50    0.607   303.76
2213.50    0.607   303.49
2214.50    0.607   303.22
2215.50    0.607   302.95
2216.50    0.607   302.68
2217.50    0.607   302.40
2218.50    0.607   302.13
2219.50    0.606   301.86
2220.50    0.606   301.59
2221.50    0.606   301.32
2222.50    0.606   301.05
2223.50    0.605   300.78
2224.50    0.605   300.50
2225.50    0.605   300.23






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.


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 15:26:00



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