Double Star Calculator - Orbit

Orbital Elements for STF1752AB
WDS: STF1752AB WDS ID/Discoverer
P: 500.000 Orbital period (years)
a: 1.236 Semi-major axis (arcseconds)
i: 118.0 Inclination (degrees)
Ω: 164.7 Longitude of ascending node (degrees)
T: 2173.800 Epoch of periastron passage (year)
e: 0.6 Eccentricity
ω: 231.8 Longitude of periastron (degrees)
Start-Year: 1775.0 Year
End-Year: 2275.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STF1752AB
Position: 132849.82+595541.7 Epoch-2000 right ascension and declination
WDS-ID: 13288+5956 WDS designation
Discoverer Code: STF1752AB Discover designation and components
ADS number: 8919 Aitken Double Star catalog
HD number: 117433 HD catalog number
Hipparcos number: 65756 Hipparcos catalog number
V1: 8.19 Magnitude of the primary
V2: 9.90 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2017 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: Tok2021c Reference

Double Star Orbit for STF1752AB



WDS 6th Orbit including measures of STF1752AB

-- 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 STF1752AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.881   100.77
--------------------------
1775.00    1.421   159.75
1776.00    1.427   159.54
1777.00    1.433   159.34
1778.00    1.439   159.14
1779.00    1.444   158.94
1780.00    1.450   158.75
1781.00    1.455   158.55
1782.00    1.461   158.36
1783.00    1.466   158.16
1784.00    1.471   157.97
1785.00    1.476   157.78
1786.00    1.481   157.59
1787.00    1.485   157.40
1788.00    1.490   157.22
1789.00    1.495   157.03
1790.00    1.499   156.85
1791.00    1.503   156.66
1792.00    1.508   156.48
1793.00    1.512   156.30
1794.00    1.516   156.12
1795.00    1.520   155.94
1796.00    1.523   155.76
1797.00    1.527   155.58
1798.00    1.531   155.41
1799.00    1.534   155.23
1800.00    1.538   155.06
1801.00    1.541   154.88
1802.00    1.544   154.71
1803.00    1.547   154.54
1804.00    1.551   154.36
1805.00    1.553   154.19
1806.00    1.556   154.02
1807.00    1.559   153.85
1808.00    1.562   153.68
1809.00    1.564   153.51
1810.00    1.567   153.34
1811.00    1.569   153.18
1812.00    1.572   153.01
1813.00    1.574   152.84
1814.00    1.576   152.68
1815.00    1.578   152.51
1816.00    1.580   152.34
1817.00    1.582   152.18
1818.00    1.584   152.01
1819.00    1.586   151.85
1820.00    1.587   151.69
1821.00    1.589   151.52
1822.00    1.591   151.36
1823.00    1.592   151.19
1824.00    1.593   151.03
1825.00    1.595   150.87
1826.00    1.596   150.71
1827.00    1.597   150.54
1828.00    1.598   150.38
1829.00    1.599   150.22
1830.00    1.600   150.06
1831.00    1.601   149.90
1832.00    1.602   149.74
1833.00    1.602   149.58
1834.00    1.603   149.42
1835.00    1.604   149.26
1836.00    1.604   149.09
1837.00    1.604   148.93
1838.00    1.605   148.77
1839.00    1.605   148.61
1840.00    1.605   148.45
1841.00    1.605   148.29
1842.00    1.606   148.13
1843.00    1.606   147.97
1844.00    1.605   147.81
1845.00    1.605   147.65
1846.00    1.605   147.49
1847.00    1.605   147.33
1848.00    1.605   147.17
1849.00    1.604   147.01
1850.00    1.604   146.85
1851.00    1.603   146.69
1852.00    1.603   146.53
1853.00    1.602   146.37
1854.00    1.601   146.21
1855.00    1.601   146.04
1856.00    1.600   145.88
1857.00    1.599   145.72
1858.00    1.598   145.56
1859.00    1.597   145.40
1860.00    1.596   145.24
1861.00    1.595   145.07
1862.00    1.594   144.91
1863.00    1.593   144.75
1864.00    1.591   144.59
1865.00    1.590   144.42
1866.00    1.589   144.26
1867.00    1.587   144.10
1868.00    1.586   143.93
1869.00    1.584   143.77
1870.00    1.582   143.60
1871.00    1.581   143.44
1872.00    1.579   143.27
1873.00    1.577   143.11
1874.00    1.575   142.94
1875.00    1.573   142.77
1876.00    1.572   142.61
1877.00    1.570   142.44
1878.00    1.568   142.27
1879.00    1.565   142.10
1880.00    1.563   141.93
1881.00    1.561   141.76
1882.00    1.559   141.59
1883.00    1.557   141.42
1884.00    1.554   141.25
1885.00    1.552   141.08
1886.00    1.549   140.91
1887.00    1.547   140.74
1888.00    1.544   140.56
1889.00    1.542   140.39
1890.00    1.539   140.22
1891.00    1.536   140.04
1892.00    1.534   139.87
1893.00    1.531   139.69
1894.00    1.528   139.51
1895.00    1.525   139.34
1896.00    1.522   139.16
1897.00    1.519   138.98
1898.00    1.516   138.80
1899.00    1.513   138.62
1900.00    1.510   138.44
1901.00    1.507   138.26
1902.00    1.504   138.08
1903.00    1.501   137.89
1904.00    1.497   137.71
1905.00    1.494   137.52
1906.00    1.491   137.34
1907.00    1.487   137.15
1908.00    1.484   136.97
1909.00    1.480   136.78
1910.00    1.477   136.59
1911.00    1.473   136.40
1912.00    1.470   136.21
1913.00    1.466   136.02
1914.00    1.462   135.82
1915.00    1.459   135.63
1916.00    1.455   135.43
1917.00    1.451   135.24
1918.00    1.447   135.04
1919.00    1.443   134.84
1920.00    1.439   134.65
1921.00    1.435   134.45
1922.00    1.431   134.24
1923.00    1.427   134.04
1924.00    1.423   133.84
1925.00    1.419   133.63
1926.00    1.415   133.43
1927.00    1.411   133.22
1928.00    1.407   133.01
1929.00    1.402   132.80
1930.00    1.398   132.59
1931.00    1.394   132.38
1932.00    1.389   132.17
1933.00    1.385   131.95
1934.00    1.381   131.74
1935.00    1.376   131.52
1936.00    1.372   131.30
1937.00    1.367   131.08
1938.00    1.362   130.86
1939.00    1.358   130.64
1940.00    1.353   130.41
1941.00    1.349   130.18
1942.00    1.344   129.96
1943.00    1.339   129.73
1944.00    1.334   129.50
1945.00    1.330   129.26
1946.00    1.325   129.03
1947.00    1.320   128.79
1948.00    1.315   128.55
1949.00    1.310   128.31
1950.00    1.305   128.07
1951.00    1.300   127.83
1952.00    1.295   127.58
1953.00    1.290   127.34
1954.00    1.285   127.09
1955.00    1.280   126.84
1956.00    1.275   126.58
1957.00    1.270   126.33
1958.00    1.265   126.07
1959.00    1.260   125.81
1960.00    1.255   125.55
1961.00    1.249   125.29
1962.00    1.244   125.02
1963.00    1.239   124.75
1964.00    1.234   124.48
1965.00    1.228   124.21
1966.00    1.223   123.94
1967.00    1.218   123.66
1968.00    1.212   123.38
1969.00    1.207   123.10
1970.00    1.201   122.81
1971.00    1.196   122.52
1972.00    1.190   122.23
1973.00    1.185   121.94
1974.00    1.180   121.65
1975.00    1.174   121.35
1976.00    1.168   121.05
1977.00    1.163   120.74
1978.00    1.157   120.43
1979.00    1.152   120.12
1980.00    1.146   119.81
1981.00    1.141   119.50
1982.00    1.135   119.18
1983.00    1.129   118.85
1984.00    1.124   118.53
1985.00    1.118   118.20
1986.00    1.112   117.87
1987.00    1.107   117.53
1988.00    1.101   117.19
1989.00    1.095   116.85
1990.00    1.090   116.50
1991.00    1.084   116.15
1992.00    1.078   115.80
1993.00    1.072   115.44
1994.00    1.067   115.08
1995.00    1.061   114.72
1996.00    1.055   114.35
1997.00    1.049   113.98
1998.00    1.044   113.60
1999.00    1.038   113.22
2000.00    1.032   112.83
2001.00    1.026   112.44
2002.00    1.020   112.05
2003.00    1.015   111.65
2004.00    1.009   111.24
2005.00    1.003   110.84
2006.00    0.997   110.42
2007.00    0.992   110.00
2008.00    0.986   109.58
2009.00    0.980   109.15
2010.00    0.974   108.72
2011.00    0.968   108.28
2012.00    0.963   107.84
2013.00    0.957   107.39
2014.00    0.951   106.94
2015.00    0.946   106.48
2016.00    0.940   106.01
2017.00    0.934   105.54
2018.00    0.929   105.07
2019.00    0.923   104.59
2020.00    0.917   104.10
2021.00    0.912   103.60
2022.00    0.906   103.10
2023.00    0.900   102.60
2024.00    0.895   102.08
2025.00    0.889   101.56
2026.00    0.884   101.04
2027.00    0.878   100.51
2028.00    0.873    99.97
2029.00    0.867    99.42
2030.00    0.862    98.87
2031.00    0.857    98.31
2032.00    0.851    97.74
2033.00    0.846    97.17
2034.00    0.841    96.59
2035.00    0.835    96.00
2036.00    0.830    95.40
2037.00    0.825    94.80
2038.00    0.820    94.19
2039.00    0.815    93.57
2040.00    0.810    92.95
2041.00    0.805    92.31
2042.00    0.800    91.67
2043.00    0.795    91.02
2044.00    0.790    90.36
2045.00    0.785    89.69
2046.00    0.780    89.02
2047.00    0.776    88.34
2048.00    0.771    87.65
2049.00    0.766    86.95
2050.00    0.762    86.24
2051.00    0.757    85.52
2052.00    0.753    84.80
2053.00    0.749    84.07
2054.00    0.744    83.33
2055.00    0.740    82.58
2056.00    0.736    81.82
2057.00    0.732    81.05
2058.00    0.728    80.28
2059.00    0.724    79.49
2060.00    0.720    78.70
2061.00    0.717    77.90
2062.00    0.713    77.09
2063.00    0.709    76.27
2064.00    0.706    75.45
2065.00    0.702    74.62
2066.00    0.699    73.77
2067.00    0.696    72.92
2068.00    0.693    72.07
2069.00    0.690    71.20
2070.00    0.687    70.33
2071.00    0.684    69.45
2072.00    0.681    68.56
2073.00    0.678    67.67
2074.00    0.676    66.77
2075.00    0.673    65.86
2076.00    0.671    64.94
2077.00    0.669    64.02
2078.00    0.666    63.10
2079.00    0.664    62.16
2080.00    0.662    61.22
2081.00    0.661    60.28
2082.00    0.659    59.33
2083.00    0.657    58.38
2084.00    0.656    57.42
2085.00    0.654    56.45
2086.00    0.653    55.49
2087.00    0.652    54.51
2088.00    0.650    53.54
2089.00    0.649    52.56
2090.00    0.648    51.58
2091.00    0.648    50.60
2092.00    0.647    49.61
2093.00    0.646    48.62
2094.00    0.646    47.63
2095.00    0.645    46.64
2096.00    0.645    45.65
2097.00    0.645    44.65
2098.00    0.645    43.66
2099.00    0.644    42.67
2100.00    0.645    41.67
2101.00    0.645    40.68
2102.00    0.645    39.68
2103.00    0.645    38.69
2104.00    0.645    37.70
2105.00    0.646    36.71
2106.00    0.646    35.72
2107.00    0.647    34.73
2108.00    0.647    33.74
2109.00    0.648    32.76
2110.00    0.649    31.77
2111.00    0.650    30.79
2112.00    0.650    29.82
2113.00    0.651    28.84
2114.00    0.652    27.87
2115.00    0.653    26.90
2116.00    0.654    25.93
2117.00    0.655    24.97
2118.00    0.656    24.00
2119.00    0.657    23.04
2120.00    0.658    22.09
2121.00    0.659    21.13
2122.00    0.659    20.18
2123.00    0.660    19.23
2124.00    0.661    18.29
2125.00    0.662    17.34
2126.00    0.663    16.40
2127.00    0.663    15.46
2128.00    0.664    14.52
2129.00    0.664    13.59
2130.00    0.665    12.65
2131.00    0.665    11.72
2132.00    0.665    10.78
2133.00    0.665     9.85
2134.00    0.665     8.91
2135.00    0.665     7.98
2136.00    0.664     7.04
2137.00    0.664     6.11
2138.00    0.663     5.17
2139.00    0.662     4.23
2140.00    0.661     3.28
2141.00    0.659     2.33
2142.00    0.657     1.38
2143.00    0.655     0.42
2144.00    0.653   359.46
2145.00    0.650   358.48
2146.00    0.647   357.50
2147.00    0.644   356.51
2148.00    0.640   355.50
2149.00    0.635   354.49
2150.00    0.631   353.46
2151.00    0.626   352.41
2152.00    0.620   351.35
2153.00    0.614   350.26
2154.00    0.607   349.15
2155.00    0.600   348.02
2156.00    0.592   346.86
2157.00    0.584   345.66
2158.00    0.575   344.43
2159.00    0.565   343.16
2160.00    0.555   341.85
2161.00    0.544   340.48
2162.00    0.533   339.06
2163.00    0.520   337.57
2164.00    0.508   336.00
2165.00    0.494   334.36
2166.00    0.480   332.62
2167.00    0.465   330.77
2168.00    0.450   328.80
2169.00    0.435   326.68
2170.00    0.419   324.41
2171.00    0.402   321.96
2172.00    0.386   319.30
2173.00    0.369   316.39
2174.00    0.353   313.22
2175.00    0.337   309.74
2176.00    0.321   305.92
2177.00    0.306   301.72
2178.00    0.293   297.11
2179.00    0.280   292.07
2180.00    0.270   286.60
2181.00    0.261   280.72
2182.00    0.255   274.51
2183.00    0.251   268.05
2184.00    0.250   261.47
2185.00    0.252   254.92
2186.00    0.257   248.53
2187.00    0.264   242.43
2188.00    0.274   236.71
2189.00    0.285   231.42
2190.00    0.299   226.57
2191.00    0.314   222.16
2192.00    0.330   218.16
2193.00    0.347   214.55
2194.00    0.365   211.29
2195.00    0.383   208.33
2196.00    0.402   205.66
2197.00    0.422   203.22
2198.00    0.441   201.00
2199.00    0.461   198.97
2200.00    0.481   197.11
2201.00    0.501   195.40
2202.00    0.520   193.81
2203.00    0.540   192.34
2204.00    0.560   190.97
2205.00    0.579   189.70
2206.00    0.599   188.51
2207.00    0.618   187.39
2208.00    0.637   186.34
2209.00    0.655   185.35
2210.00    0.674   184.42
2211.00    0.692   183.53
2212.00    0.710   182.69
2213.00    0.728   181.89
2214.00    0.746   181.13
2215.00    0.763   180.40
2216.00    0.780   179.71
2217.00    0.797   179.05
2218.00    0.814   178.41
2219.00    0.830   177.80
2220.00    0.846   177.21
2221.00    0.862   176.64
2222.00    0.877   176.10
2223.00    0.893   175.57
2224.00    0.908   175.06
2225.00    0.923   174.57
2226.00    0.938   174.09
2227.00    0.952   173.63
2228.00    0.966   173.18
2229.00    0.980   172.74
2230.00    0.994   172.32
2231.00    1.007   171.90
2232.00    1.021   171.50
2233.00    1.034   171.11
2234.00    1.047   170.73
2235.00    1.059   170.36
2236.00    1.072   169.99
2237.00    1.084   169.64
2238.00    1.096   169.29
2239.00    1.108   168.95
2240.00    1.119   168.62
2241.00    1.131   168.29
2242.00    1.142   167.97
2243.00    1.153   167.66
2244.00    1.164   167.35
2245.00    1.175   167.05
2246.00    1.185   166.75
2247.00    1.196   166.46
2248.00    1.206   166.17
2249.00    1.216   165.89
2250.00    1.226   165.61
2251.00    1.235   165.34
2252.00    1.245   165.07
2253.00    1.254   164.81
2254.00    1.263   164.54
2255.00    1.272   164.29
2256.00    1.281   164.03
2257.00    1.290   163.78
2258.00    1.298   163.54
2259.00    1.306   163.29
2260.00    1.315   163.05
2261.00    1.323   162.82
2262.00    1.331   162.58
2263.00    1.338   162.35
2264.00    1.346   162.12
2265.00    1.353   161.89
2266.00    1.361   161.67
2267.00    1.368   161.45
2268.00    1.375   161.23
2269.00    1.382   161.01
2270.00    1.389   160.79
2271.00    1.395   160.58
2272.00    1.402   160.37
2273.00    1.408   160.16
2274.00    1.415   159.95






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 16:56:40



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