Double Star Calculator - Orbit

Orbital Elements for STT515AB
WDS: STT515AB WDS ID/Discoverer
P: 554.000 Orbital period (years)
a: 0.573 Semi-major axis (arcseconds)
i: 142.2 Inclination (degrees)
Ω: 337.2 Longitude of ascending node (degrees)
T: 1907.450 Epoch of periastron passage (year)
e: 0.385 Eccentricity
ω: 112.6 Longitude of periastron (degrees)
Start-Year: 1748.0 Year
End-Year: 2302.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STT515AB
Position: 010930.12+471430.6 Epoch-2000 right ascension and declination
WDS-ID: 01095+4715 WDS designation
Discoverer Code: STT515AB Discover designation and components
ADS number: 940 Aitken Double Star catalog
HD number: 6811 HD catalog number
Hipparcos number: 5434 Hipparcos catalog number
V1: 4.59 Magnitude of the primary
V2: 5.61 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: n Flags
Ephemerides: Ephemerides
Code: Mut2010b Reference

Double Star Orbit for STT515AB



WDS 6th Orbit including measures of STT515AB

-- 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 STT515AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.529   110.39
--------------------------
1748.00    0.663   359.18
1749.00    0.662   358.83
1750.00    0.662   358.47
1751.00    0.661   358.11
1752.00    0.660   357.76
1753.00    0.659   357.40
1754.00    0.658   357.04
1755.00    0.657   356.68
1756.00    0.655   356.32
1757.00    0.654   355.96
1758.00    0.653   355.59
1759.00    0.652   355.23
1760.00    0.651   354.86
1761.00    0.650   354.49
1762.00    0.648   354.12
1763.00    0.647   353.75
1764.00    0.646   353.38
1765.00    0.645   353.01
1766.00    0.643   352.63
1767.00    0.642   352.25
1768.00    0.640   351.87
1769.00    0.639   351.49
1770.00    0.638   351.11
1771.00    0.636   350.73
1772.00    0.635   350.34
1773.00    0.633   349.96
1774.00    0.632   349.57
1775.00    0.630   349.18
1776.00    0.628   348.78
1777.00    0.627   348.39
1778.00    0.625   347.99
1779.00    0.623   347.59
1780.00    0.622   347.19
1781.00    0.620   346.79
1782.00    0.618   346.38
1783.00    0.616   345.97
1784.00    0.614   345.56
1785.00    0.612   345.15
1786.00    0.610   344.73
1787.00    0.608   344.31
1788.00    0.607   343.89
1789.00    0.604   343.47
1790.00    0.602   343.04
1791.00    0.600   342.61
1792.00    0.598   342.17
1793.00    0.596   341.74
1794.00    0.594   341.30
1795.00    0.592   340.86
1796.00    0.589   340.41
1797.00    0.587   339.96
1798.00    0.585   339.51
1799.00    0.582   339.05
1800.00    0.580   338.59
1801.00    0.578   338.13
1802.00    0.575   337.66
1803.00    0.573   337.19
1804.00    0.570   336.71
1805.00    0.568   336.23
1806.00    0.565   335.74
1807.00    0.562   335.25
1808.00    0.560   334.76
1809.00    0.557   334.26
1810.00    0.554   333.76
1811.00    0.552   333.25
1812.00    0.549   332.73
1813.00    0.546   332.21
1814.00    0.543   331.69
1815.00    0.540   331.16
1816.00    0.537   330.62
1817.00    0.534   330.08
1818.00    0.531   329.53
1819.00    0.528   328.98
1820.00    0.525   328.42
1821.00    0.522   327.85
1822.00    0.519   327.28
1823.00    0.516   326.69
1824.00    0.512   326.11
1825.00    0.509   325.51
1826.00    0.506   324.91
1827.00    0.503   324.29
1828.00    0.499   323.67
1829.00    0.496   323.04
1830.00    0.492   322.41
1831.00    0.489   321.76
1832.00    0.485   321.11
1833.00    0.482   320.44
1834.00    0.478   319.77
1835.00    0.475   319.08
1836.00    0.471   318.38
1837.00    0.468   317.68
1838.00    0.464   316.96
1839.00    0.460   316.23
1840.00    0.456   315.49
1841.00    0.453   314.74
1842.00    0.449   313.97
1843.00    0.445   313.19
1844.00    0.441   312.40
1845.00    0.437   311.60
1846.00    0.434   310.78
1847.00    0.430   309.94
1848.00    0.426   309.09
1849.00    0.422   308.23
1850.00    0.418   307.34
1851.00    0.414   306.44
1852.00    0.410   305.53
1853.00    0.406   304.59
1854.00    0.402   303.64
1855.00    0.398   302.67
1856.00    0.394   301.68
1857.00    0.390   300.67
1858.00    0.386   299.64
1859.00    0.382   298.58
1860.00    0.379   297.51
1861.00    0.375   296.41
1862.00    0.371   295.29
1863.00    0.367   294.15
1864.00    0.363   292.98
1865.00    0.359   291.79
1866.00    0.355   290.57
1867.00    0.352   289.32
1868.00    0.348   288.05
1869.00    0.344   286.75
1870.00    0.341   285.42
1871.00    0.337   284.07
1872.00    0.334   282.68
1873.00    0.330   281.27
1874.00    0.327   279.83
1875.00    0.324   278.36
1876.00    0.320   276.86
1877.00    0.317   275.32
1878.00    0.314   273.76
1879.00    0.311   272.17
1880.00    0.309   270.55
1881.00    0.306   268.90
1882.00    0.303   267.23
1883.00    0.301   265.52
1884.00    0.299   263.79
1885.00    0.296   262.03
1886.00    0.294   260.24
1887.00    0.292   258.44
1888.00    0.291   256.61
1889.00    0.289   254.76
1890.00    0.288   252.89
1891.00    0.286   251.00
1892.00    0.285   249.10
1893.00    0.285   247.18
1894.00    0.284   245.25
1895.00    0.283   243.32
1896.00    0.283   241.37
1897.00    0.283   239.43
1898.00    0.283   237.48
1899.00    0.283   235.53
1900.00    0.283   233.59
1901.00    0.284   231.65
1902.00    0.284   229.72
1903.00    0.285   227.79
1904.00    0.286   225.89
1905.00    0.287   223.99
1906.00    0.288   222.11
1907.00    0.290   220.25
1908.00    0.291   218.41
1909.00    0.293   216.59
1910.00    0.295   214.79
1911.00    0.297   213.01
1912.00    0.299   211.26
1913.00    0.301   209.53
1914.00    0.304   207.83
1915.00    0.306   206.16
1916.00    0.308   204.51
1917.00    0.311   202.89
1918.00    0.314   201.29
1919.00    0.316   199.73
1920.00    0.319   198.19
1921.00    0.322   196.67
1922.00    0.325   195.19
1923.00    0.328   193.73
1924.00    0.331   192.30
1925.00    0.334   190.89
1926.00    0.337   189.51
1927.00    0.340   188.15
1928.00    0.343   186.82
1929.00    0.346   185.51
1930.00    0.350   184.22
1931.00    0.353   182.96
1932.00    0.356   181.72
1933.00    0.359   180.50
1934.00    0.362   179.30
1935.00    0.365   178.13
1936.00    0.368   176.97
1937.00    0.371   175.83
1938.00    0.374   174.71
1939.00    0.378   173.61
1940.00    0.381   172.53
1941.00    0.384   171.47
1942.00    0.387   170.42
1943.00    0.390   169.38
1944.00    0.393   168.37
1945.00    0.395   167.36
1946.00    0.398   166.37
1947.00    0.401   165.40
1948.00    0.404   164.44
1949.00    0.407   163.49
1950.00    0.409   162.56
1951.00    0.412   161.64
1952.00    0.415   160.73
1953.00    0.417   159.83
1954.00    0.420   158.94
1955.00    0.423   158.07
1956.00    0.425   157.20
1957.00    0.428   156.34
1958.00    0.430   155.50
1959.00    0.432   154.66
1960.00    0.435   153.84
1961.00    0.437   153.02
1962.00    0.439   152.21
1963.00    0.442   151.41
1964.00    0.444   150.61
1965.00    0.446   149.83
1966.00    0.448   149.05
1967.00    0.450   148.28
1968.00    0.452   147.51
1969.00    0.455   146.76
1970.00    0.457   146.01
1971.00    0.458   145.27
1972.00    0.460   144.53
1973.00    0.462   143.80
1974.00    0.464   143.07
1975.00    0.466   142.35
1976.00    0.468   141.64
1977.00    0.470   140.93
1978.00    0.471   140.23
1979.00    0.473   139.53
1980.00    0.475   138.84
1981.00    0.476   138.15
1982.00    0.478   137.47
1983.00    0.480   136.79
1984.00    0.481   136.11
1985.00    0.483   135.44
1986.00    0.484   134.78
1987.00    0.486   134.12
1988.00    0.487   133.46
1989.00    0.489   132.80
1990.00    0.490   132.15
1991.00    0.491   131.51
1992.00    0.493   130.87
1993.00    0.494   130.23
1994.00    0.495   129.59
1995.00    0.497   128.96
1996.00    0.498   128.33
1997.00    0.499   127.70
1998.00    0.500   127.08
1999.00    0.502   126.46
2000.00    0.503   125.84
2001.00    0.504   125.23
2002.00    0.505   124.62
2003.00    0.506   124.01
2004.00    0.507   123.40
2005.00    0.509   122.80
2006.00    0.510   122.20
2007.00    0.511   121.60
2008.00    0.512   121.01
2009.00    0.513   120.41
2010.00    0.514   119.82
2011.00    0.515   119.24
2012.00    0.516   118.65
2013.00    0.517   118.07
2014.00    0.518   117.49
2015.00    0.519   116.91
2016.00    0.520   116.33
2017.00    0.521   115.76
2018.00    0.522   115.18
2019.00    0.523   114.61
2020.00    0.524   114.04
2021.00    0.524   113.48
2022.00    0.525   112.91
2023.00    0.526   112.35
2024.00    0.527   111.79
2025.00    0.528   111.23
2026.00    0.529   110.67
2027.00    0.530   110.12
2028.00    0.531   109.56
2029.00    0.531   109.01
2030.00    0.532   108.46
2031.00    0.533   107.91
2032.00    0.534   107.37
2033.00    0.535   106.82
2034.00    0.536   106.28
2035.00    0.536   105.74
2036.00    0.537   105.20
2037.00    0.538   104.66
2038.00    0.539   104.12
2039.00    0.540   103.58
2040.00    0.540   103.05
2041.00    0.541   102.52
2042.00    0.542   101.99
2043.00    0.543   101.46
2044.00    0.543   100.93
2045.00    0.544   100.41
2046.00    0.545    99.88
2047.00    0.546    99.36
2048.00    0.547    98.84
2049.00    0.547    98.32
2050.00    0.548    97.80
2051.00    0.549    97.28
2052.00    0.550    96.76
2053.00    0.550    96.25
2054.00    0.551    95.74
2055.00    0.552    95.23
2056.00    0.553    94.72
2057.00    0.553    94.21
2058.00    0.554    93.70
2059.00    0.555    93.19
2060.00    0.556    92.69
2061.00    0.556    92.19
2062.00    0.557    91.68
2063.00    0.558    91.18
2064.00    0.559    90.68
2065.00    0.559    90.19
2066.00    0.560    89.69
2067.00    0.561    89.19
2068.00    0.562    88.70
2069.00    0.562    88.21
2070.00    0.563    87.72
2071.00    0.564    87.23
2072.00    0.565    86.74
2073.00    0.565    86.25
2074.00    0.566    85.77
2075.00    0.567    85.28
2076.00    0.568    84.80
2077.00    0.569    84.32
2078.00    0.569    83.83
2079.00    0.570    83.36
2080.00    0.571    82.88
2081.00    0.572    82.40
2082.00    0.572    81.92
2083.00    0.573    81.45
2084.00    0.574    80.98
2085.00    0.575    80.51
2086.00    0.576    80.04
2087.00    0.576    79.57
2088.00    0.577    79.10
2089.00    0.578    78.63
2090.00    0.579    78.17
2091.00    0.579    77.70
2092.00    0.580    77.24
2093.00    0.581    76.78
2094.00    0.582    76.32
2095.00    0.583    75.86
2096.00    0.583    75.40
2097.00    0.584    74.94
2098.00    0.585    74.49
2099.00    0.586    74.04
2100.00    0.587    73.58
2101.00    0.587    73.13
2102.00    0.588    72.68
2103.00    0.589    72.23
2104.00    0.590    71.78
2105.00    0.591    71.34
2106.00    0.591    70.89
2107.00    0.592    70.45
2108.00    0.593    70.00
2109.00    0.594    69.56
2110.00    0.595    69.12
2111.00    0.596    68.68
2112.00    0.596    68.24
2113.00    0.597    67.81
2114.00    0.598    67.37
2115.00    0.599    66.94
2116.00    0.600    66.50
2117.00    0.600    66.07
2118.00    0.601    65.64
2119.00    0.602    65.21
2120.00    0.603    64.78
2121.00    0.604    64.36
2122.00    0.605    63.93
2123.00    0.605    63.50
2124.00    0.606    63.08
2125.00    0.607    62.66
2126.00    0.608    62.24
2127.00    0.609    61.82
2128.00    0.610    61.40
2129.00    0.610    60.98
2130.00    0.611    60.56
2131.00    0.612    60.15
2132.00    0.613    59.73
2133.00    0.614    59.32
2134.00    0.615    58.90
2135.00    0.615    58.49
2136.00    0.616    58.08
2137.00    0.617    57.67
2138.00    0.618    57.27
2139.00    0.619    56.86
2140.00    0.620    56.45
2141.00    0.620    56.05
2142.00    0.621    55.64
2143.00    0.622    55.24
2144.00    0.623    54.84
2145.00    0.624    54.44
2146.00    0.625    54.04
2147.00    0.625    53.64
2148.00    0.626    53.24
2149.00    0.627    52.85
2150.00    0.628    52.45
2151.00    0.629    52.06
2152.00    0.629    51.67
2153.00    0.630    51.27
2154.00    0.631    50.88
2155.00    0.632    50.49
2156.00    0.633    50.10
2157.00    0.633    49.71
2158.00    0.634    49.33
2159.00    0.635    48.94
2160.00    0.636    48.56
2161.00    0.637    48.17
2162.00    0.637    47.79
2163.00    0.638    47.41
2164.00    0.639    47.02
2165.00    0.640    46.64
2166.00    0.641    46.26
2167.00    0.641    45.89
2168.00    0.642    45.51
2169.00    0.643    45.13
2170.00    0.644    44.76
2171.00    0.644    44.38
2172.00    0.645    44.01
2173.00    0.646    43.63
2174.00    0.647    43.26
2175.00    0.648    42.89
2176.00    0.648    42.52
2177.00    0.649    42.15
2178.00    0.650    41.78
2179.00    0.650    41.41
2180.00    0.651    41.04
2181.00    0.652    40.68
2182.00    0.653    40.31
2183.00    0.653    39.95
2184.00    0.654    39.58
2185.00    0.655    39.22
2186.00    0.655    38.86
2187.00    0.656    38.50
2188.00    0.657    38.13
2189.00    0.657    37.77
2190.00    0.658    37.41
2191.00    0.659    37.06
2192.00    0.659    36.70
2193.00    0.660    36.34
2194.00    0.661    35.98
2195.00    0.661    35.63
2196.00    0.662    35.27
2197.00    0.663    34.92
2198.00    0.663    34.56
2199.00    0.664    34.21
2200.00    0.664    33.86
2201.00    0.665    33.51
2202.00    0.666    33.15
2203.00    0.666    32.80
2204.00    0.667    32.45
2205.00    0.667    32.10
2206.00    0.668    31.75
2207.00    0.669    31.41
2208.00    0.669    31.06
2209.00    0.670    30.71
2210.00    0.670    30.36
2211.00    0.671    30.02
2212.00    0.671    29.67
2213.00    0.672    29.33
2214.00    0.672    28.98
2215.00    0.673    28.64
2216.00    0.673    28.29
2217.00    0.674    27.95
2218.00    0.674    27.61
2219.00    0.674    27.27
2220.00    0.675    26.92
2221.00    0.675    26.58
2222.00    0.676    26.24
2223.00    0.676    25.90
2224.00    0.677    25.56
2225.00    0.677    25.22
2226.00    0.677    24.88
2227.00    0.678    24.54
2228.00    0.678    24.21
2229.00    0.678    23.87
2230.00    0.679    23.53
2231.00    0.679    23.19
2232.00    0.679    22.85
2233.00    0.680    22.52
2234.00    0.680    22.18
2235.00    0.680    21.84
2236.00    0.680    21.51
2237.00    0.681    21.17
2238.00    0.681    20.84
2239.00    0.681    20.50
2240.00    0.681    20.17
2241.00    0.682    19.83
2242.00    0.682    19.50
2243.00    0.682    19.16
2244.00    0.682    18.83
2245.00    0.682    18.49
2246.00    0.682    18.16
2247.00    0.682    17.82
2248.00    0.683    17.49
2249.00    0.683    17.16
2250.00    0.683    16.82
2251.00    0.683    16.49
2252.00    0.683    16.16
2253.00    0.683    15.82
2254.00    0.683    15.49
2255.00    0.683    15.15
2256.00    0.683    14.82
2257.00    0.683    14.49
2258.00    0.683    14.15
2259.00    0.683    13.82
2260.00    0.683    13.49
2261.00    0.683    13.15
2262.00    0.683    12.82
2263.00    0.682    12.48
2264.00    0.682    12.15
2265.00    0.682    11.82
2266.00    0.682    11.48
2267.00    0.682    11.15
2268.00    0.682    10.81
2269.00    0.681    10.48
2270.00    0.681    10.14
2271.00    0.681     9.81
2272.00    0.681     9.47
2273.00    0.680     9.13
2274.00    0.680     8.80
2275.00    0.680     8.46
2276.00    0.679     8.12
2277.00    0.679     7.79
2278.00    0.679     7.45
2279.00    0.678     7.11
2280.00    0.678     6.77
2281.00    0.677     6.43
2282.00    0.677     6.09
2283.00    0.676     5.76
2284.00    0.676     5.41
2285.00    0.675     5.07
2286.00    0.675     4.73
2287.00    0.674     4.39
2288.00    0.674     4.05
2289.00    0.673     3.71
2290.00    0.673     3.36
2291.00    0.672     3.02
2292.00    0.671     2.67
2293.00    0.671     2.33
2294.00    0.670     1.98
2295.00    0.669     1.63
2296.00    0.668     1.28
2297.00    0.668     0.94
2298.00    0.667     0.59
2299.00    0.666     0.24
2300.00    0.665   359.89
2301.00    0.664   359.53






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 14:47:56



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