Double Star Calculator - Orbit

Orbital Elements for STF1711
WDS: STF1711 WDS ID/Discoverer
P: 542.000 Orbital period (years)
a: 1.032 Semi-major axis (arcseconds)
i: 97.0 Inclination (degrees)
Ω: 179.8 Longitude of ascending node (degrees)
T: 2126.000 Epoch of periastron passage (year)
e: 0.78 Eccentricity
ω: 51.6 Longitude of periastron (degrees)
Start-Year: 1754.0 Year
End-Year: 2296.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STF1711
Position: 130251.05+132824.2 Epoch-2000 right ascension and declination
WDS-ID: 13029+1328 WDS designation
Discoverer Code: STF1711 Discover designation and components
ADS number: 8751 Aitken Double Star catalog
HD number: 113322 HD catalog number
Hipparcos number: 63660 Hipparcos catalog number
V1: 9.27 Magnitude of the primary
V2: 9.36 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2008 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Zir2014a Reference

Double Star Orbit for STF1711



WDS 6th Orbit including measures of STF1711

-- 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 STF1711
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.271   325.10
--------------------------
1754.00    1.322   354.47
1755.00    1.323   354.44
1756.00    1.323   354.41
1757.00    1.323   354.38
1758.00    1.323   354.35
1759.00    1.323   354.32
1760.00    1.322   354.29
1761.00    1.322   354.26
1762.00    1.322   354.23
1763.00    1.322   354.20
1764.00    1.322   354.17
1765.00    1.321   354.13
1766.00    1.321   354.10
1767.00    1.321   354.07
1768.00    1.320   354.04
1769.00    1.320   354.01
1770.00    1.319   353.98
1771.00    1.319   353.95
1772.00    1.318   353.92
1773.00    1.318   353.89
1774.00    1.317   353.86
1775.00    1.316   353.82
1776.00    1.316   353.79
1777.00    1.315   353.76
1778.00    1.314   353.73
1779.00    1.313   353.70
1780.00    1.312   353.67
1781.00    1.311   353.64
1782.00    1.310   353.61
1783.00    1.310   353.57
1784.00    1.309   353.54
1785.00    1.307   353.51
1786.00    1.306   353.48
1787.00    1.305   353.45
1788.00    1.304   353.42
1789.00    1.303   353.38
1790.00    1.302   353.35
1791.00    1.300   353.32
1792.00    1.299   353.29
1793.00    1.298   353.26
1794.00    1.296   353.22
1795.00    1.295   353.19
1796.00    1.294   353.16
1797.00    1.292   353.13
1798.00    1.291   353.10
1799.00    1.289   353.06
1800.00    1.288   353.03
1801.00    1.286   353.00
1802.00    1.284   352.97
1803.00    1.283   352.93
1804.00    1.281   352.90
1805.00    1.279   352.87
1806.00    1.278   352.83
1807.00    1.276   352.80
1808.00    1.274   352.77
1809.00    1.272   352.73
1810.00    1.270   352.70
1811.00    1.268   352.67
1812.00    1.266   352.63
1813.00    1.264   352.60
1814.00    1.262   352.57
1815.00    1.260   352.53
1816.00    1.258   352.50
1817.00    1.256   352.46
1818.00    1.254   352.43
1819.00    1.252   352.40
1820.00    1.250   352.36
1821.00    1.247   352.33
1822.00    1.245   352.29
1823.00    1.243   352.26
1824.00    1.241   352.22
1825.00    1.238   352.19
1826.00    1.236   352.15
1827.00    1.233   352.12
1828.00    1.231   352.08
1829.00    1.229   352.05
1830.00    1.226   352.01
1831.00    1.224   351.97
1832.00    1.221   351.94
1833.00    1.218   351.90
1834.00    1.216   351.86
1835.00    1.213   351.83
1836.00    1.210   351.79
1837.00    1.208   351.75
1838.00    1.205   351.72
1839.00    1.202   351.68
1840.00    1.199   351.64
1841.00    1.197   351.60
1842.00    1.194   351.57
1843.00    1.191   351.53
1844.00    1.188   351.49
1845.00    1.185   351.45
1846.00    1.182   351.41
1847.00    1.179   351.38
1848.00    1.176   351.34
1849.00    1.173   351.30
1850.00    1.170   351.26
1851.00    1.167   351.22
1852.00    1.164   351.18
1853.00    1.161   351.14
1854.00    1.158   351.10
1855.00    1.154   351.06
1856.00    1.151   351.02
1857.00    1.148   350.98
1858.00    1.145   350.94
1859.00    1.141   350.89
1860.00    1.138   350.85
1861.00    1.135   350.81
1862.00    1.131   350.77
1863.00    1.128   350.73
1864.00    1.124   350.68
1865.00    1.121   350.64
1866.00    1.118   350.60
1867.00    1.114   350.56
1868.00    1.110   350.51
1869.00    1.107   350.47
1870.00    1.103   350.42
1871.00    1.100   350.38
1872.00    1.096   350.33
1873.00    1.092   350.29
1874.00    1.089   350.24
1875.00    1.085   350.20
1876.00    1.081   350.15
1877.00    1.077   350.11
1878.00    1.074   350.06
1879.00    1.070   350.01
1880.00    1.066   349.97
1881.00    1.062   349.92
1882.00    1.058   349.87
1883.00    1.054   349.82
1884.00    1.050   349.77
1885.00    1.046   349.72
1886.00    1.042   349.67
1887.00    1.038   349.62
1888.00    1.034   349.57
1889.00    1.030   349.52
1890.00    1.026   349.47
1891.00    1.022   349.42
1892.00    1.018   349.37
1893.00    1.014   349.32
1894.00    1.010   349.26
1895.00    1.005   349.21
1896.00    1.001   349.16
1897.00    0.997   349.10
1898.00    0.993   349.05
1899.00    0.988   348.99
1900.00    0.984   348.94
1901.00    0.979   348.88
1902.00    0.975   348.83
1903.00    0.971   348.77
1904.00    0.966   348.71
1905.00    0.962   348.65
1906.00    0.957   348.59
1907.00    0.953   348.54
1908.00    0.948   348.48
1909.00    0.944   348.42
1910.00    0.939   348.35
1911.00    0.935   348.29
1912.00    0.930   348.23
1913.00    0.925   348.17
1914.00    0.921   348.10
1915.00    0.916   348.04
1916.00    0.911   347.98
1917.00    0.907   347.91
1918.00    0.902   347.85
1919.00    0.897   347.78
1920.00    0.892   347.71
1921.00    0.887   347.64
1922.00    0.882   347.57
1923.00    0.878   347.50
1924.00    0.873   347.43
1925.00    0.868   347.36
1926.00    0.863   347.29
1927.00    0.858   347.22
1928.00    0.853   347.14
1929.00    0.848   347.07
1930.00    0.843   346.99
1931.00    0.838   346.92
1932.00    0.833   346.84
1933.00    0.828   346.76
1934.00    0.823   346.68
1935.00    0.817   346.60
1936.00    0.812   346.52
1937.00    0.807   346.44
1938.00    0.802   346.36
1939.00    0.797   346.27
1940.00    0.791   346.19
1941.00    0.786   346.10
1942.00    0.781   346.01
1943.00    0.776   345.92
1944.00    0.770   345.83
1945.00    0.765   345.74
1946.00    0.759   345.65
1947.00    0.754   345.55
1948.00    0.749   345.46
1949.00    0.743   345.36
1950.00    0.738   345.26
1951.00    0.732   345.16
1952.00    0.727   345.06
1953.00    0.721   344.96
1954.00    0.716   344.85
1955.00    0.710   344.75
1956.00    0.705   344.64
1957.00    0.699   344.53
1958.00    0.693   344.42
1959.00    0.688   344.31
1960.00    0.682   344.19
1961.00    0.676   344.07
1962.00    0.671   343.95
1963.00    0.665   343.83
1964.00    0.659   343.71
1965.00    0.653   343.58
1966.00    0.648   343.46
1967.00    0.642   343.33
1968.00    0.636   343.20
1969.00    0.630   343.06
1970.00    0.624   342.92
1971.00    0.618   342.78
1972.00    0.612   342.64
1973.00    0.607   342.50
1974.00    0.601   342.35
1975.00    0.595   342.20
1976.00    0.589   342.04
1977.00    0.583   341.89
1978.00    0.577   341.73
1979.00    0.571   341.56
1980.00    0.565   341.39
1981.00    0.559   341.22
1982.00    0.553   341.05
1983.00    0.546   340.87
1984.00    0.540   340.69
1985.00    0.534   340.50
1986.00    0.528   340.31
1987.00    0.522   340.11
1988.00    0.516   339.91
1989.00    0.510   339.71
1990.00    0.503   339.50
1991.00    0.497   339.28
1992.00    0.491   339.06
1993.00    0.485   338.83
1994.00    0.478   338.60
1995.00    0.472   338.36
1996.00    0.466   338.12
1997.00    0.460   337.86
1998.00    0.453   337.61
1999.00    0.447   337.34
2000.00    0.441   337.07
2001.00    0.434   336.78
2002.00    0.428   336.49
2003.00    0.422   336.19
2004.00    0.415   335.89
2005.00    0.409   335.57
2006.00    0.402   335.24
2007.00    0.396   334.90
2008.00    0.390   334.55
2009.00    0.383   334.19
2010.00    0.377   333.82
2011.00    0.370   333.43
2012.00    0.364   333.03
2013.00    0.358   332.62
2014.00    0.351   332.19
2015.00    0.345   331.74
2016.00    0.338   331.28
2017.00    0.332   330.80
2018.00    0.325   330.30
2019.00    0.319   329.78
2020.00    0.313   329.24
2021.00    0.306   328.67
2022.00    0.300   328.09
2023.00    0.294   327.47
2024.00    0.287   326.83
2025.00    0.281   326.16
2026.00    0.275   325.46
2027.00    0.268   324.73
2028.00    0.262   323.96
2029.00    0.256   323.16
2030.00    0.250   322.31
2031.00    0.243   321.42
2032.00    0.237   320.49
2033.00    0.231   319.51
2034.00    0.225   318.47
2035.00    0.219   317.38
2036.00    0.213   316.23
2037.00    0.208   315.01
2038.00    0.202   313.72
2039.00    0.196   312.36
2040.00    0.191   310.92
2041.00    0.185   309.39
2042.00    0.180   307.77
2043.00    0.175   306.06
2044.00    0.170   304.24
2045.00    0.165   302.31
2046.00    0.160   300.27
2047.00    0.156   298.11
2048.00    0.152   295.82
2049.00    0.148   293.41
2050.00    0.144   290.87
2051.00    0.140   288.19
2052.00    0.137   285.39
2053.00    0.134   282.46
2054.00    0.132   279.41
2055.00    0.130   276.25
2056.00    0.128   273.00
2057.00    0.127   269.67
2058.00    0.126   266.28
2059.00    0.125   262.86
2060.00    0.125   259.42
2061.00    0.126   255.99
2062.00    0.126   252.59
2063.00    0.128   249.25
2064.00    0.129   245.98
2065.00    0.131   242.80
2066.00    0.134   239.73
2067.00    0.137   236.78
2068.00    0.140   233.94
2069.00    0.143   231.24
2070.00    0.147   228.67
2071.00    0.151   226.22
2072.00    0.155   223.91
2073.00    0.159   221.71
2074.00    0.164   219.64
2075.00    0.168   217.68
2076.00    0.173   215.82
2077.00    0.178   214.07
2078.00    0.183   212.42
2079.00    0.188   210.85
2080.00    0.194   209.37
2081.00    0.199   207.97
2082.00    0.204   206.64
2083.00    0.210   205.38
2084.00    0.215   204.19
2085.00    0.221   203.05
2086.00    0.226   201.97
2087.00    0.232   200.94
2088.00    0.237   199.95
2089.00    0.242   199.01
2090.00    0.248   198.12
2091.00    0.253   197.26
2092.00    0.258   196.43
2093.00    0.263   195.64
2094.00    0.268   194.87
2095.00    0.273   194.14
2096.00    0.278   193.43
2097.00    0.283   192.74
2098.00    0.287   192.08
2099.00    0.292   191.43
2100.00    0.296   190.81
2101.00    0.300   190.20
2102.00    0.303   189.61
2103.00    0.306   189.03
2104.00    0.309   188.46
2105.00    0.312   187.90
2106.00    0.314   187.35
2107.00    0.316   186.81
2108.00    0.317   186.27
2109.00    0.318   185.73
2110.00    0.318   185.20
2111.00    0.318   184.67
2112.00    0.316   184.13
2113.00    0.314   183.59
2114.00    0.311   183.03
2115.00    0.306   182.47
2116.00    0.300   181.88
2117.00    0.293   181.27
2118.00    0.285   180.62
2119.00    0.274   179.93
2120.00    0.262   179.18
2121.00    0.248   178.35
2122.00    0.231   177.41
2123.00    0.212   176.31
2124.00    0.191   174.99
2125.00    0.168   173.31
2126.00    0.143   171.06
2127.00    0.116   167.81
2128.00    0.089   162.56
2129.00    0.061   152.63
2130.00    0.038   129.04
2131.00    0.032    77.69
2132.00    0.049    40.16
2133.00    0.075    25.36
2134.00    0.103    18.38
2135.00    0.131    14.40
2136.00    0.159    11.82
2137.00    0.187    10.00
2138.00    0.213     8.65
2139.00    0.239     7.59
2140.00    0.265     6.74
2141.00    0.289     6.03
2142.00    0.313     5.44
2143.00    0.336     4.92
2144.00    0.359     4.48
2145.00    0.381     4.08
2146.00    0.402     3.73
2147.00    0.423     3.41
2148.00    0.443     3.12
2149.00    0.462     2.86
2150.00    0.481     2.62
2151.00    0.500     2.39
2152.00    0.518     2.18
2153.00    0.535     1.99
2154.00    0.553     1.81
2155.00    0.569     1.64
2156.00    0.586     1.47
2157.00    0.601     1.32
2158.00    0.617     1.18
2159.00    0.632     1.04
2160.00    0.647     0.91
2161.00    0.661     0.78
2162.00    0.676     0.66
2163.00    0.689     0.54
2164.00    0.703     0.43
2165.00    0.716     0.32
2166.00    0.729     0.22
2167.00    0.742     0.12
2168.00    0.754     0.03
2169.00    0.767   359.93
2170.00    0.778   359.84
2171.00    0.790   359.75
2172.00    0.802   359.67
2173.00    0.813   359.59
2174.00    0.824   359.51
2175.00    0.835   359.43
2176.00    0.845   359.35
2177.00    0.855   359.28
2178.00    0.866   359.20
2179.00    0.876   359.13
2180.00    0.885   359.06
2181.00    0.895   358.99
2182.00    0.904   358.93
2183.00    0.914   358.86
2184.00    0.923   358.80
2185.00    0.932   358.74
2186.00    0.940   358.67
2187.00    0.949   358.61
2188.00    0.957   358.55
2189.00    0.966   358.50
2190.00    0.974   358.44
2191.00    0.982   358.38
2192.00    0.990   358.33
2193.00    0.997   358.27
2194.00    1.005   358.22
2195.00    1.012   358.16
2196.00    1.020   358.11
2197.00    1.027   358.06
2198.00    1.034   358.01
2199.00    1.041   357.96
2200.00    1.047   357.91
2201.00    1.054   357.86
2202.00    1.061   357.81
2203.00    1.067   357.77
2204.00    1.073   357.72
2205.00    1.080   357.67
2206.00    1.086   357.63
2207.00    1.092   357.58
2208.00    1.098   357.54
2209.00    1.103   357.49
2210.00    1.109   357.45
2211.00    1.115   357.40
2212.00    1.120   357.36
2213.00    1.125   357.32
2214.00    1.131   357.27
2215.00    1.136   357.23
2216.00    1.141   357.19
2217.00    1.146   357.15
2218.00    1.151   357.11
2219.00    1.156   357.07
2220.00    1.160   357.03
2221.00    1.165   356.99
2222.00    1.170   356.95
2223.00    1.174   356.91
2224.00    1.178   356.87
2225.00    1.183   356.83
2226.00    1.187   356.79
2227.00    1.191   356.76
2228.00    1.195   356.72
2229.00    1.199   356.68
2230.00    1.203   356.64
2231.00    1.207   356.61
2232.00    1.210   356.57
2233.00    1.214   356.53
2234.00    1.218   356.49
2235.00    1.221   356.46
2236.00    1.225   356.42
2237.00    1.228   356.39
2238.00    1.231   356.35
2239.00    1.235   356.32
2240.00    1.238   356.28
2241.00    1.241   356.25
2242.00    1.244   356.21
2243.00    1.247   356.18
2244.00    1.250   356.14
2245.00    1.252   356.11
2246.00    1.255   356.07
2247.00    1.258   356.04
2248.00    1.261   356.00
2249.00    1.263   355.97
2250.00    1.266   355.94
2251.00    1.268   355.90
2252.00    1.270   355.87
2253.00    1.273   355.84
2254.00    1.275   355.80
2255.00    1.277   355.77
2256.00    1.279   355.74
2257.00    1.282   355.70
2258.00    1.284   355.67
2259.00    1.286   355.64
2260.00    1.287   355.61
2261.00    1.289   355.57
2262.00    1.291   355.54
2263.00    1.293   355.51
2264.00    1.295   355.48
2265.00    1.296   355.44
2266.00    1.298   355.41
2267.00    1.299   355.38
2268.00    1.301   355.35
2269.00    1.302   355.32
2270.00    1.304   355.28
2271.00    1.305   355.25
2272.00    1.306   355.22
2273.00    1.307   355.19
2274.00    1.309   355.16
2275.00    1.310   355.13
2276.00    1.311   355.09
2277.00    1.312   355.06
2278.00    1.313   355.03
2279.00    1.314   355.00
2280.00    1.315   354.97
2281.00    1.315   354.94
2282.00    1.316   354.91
2283.00    1.317   354.88
2284.00    1.318   354.84
2285.00    1.318   354.81
2286.00    1.319   354.78
2287.00    1.319   354.75
2288.00    1.320   354.72
2289.00    1.320   354.69
2290.00    1.321   354.66
2291.00    1.321   354.63
2292.00    1.321   354.60
2293.00    1.322   354.57
2294.00    1.322   354.54
2295.00    1.322   354.50






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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Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 16:52:04



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