Double Star Calculator - Orbit

Orbital Elements for STF2244
WDS: STF2244 WDS ID/Discoverer
P: 474.900 Orbital period (years)
a: 1.032 Semi-major axis (arcseconds)
i: 83.9 Inclination (degrees)
Ω: 97.7 Longitude of ascending node (degrees)
T: 1978.300 Epoch of periastron passage (year)
e: 0.562 Eccentricity
ω: 289.6 Longitude of periastron (degrees)
Start-Year: 1787.55 Year
End-Year: 2262.45 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STF2244
Position: 175704.32+000400.0 Epoch-2000 right ascension and declination
WDS-ID: 17571+0004 WDS designation
Discoverer Code: STF2244 Discover designation and components
ADS number: 10912 Aitken Double Star catalog
HD number: 163624 HD catalog number
Hipparcos number: 87875 Hipparcos catalog number
V1: 6.89 Magnitude of the primary
V2: 6.56 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2009 Date of last observation
Orbit grade: 3 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: USN2017c Reference

Double Star Orbit for STF2244



WDS 6th Orbit including measures of STF2244

-- 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 STF2244
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.682   101.37
--------------------------
1787.55    0.838   267.99
1788.55    0.843   268.09
1789.55    0.848   268.19
1790.55    0.853   268.28
1791.55    0.858   268.38
1792.55    0.863   268.48
1793.55    0.868   268.57
1794.55    0.873   268.67
1795.55    0.878   268.76
1796.55    0.883   268.85
1797.55    0.887   268.94
1798.55    0.892   269.03
1799.55    0.897   269.12
1800.55    0.901   269.21
1801.55    0.906   269.29
1802.55    0.910   269.38
1803.55    0.915   269.47
1804.55    0.919   269.55
1805.55    0.923   269.63
1806.55    0.928   269.72
1807.55    0.932   269.80
1808.55    0.936   269.88
1809.55    0.940   269.96
1810.55    0.944   270.04
1811.55    0.948   270.12
1812.55    0.952   270.20
1813.55    0.956   270.28
1814.55    0.960   270.35
1815.55    0.964   270.43
1816.55    0.968   270.51
1817.55    0.972   270.58
1818.55    0.975   270.66
1819.55    0.979   270.73
1820.55    0.982   270.80
1821.55    0.986   270.88
1822.55    0.989   270.95
1823.55    0.993   271.02
1824.55    0.996   271.09
1825.55    0.999   271.17
1826.55    1.003   271.24
1827.55    1.006   271.31
1828.55    1.009   271.38
1829.55    1.012   271.45
1830.55    1.015   271.52
1831.55    1.018   271.58
1832.55    1.021   271.65
1833.55    1.023   271.72
1834.55    1.026   271.79
1835.55    1.029   271.86
1836.55    1.031   271.92
1837.55    1.034   271.99
1838.55    1.036   272.05
1839.55    1.039   272.12
1840.55    1.041   272.19
1841.55    1.043   272.25
1842.55    1.045   272.32
1843.55    1.047   272.38
1844.55    1.049   272.45
1845.55    1.051   272.51
1846.55    1.053   272.57
1847.55    1.055   272.64
1848.55    1.056   272.70
1849.55    1.058   272.77
1850.55    1.060   272.83
1851.55    1.061   272.89
1852.55    1.062   272.96
1853.55    1.064   273.02
1854.55    1.065   273.08
1855.55    1.066   273.14
1856.55    1.067   273.21
1857.55    1.068   273.27
1858.55    1.069   273.33
1859.55    1.070   273.39
1860.55    1.070   273.45
1861.55    1.071   273.52
1862.55    1.071   273.58
1863.55    1.072   273.64
1864.55    1.072   273.70
1865.55    1.072   273.76
1866.55    1.072   273.82
1867.55    1.072   273.89
1868.55    1.072   273.95
1869.55    1.072   274.01
1870.55    1.072   274.07
1871.55    1.071   274.13
1872.55    1.071   274.20
1873.55    1.070   274.26
1874.55    1.070   274.32
1875.55    1.069   274.38
1876.55    1.068   274.44
1877.55    1.067   274.51
1878.55    1.065   274.57
1879.55    1.064   274.63
1880.55    1.063   274.69
1881.55    1.061   274.76
1882.55    1.060   274.82
1883.55    1.058   274.88
1884.55    1.056   274.95
1885.55    1.054   275.01
1886.55    1.052   275.07
1887.55    1.049   275.14
1888.55    1.047   275.20
1889.55    1.044   275.27
1890.55    1.041   275.33
1891.55    1.039   275.40
1892.55    1.036   275.46
1893.55    1.032   275.53
1894.55    1.029   275.60
1895.55    1.026   275.67
1896.55    1.022   275.73
1897.55    1.018   275.80
1898.55    1.014   275.87
1899.55    1.010   275.94
1900.55    1.006   276.01
1901.55    1.001   276.08
1902.55    0.997   276.15
1903.55    0.992   276.22
1904.55    0.987   276.29
1905.55    0.982   276.37
1906.55    0.977   276.44
1907.55    0.971   276.52
1908.55    0.965   276.59
1909.55    0.959   276.67
1910.55    0.953   276.75
1911.55    0.947   276.83
1912.55    0.940   276.91
1913.55    0.934   276.99
1914.55    0.927   277.07
1915.55    0.920   277.15
1916.55    0.912   277.24
1917.55    0.905   277.32
1918.55    0.897   277.41
1919.55    0.889   277.50
1920.55    0.880   277.59
1921.55    0.872   277.68
1922.55    0.863   277.78
1923.55    0.854   277.87
1924.55    0.845   277.97
1925.55    0.835   278.07
1926.55    0.825   278.17
1927.55    0.815   278.28
1928.55    0.805   278.39
1929.55    0.794   278.50
1930.55    0.783   278.61
1931.55    0.771   278.73
1932.55    0.760   278.85
1933.55    0.748   278.98
1934.55    0.736   279.11
1935.55    0.723   279.24
1936.55    0.710   279.38
1937.55    0.697   279.52
1938.55    0.683   279.67
1939.55    0.669   279.82
1940.55    0.655   279.99
1941.55    0.640   280.16
1942.55    0.625   280.33
1943.55    0.610   280.52
1944.55    0.594   280.71
1945.55    0.578   280.92
1946.55    0.561   281.14
1947.55    0.545   281.37
1948.55    0.527   281.62
1949.55    0.509   281.88
1950.55    0.491   282.17
1951.55    0.473   282.47
1952.55    0.454   282.80
1953.55    0.434   283.16
1954.55    0.414   283.56
1955.55    0.394   283.99
1956.55    0.374   284.47
1957.55    0.353   285.01
1958.55    0.331   285.62
1959.55    0.310   286.31
1960.55    0.287   287.11
1961.55    0.265   288.04
1962.55    0.242   289.14
1963.55    0.220   290.48
1964.55    0.196   292.12
1965.55    0.173   294.21
1966.55    0.150   296.94
1967.55    0.127   300.66
1968.55    0.105   305.99
1969.55    0.084   314.13
1970.55    0.065   327.32
1971.55    0.052   348.81
1972.55    0.050    17.42
1973.55    0.059    42.41
1974.55    0.076    58.45
1975.55    0.096    68.20
1976.55    0.118    74.44
1977.55    0.141    78.70
1978.55    0.164    81.77
1979.55    0.187    84.08
1980.55    0.210    85.89
1981.55    0.232    87.34
1982.55    0.255    88.54
1983.55    0.276    89.55
1984.55    0.298    90.41
1985.55    0.319    91.16
1986.55    0.339    91.82
1987.55    0.359    92.40
1988.55    0.378    92.93
1989.55    0.396    93.40
1990.55    0.414    93.83
1991.55    0.431    94.23
1992.55    0.447    94.60
1993.55    0.463    94.94
1994.55    0.478    95.26
1995.55    0.493    95.56
1996.55    0.506    95.85
1997.55    0.520    96.12
1998.55    0.532    96.37
1999.55    0.544    96.62
2000.55    0.555    96.85
2001.55    0.566    97.08
2002.55    0.576    97.30
2003.55    0.586    97.51
2004.55    0.595    97.71
2005.55    0.603    97.91
2006.55    0.611    98.10
2007.55    0.618    98.29
2008.55    0.625    98.47
2009.55    0.632    98.65
2010.55    0.638    98.83
2011.55    0.643    99.00
2012.55    0.648    99.17
2013.55    0.653    99.34
2014.55    0.657    99.51
2015.55    0.661    99.67
2016.55    0.665    99.83
2017.55    0.668    99.99
2018.55    0.671   100.15
2019.55    0.673   100.30
2020.55    0.676   100.46
2021.55    0.677   100.62
2022.55    0.679   100.77
2023.55    0.680   100.92
2024.55    0.681   101.08
2025.55    0.682   101.23
2026.55    0.682   101.38
2027.55    0.682   101.53
2028.55    0.682   101.69
2029.55    0.682   101.84
2030.55    0.682   101.99
2031.55    0.681   102.15
2032.55    0.680   102.30
2033.55    0.679   102.45
2034.55    0.677   102.61
2035.55    0.676   102.76
2036.55    0.674   102.92
2037.55    0.672   103.07
2038.55    0.670   103.23
2039.55    0.668   103.39
2040.55    0.665   103.55
2041.55    0.662   103.71
2042.55    0.660   103.87
2043.55    0.657   104.04
2044.55    0.654   104.20
2045.55    0.650   104.37
2046.55    0.647   104.54
2047.55    0.644   104.71
2048.55    0.640   104.88
2049.55    0.636   105.06
2050.55    0.632   105.23
2051.55    0.629   105.41
2052.55    0.624   105.59
2053.55    0.620   105.77
2054.55    0.616   105.96
2055.55    0.612   106.15
2056.55    0.607   106.34
2057.55    0.603   106.53
2058.55    0.598   106.73
2059.55    0.593   106.93
2060.55    0.588   107.13
2061.55    0.583   107.34
2062.55    0.578   107.55
2063.55    0.573   107.77
2064.55    0.568   107.98
2065.55    0.563   108.20
2066.55    0.558   108.43
2067.55    0.552   108.66
2068.55    0.547   108.90
2069.55    0.541   109.14
2070.55    0.536   109.38
2071.55    0.530   109.63
2072.55    0.524   109.89
2073.55    0.519   110.15
2074.55    0.513   110.41
2075.55    0.507   110.69
2076.55    0.501   110.97
2077.55    0.495   111.25
2078.55    0.489   111.55
2079.55    0.483   111.85
2080.55    0.477   112.15
2081.55    0.471   112.47
2082.55    0.465   112.79
2083.55    0.459   113.13
2084.55    0.453   113.47
2085.55    0.446   113.82
2086.55    0.440   114.18
2087.55    0.434   114.55
2088.55    0.428   114.93
2089.55    0.421   115.33
2090.55    0.415   115.73
2091.55    0.409   116.15
2092.55    0.402   116.58
2093.55    0.396   117.03
2094.55    0.390   117.49
2095.55    0.383   117.96
2096.55    0.377   118.46
2097.55    0.370   118.96
2098.55    0.364   119.49
2099.55    0.357   120.04
2100.55    0.351   120.60
2101.55    0.345   121.19
2102.55    0.338   121.80
2103.55    0.332   122.43
2104.55    0.326   123.09
2105.55    0.319   123.77
2106.55    0.313   124.48
2107.55    0.307   125.22
2108.55    0.300   125.99
2109.55    0.294   126.79
2110.55    0.288   127.63
2111.55    0.282   128.50
2112.55    0.276   129.42
2113.55    0.270   130.37
2114.55    0.264   131.37
2115.55    0.258   132.42
2116.55    0.252   133.51
2117.55    0.246   134.65
2118.55    0.240   135.85
2119.55    0.235   137.11
2120.55    0.229   138.43
2121.55    0.224   139.81
2122.55    0.219   141.26
2123.55    0.214   142.78
2124.55    0.209   144.37
2125.55    0.204   146.04
2126.55    0.199   147.79
2127.55    0.195   149.62
2128.55    0.190   151.54
2129.55    0.186   153.54
2130.55    0.182   155.63
2131.55    0.179   157.80
2132.55    0.175   160.07
2133.55    0.172   162.41
2134.55    0.170   164.84
2135.55    0.167   167.34
2136.55    0.165   169.92
2137.55    0.163   172.55
2138.55    0.162   175.24
2139.55    0.161   177.98
2140.55    0.160   180.75
2141.55    0.159   183.54
2142.55    0.159   186.33
2143.55    0.160   189.12
2144.55    0.160   191.90
2145.55    0.161   194.64
2146.55    0.163   197.34
2147.55    0.165   199.99
2148.55    0.167   202.57
2149.55    0.169   205.09
2150.55    0.172   207.53
2151.55    0.175   209.89
2152.55    0.178   212.17
2153.55    0.182   214.36
2154.55    0.186   216.47
2155.55    0.190   218.48
2156.55    0.194   220.42
2157.55    0.198   222.26
2158.55    0.203   224.03
2159.55    0.208   225.71
2160.55    0.213   227.32
2161.55    0.218   228.85
2162.55    0.223   230.31
2163.55    0.228   231.70
2164.55    0.234   233.03
2165.55    0.240   234.29
2166.55    0.245   235.50
2167.55    0.251   236.65
2168.55    0.257   237.75
2169.55    0.263   238.80
2170.55    0.269   239.80
2171.55    0.275   240.76
2172.55    0.281   241.68
2173.55    0.287   242.56
2174.55    0.294   243.40
2175.55    0.300   244.20
2176.55    0.306   244.98
2177.55    0.313   245.72
2178.55    0.319   246.43
2179.55    0.326   247.11
2180.55    0.332   247.77
2181.55    0.339   248.40
2182.55    0.345   249.00
2183.55    0.352   249.59
2184.55    0.358   250.15
2185.55    0.365   250.69
2186.55    0.372   251.22
2187.55    0.378   251.72
2188.55    0.385   252.21
2189.55    0.391   252.68
2190.55    0.398   253.14
2191.55    0.405   253.58
2192.55    0.411   254.00
2193.55    0.418   254.42
2194.55    0.425   254.82
2195.55    0.431   255.20
2196.55    0.438   255.58
2197.55    0.445   255.94
2198.55    0.451   256.30
2199.55    0.458   256.64
2200.55    0.465   256.97
2201.55    0.471   257.30
2202.55    0.478   257.61
2203.55    0.484   257.92
2204.55    0.491   258.22
2205.55    0.498   258.51
2206.55    0.504   258.79
2207.55    0.511   259.07
2208.55    0.517   259.33
2209.55    0.524   259.60
2210.55    0.531   259.85
2211.55    0.537   260.10
2212.55    0.544   260.34
2213.55    0.550   260.58
2214.55    0.557   260.81
2215.55    0.563   261.04
2216.55    0.569   261.26
2217.55    0.576   261.48
2218.55    0.582   261.69
2219.55    0.589   261.90
2220.55    0.595   262.10
2221.55    0.601   262.30
2222.55    0.608   262.49
2223.55    0.614   262.68
2224.55    0.620   262.87
2225.55    0.627   263.05
2226.55    0.633   263.23
2227.55    0.639   263.40
2228.55    0.645   263.58
2229.55    0.651   263.74
2230.55    0.658   263.91
2231.55    0.664   264.07
2232.55    0.670   264.23
2233.55    0.676   264.39
2234.55    0.682   264.54
2235.55    0.688   264.69
2236.55    0.694   264.84
2237.55    0.700   264.99
2238.55    0.706   265.13
2239.55    0.712   265.27
2240.55    0.718   265.41
2241.55    0.724   265.55
2242.55    0.729   265.68
2243.55    0.735   265.82
2244.55    0.741   265.95
2245.55    0.747   266.07
2246.55    0.752   266.20
2247.55    0.758   266.33
2248.55    0.764   266.45
2249.55    0.769   266.57
2250.55    0.775   266.69
2251.55    0.780   266.81
2252.55    0.786   266.92
2253.55    0.791   267.04
2254.55    0.797   267.15
2255.55    0.802   267.26
2256.55    0.807   267.37
2257.55    0.813   267.48
2258.55    0.818   267.58
2259.55    0.823   267.69
2260.55    0.828   267.79
2261.55    0.834   267.90






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 17:44:59



www.stella-vega.de