Double Star Calculator - Orbit

Orbital Elements for STT215
WDS: STT215 WDS ID/Discoverer
P: 702.400 Orbital period (years)
a: 1.035 Semi-major axis (arcseconds)
i: 180.0 Inclination (degrees)
Ω: 90.6 Longitude of ascending node (degrees)
T: 1826.630 Epoch of periastron passage (year)
e: 0.707 Eccentricity
ω: 116.5 Longitude of periastron (degrees)
Start-Year: 1673.8 Year
End-Year: 2376.2 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STT215
Position: 101616.05+174424.6 Epoch-2000 right ascension and declination
WDS-ID: 10163+1744 WDS designation
Discoverer Code: STT215 Discover designation and components
ADS number: 7704 Aitken Double Star catalog
HD number: 88987 HD catalog number
Hipparcos number: 50305 Hipparcos catalog number
V1: 7.25 Magnitude of the primary
V2: 7.46 Magnitude of the secondary
Equinox: Equinox
Date: 2022 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: Lin2022b Reference

Double Star Orbit for STT215



WDS 6th Orbit including measures of STT215

-- 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 STT215
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.528   174.83
--------------------------
1673.80    1.345   124.55
1674.80    1.340   124.33
1675.80    1.335   124.11
1676.80    1.331   123.90
1677.80    1.326   123.68
1678.80    1.321   123.45
1679.80    1.317   123.23
1680.80    1.312   123.01
1681.80    1.307   122.78
1682.80    1.302   122.55
1683.80    1.297   122.32
1684.80    1.293   122.09
1685.80    1.288   121.86
1686.80    1.283   121.62
1687.80    1.278   121.39
1688.80    1.273   121.15
1689.80    1.268   120.91
1690.80    1.263   120.66
1691.80    1.257   120.42
1692.80    1.252   120.17
1693.80    1.247   119.92
1694.80    1.242   119.67
1695.80    1.237   119.42
1696.80    1.231   119.16
1697.80    1.226   118.91
1698.80    1.221   118.65
1699.80    1.215   118.39
1700.80    1.210   118.12
1701.80    1.204   117.86
1702.80    1.199   117.59
1703.80    1.193   117.32
1704.80    1.188   117.04
1705.80    1.182   116.77
1706.80    1.177   116.49
1707.80    1.171   116.20
1708.80    1.165   115.92
1709.80    1.160   115.63
1710.80    1.154   115.34
1711.80    1.148   115.05
1712.80    1.142   114.75
1713.80    1.136   114.45
1714.80    1.130   114.15
1715.80    1.124   113.85
1716.80    1.118   113.54
1717.80    1.112   113.22
1718.80    1.106   112.91
1719.80    1.100   112.59
1720.80    1.094   112.27
1721.80    1.088   111.94
1722.80    1.081   111.61
1723.80    1.075   111.28
1724.80    1.069   110.94
1725.80    1.063   110.60
1726.80    1.056   110.25
1727.80    1.050   109.90
1728.80    1.043   109.55
1729.80    1.037   109.19
1730.80    1.030   108.82
1731.80    1.024   108.46
1732.80    1.017   108.08
1733.80    1.010   107.70
1734.80    1.004   107.32
1735.80    0.997   106.93
1736.80    0.990   106.54
1737.80    0.983   106.14
1738.80    0.976   105.74
1739.80    0.969   105.33
1740.80    0.962   104.91
1741.80    0.955   104.49
1742.80    0.948   104.06
1743.80    0.941   103.62
1744.80    0.934   103.18
1745.80    0.927   102.73
1746.80    0.919   102.28
1747.80    0.912   101.81
1748.80    0.905   101.34
1749.80    0.897   100.87
1750.80    0.890   100.38
1751.80    0.883    99.89
1752.80    0.875    99.38
1753.80    0.867    98.87
1754.80    0.860    98.35
1755.80    0.852    97.82
1756.80    0.844    97.28
1757.80    0.837    96.73
1758.80    0.829    96.17
1759.80    0.821    95.60
1760.80    0.813    95.02
1761.80    0.805    94.43
1762.80    0.797    93.82
1763.80    0.789    93.20
1764.80    0.781    92.57
1765.80    0.773    91.93
1766.80    0.764    91.27
1767.80    0.756    90.60
1768.80    0.748    89.91
1769.80    0.740    89.21
1770.80    0.731    88.49
1771.80    0.723    87.76
1772.80    0.714    87.01
1773.80    0.706    86.24
1774.80    0.697    85.45
1775.80    0.688    84.64
1776.80    0.680    83.81
1777.80    0.671    82.96
1778.80    0.662    82.08
1779.80    0.653    81.18
1780.80    0.644    80.26
1781.80    0.636    79.31
1782.80    0.627    78.34
1783.80    0.618    77.34
1784.80    0.609    76.30
1785.80    0.600    75.24
1786.80    0.590    74.14
1787.80    0.581    73.01
1788.80    0.572    71.84
1789.80    0.563    70.64
1790.80    0.554    69.39
1791.80    0.545    68.11
1792.80    0.535    66.77
1793.80    0.526    65.40
1794.80    0.517    63.97
1795.80    0.508    62.49
1796.80    0.498    60.95
1797.80    0.489    59.36
1798.80    0.480    57.70
1799.80    0.471    55.98
1800.80    0.462    54.20
1801.80    0.452    52.34
1802.80    0.443    50.40
1803.80    0.434    48.39
1804.80    0.426    46.29
1805.80    0.417    44.10
1806.80    0.408    41.82
1807.80    0.400    39.44
1808.80    0.391    36.95
1809.80    0.383    34.37
1810.80    0.375    31.67
1811.80    0.368    28.85
1812.80    0.360    25.92
1813.80    0.353    22.87
1814.80    0.346    19.69
1815.80    0.340    16.39
1816.80    0.334    12.97
1817.80    0.328     9.43
1818.80    0.323     5.77
1819.80    0.319     1.99
1820.80    0.315   358.12
1821.80    0.311   354.15
1822.80    0.308   350.10
1823.80    0.306   345.98
1824.80    0.304   341.81
1825.80    0.303   337.60
1826.80    0.303   333.38
1827.80    0.304   329.17
1828.80    0.305   324.97
1829.80    0.307   320.82
1830.80    0.309   316.72
1831.80    0.312   312.69
1832.80    0.316   308.75
1833.80    0.320   304.91
1834.80    0.325   301.18
1835.80    0.330   297.55
1836.80    0.336   294.05
1837.80    0.342   290.67
1838.80    0.349   287.41
1839.80    0.355   284.28
1840.80    0.363   281.27
1841.80    0.370   278.38
1842.80    0.378   275.60
1843.80    0.386   272.94
1844.80    0.394   270.39
1845.80    0.403   267.94
1846.80    0.411   265.60
1847.80    0.420   263.35
1848.80    0.429   261.19
1849.80    0.438   259.12
1850.80    0.446   257.13
1851.80    0.456   255.22
1852.80    0.465   253.39
1853.80    0.474   251.62
1854.80    0.483   249.93
1855.80    0.492   248.29
1856.80    0.501   246.72
1857.80    0.511   245.20
1858.80    0.520   243.74
1859.80    0.529   242.33
1860.80    0.538   240.97
1861.80    0.548   239.65
1862.80    0.557   238.38
1863.80    0.566   237.15
1864.80    0.575   235.95
1865.80    0.584   234.80
1866.80    0.594   233.68
1867.80    0.603   232.59
1868.80    0.612   231.54
1869.80    0.621   230.52
1870.80    0.630   229.53
1871.80    0.639   228.56
1872.80    0.648   227.62
1873.80    0.656   226.71
1874.80    0.665   225.82
1875.80    0.674   224.95
1876.80    0.683   224.11
1877.80    0.691   223.29
1878.80    0.700   222.48
1879.80    0.709   221.70
1880.80    0.717   220.94
1881.80    0.726   220.19
1882.80    0.734   219.46
1883.80    0.742   218.75
1884.80    0.751   218.05
1885.80    0.759   217.37
1886.80    0.767   216.70
1887.80    0.775   216.05
1888.80    0.784   215.41
1889.80    0.792   214.79
1890.80    0.800   214.17
1891.80    0.808   213.57
1892.80    0.816   212.98
1893.80    0.824   212.40
1894.80    0.831   211.84
1895.80    0.839   211.28
1896.80    0.847   210.73
1897.80    0.855   210.20
1898.80    0.862   209.67
1899.80    0.870   209.15
1900.80    0.878   208.65
1901.80    0.885   208.15
1902.80    0.893   207.65
1903.80    0.900   207.17
1904.80    0.907   206.69
1905.80    0.915   206.23
1906.80    0.922   205.77
1907.80    0.929   205.31
1908.80    0.936   204.87
1909.80    0.944   204.43
1910.80    0.951   203.99
1911.80    0.958   203.57
1912.80    0.965   203.15
1913.80    0.972   202.73
1914.80    0.979   202.33
1915.80    0.985   201.92
1916.80    0.992   201.53
1917.80    0.999   201.13
1918.80    1.006   200.75
1919.80    1.013   200.37
1920.80    1.019   199.99
1921.80    1.026   199.62
1922.80    1.032   199.25
1923.80    1.039   198.89
1924.80    1.045   198.53
1925.80    1.052   198.18
1926.80    1.058   197.83
1927.80    1.065   197.49
1928.80    1.071   197.15
1929.80    1.077   196.81
1930.80    1.084   196.48
1931.80    1.090   196.15
1932.80    1.096   195.82
1933.80    1.102   195.50
1934.80    1.108   195.18
1935.80    1.114   194.87
1936.80    1.120   194.56
1937.80    1.126   194.25
1938.80    1.132   193.95
1939.80    1.138   193.64
1940.80    1.144   193.35
1941.80    1.150   193.05
1942.80    1.156   192.76
1943.80    1.161   192.47
1944.80    1.167   192.18
1945.80    1.173   191.90
1946.80    1.179   191.62
1947.80    1.184   191.34
1948.80    1.190   191.06
1949.80    1.195   190.79
1950.80    1.201   190.52
1951.80    1.206   190.25
1952.80    1.212   189.99
1953.80    1.217   189.72
1954.80    1.222   189.46
1955.80    1.228   189.20
1956.80    1.233   188.95
1957.80    1.238   188.69
1958.80    1.244   188.44
1959.80    1.249   188.19
1960.80    1.254   187.94
1961.80    1.259   187.70
1962.80    1.264   187.45
1963.80    1.269   187.21
1964.80    1.274   186.97
1965.80    1.279   186.73
1966.80    1.284   186.50
1967.80    1.289   186.26
1968.80    1.294   186.03
1969.80    1.299   185.80
1970.80    1.304   185.57
1971.80    1.309   185.34
1972.80    1.314   185.12
1973.80    1.318   184.89
1974.80    1.323   184.67
1975.80    1.328   184.45
1976.80    1.332   184.23
1977.80    1.337   184.01
1978.80    1.342   183.80
1979.80    1.346   183.58
1980.80    1.351   183.37
1981.80    1.355   183.15
1982.80    1.360   182.94
1983.80    1.364   182.73
1984.80    1.369   182.53
1985.80    1.373   182.32
1986.80    1.377   182.11
1987.80    1.382   181.91
1988.80    1.386   181.71
1989.80    1.390   181.51
1990.80    1.394   181.31
1991.80    1.399   181.11
1992.80    1.403   180.91
1993.80    1.407   180.71
1994.80    1.411   180.52
1995.80    1.415   180.32
1996.80    1.419   180.13
1997.80    1.423   179.94
1998.80    1.427   179.75
1999.80    1.431   179.56
2000.80    1.435   179.37
2001.80    1.439   179.18
2002.80    1.443   178.99
2003.80    1.447   178.81
2004.80    1.451   178.62
2005.80    1.455   178.44
2006.80    1.459   178.25
2007.80    1.462   178.07
2008.80    1.466   177.89
2009.80    1.470   177.71
2010.80    1.474   177.53
2011.80    1.477   177.35
2012.80    1.481   177.18
2013.80    1.484   177.00
2014.80    1.488   176.82
2015.80    1.492   176.65
2016.80    1.495   176.47
2017.80    1.499   176.30
2018.80    1.502   176.13
2019.80    1.506   175.96
2020.80    1.509   175.79
2021.80    1.512   175.62
2022.80    1.516   175.45
2023.80    1.519   175.28
2024.80    1.523   175.11
2025.80    1.526   174.94
2026.80    1.529   174.78
2027.80    1.532   174.61
2028.80    1.536   174.45
2029.80    1.539   174.28
2030.80    1.542   174.12
2031.80    1.545   173.95
2032.80    1.548   173.79
2033.80    1.551   173.63
2034.80    1.554   173.47
2035.80    1.558   173.31
2036.80    1.561   173.15
2037.80    1.564   172.99
2038.80    1.567   172.83
2039.80    1.569   172.67
2040.80    1.572   172.52
2041.80    1.575   172.36
2042.80    1.578   172.20
2043.80    1.581   172.05
2044.80    1.584   171.89
2045.80    1.587   171.74
2046.80    1.590   171.58
2047.80    1.592   171.43
2048.80    1.595   171.28
2049.80    1.598   171.13
2050.80    1.600   170.97
2051.80    1.603   170.82
2052.80    1.606   170.67
2053.80    1.608   170.52
2054.80    1.611   170.37
2055.80    1.614   170.22
2056.80    1.616   170.07
2057.80    1.619   169.93
2058.80    1.621   169.78
2059.80    1.624   169.63
2060.80    1.626   169.48
2061.80    1.629   169.34
2062.80    1.631   169.19
2063.80    1.633   169.04
2064.80    1.636   168.90
2065.80    1.638   168.75
2066.80    1.640   168.61
2067.80    1.643   168.47
2068.80    1.645   168.32
2069.80    1.647   168.18
2070.80    1.650   168.04
2071.80    1.652   167.89
2072.80    1.654   167.75
2073.80    1.656   167.61
2074.80    1.658   167.47
2075.80    1.660   167.33
2076.80    1.663   167.19
2077.80    1.665   167.05
2078.80    1.667   166.91
2079.80    1.669   166.77
2080.80    1.671   166.63
2081.80    1.673   166.49
2082.80    1.675   166.35
2083.80    1.677   166.21
2084.80    1.679   166.07
2085.80    1.681   165.94
2086.80    1.682   165.80
2087.80    1.684   165.66
2088.80    1.686   165.52
2089.80    1.688   165.39
2090.80    1.690   165.25
2091.80    1.692   165.12
2092.80    1.693   164.98
2093.80    1.695   164.85
2094.80    1.697   164.71
2095.80    1.698   164.58
2096.80    1.700   164.44
2097.80    1.702   164.31
2098.80    1.703   164.17
2099.80    1.705   164.04
2100.80    1.707   163.91
2101.80    1.708   163.77
2102.80    1.710   163.64
2103.80    1.711   163.51
2104.80    1.713   163.37
2105.80    1.714   163.24
2106.80    1.716   163.11
2107.80    1.717   162.98
2108.80    1.719   162.85
2109.80    1.720   162.72
2110.80    1.721   162.58
2111.80    1.723   162.45
2112.80    1.724   162.32
2113.80    1.725   162.19
2114.80    1.727   162.06
2115.80    1.728   161.93
2116.80    1.729   161.80
2117.80    1.730   161.67
2118.80    1.732   161.54
2119.80    1.733   161.41
2120.80    1.734   161.28
2121.80    1.735   161.15
2122.80    1.736   161.03
2123.80    1.737   160.90
2124.80    1.738   160.77
2125.80    1.739   160.64
2126.80    1.740   160.51
2127.80    1.742   160.38
2128.80    1.743   160.26
2129.80    1.743   160.13
2130.80    1.744   160.00
2131.80    1.745   159.87
2132.80    1.746   159.75
2133.80    1.747   159.62
2134.80    1.748   159.49
2135.80    1.749   159.36
2136.80    1.750   159.24
2137.80    1.751   159.11
2138.80    1.751   158.98
2139.80    1.752   158.86
2140.80    1.753   158.73
2141.80    1.754   158.60
2142.80    1.754   158.48
2143.80    1.755   158.35
2144.80    1.756   158.23
2145.80    1.756   158.10
2146.80    1.757   157.97
2147.80    1.758   157.85
2148.80    1.758   157.72
2149.80    1.759   157.60
2150.80    1.759   157.47
2151.80    1.760   157.35
2152.80    1.760   157.22
2153.80    1.761   157.10
2154.80    1.761   156.97
2155.80    1.762   156.85
2156.80    1.762   156.72
2157.80    1.763   156.60
2158.80    1.763   156.47
2159.80    1.763   156.35
2160.80    1.764   156.22
2161.80    1.764   156.10
2162.80    1.764   155.97
2163.80    1.765   155.85
2164.80    1.765   155.72
2165.80    1.765   155.60
2166.80    1.766   155.47
2167.80    1.766   155.35
2168.80    1.766   155.22
2169.80    1.766   155.10
2170.80    1.766   154.97
2171.80    1.766   154.85
2172.80    1.766   154.73
2173.80    1.767   154.60
2174.80    1.767   154.48
2175.80    1.767   154.35
2176.80    1.767   154.23
2177.80    1.767   154.10
2178.80    1.767   153.98
2179.80    1.767   153.85
2180.80    1.767   153.73
2181.80    1.767   153.61
2182.80    1.766   153.48
2183.80    1.766   153.36
2184.80    1.766   153.23
2185.80    1.766   153.11
2186.80    1.766   152.98
2187.80    1.766   152.86
2188.80    1.766   152.73
2189.80    1.765   152.61
2190.80    1.765   152.49
2191.80    1.765   152.36
2192.80    1.764   152.24
2193.80    1.764   152.11
2194.80    1.764   151.99
2195.80    1.763   151.86
2196.80    1.763   151.74
2197.80    1.763   151.61
2198.80    1.762   151.49
2199.80    1.762   151.36
2200.80    1.761   151.24
2201.80    1.761   151.11
2202.80    1.760   150.99
2203.80    1.760   150.86
2204.80    1.759   150.74
2205.80    1.759   150.61
2206.80    1.758   150.48
2207.80    1.758   150.36
2208.80    1.757   150.23
2209.80    1.756   150.11
2210.80    1.756   149.98
2211.80    1.755   149.86
2212.80    1.754   149.73
2213.80    1.754   149.60
2214.80    1.753   149.48
2215.80    1.752   149.35
2216.80    1.751   149.22
2217.80    1.751   149.10
2218.80    1.750   148.97
2219.80    1.749   148.84
2220.80    1.748   148.72
2221.80    1.747   148.59
2222.80    1.746   148.46
2223.80    1.745   148.34
2224.80    1.745   148.21
2225.80    1.744   148.08
2226.80    1.743   147.95
2227.80    1.742   147.82
2228.80    1.741   147.70
2229.80    1.739   147.57
2230.80    1.738   147.44
2231.80    1.737   147.31
2232.80    1.736   147.18
2233.80    1.735   147.05
2234.80    1.734   146.92
2235.80    1.733   146.80
2236.80    1.732   146.67
2237.80    1.730   146.54
2238.80    1.729   146.41
2239.80    1.728   146.28
2240.80    1.727   146.15
2241.80    1.725   146.02
2242.80    1.724   145.89
2243.80    1.723   145.75
2244.80    1.721   145.62
2245.80    1.720   145.49
2246.80    1.719   145.36
2247.80    1.717   145.23
2248.80    1.716   145.10
2249.80    1.714   144.97
2250.80    1.713   144.83
2251.80    1.711   144.70
2252.80    1.710   144.57
2253.80    1.708   144.44
2254.80    1.707   144.30
2255.80    1.705   144.17
2256.80    1.703   144.04
2257.80    1.702   143.90
2258.80    1.700   143.77
2259.80    1.699   143.63
2260.80    1.697   143.50
2261.80    1.695   143.36
2262.80    1.693   143.23
2263.80    1.692   143.09
2264.80    1.690   142.96
2265.80    1.688   142.82
2266.80    1.686   142.68
2267.80    1.684   142.55
2268.80    1.683   142.41
2269.80    1.681   142.27
2270.80    1.679   142.14
2271.80    1.677   142.00
2272.80    1.675   141.86
2273.80    1.673   141.72
2274.80    1.671   141.58
2275.80    1.669   141.44
2276.80    1.667   141.30
2277.80    1.665   141.16
2278.80    1.663   141.02
2279.80    1.661   140.88
2280.80    1.658   140.74
2281.80    1.656   140.60
2282.80    1.654   140.46
2283.80    1.652   140.32
2284.80    1.650   140.17
2285.80    1.647   140.03
2286.80    1.645   139.89
2287.80    1.643   139.74
2288.80    1.641   139.60
2289.80    1.638   139.45
2290.80    1.636   139.31
2291.80    1.634   139.16
2292.80    1.631   139.02
2293.80    1.629   138.87
2294.80    1.626   138.73
2295.80    1.624   138.58
2296.80    1.621   138.43
2297.80    1.619   138.28
2298.80    1.616   138.14
2299.80    1.614   137.99
2300.80    1.611   137.84
2301.80    1.609   137.69
2302.80    1.606   137.54
2303.80    1.603   137.39
2304.80    1.601   137.24
2305.80    1.598   137.08
2306.80    1.595   136.93
2307.80    1.592   136.78
2308.80    1.590   136.62
2309.80    1.587   136.47
2310.80    1.584   136.32
2311.80    1.581   136.16
2312.80    1.578   136.01
2313.80    1.576   135.85
2314.80    1.573   135.69
2315.80    1.570   135.54
2316.80    1.567   135.38
2317.80    1.564   135.22
2318.80    1.561   135.06
2319.80    1.558   134.90
2320.80    1.555   134.74
2321.80    1.552   134.58
2322.80    1.548   134.42
2323.80    1.545   134.26
2324.80    1.542   134.09
2325.80    1.539   133.93
2326.80    1.536   133.76
2327.80    1.533   133.60
2328.80    1.529   133.43
2329.80    1.526   133.27
2330.80    1.523   133.10
2331.80    1.519   132.93
2332.80    1.516   132.76
2333.80    1.513   132.59
2334.80    1.509   132.42
2335.80    1.506   132.25
2336.80    1.502   132.08
2337.80    1.499   131.91
2338.80    1.495   131.74
2339.80    1.492   131.56
2340.80    1.488   131.39
2341.80    1.485   131.21
2342.80    1.481   131.04
2343.80    1.477   130.86
2344.80    1.474   130.68
2345.80    1.470   130.50
2346.80    1.466   130.32
2347.80    1.463   130.14
2348.80    1.459   129.96
2349.80    1.455   129.77
2350.80    1.451   129.59
2351.80    1.447   129.41
2352.80    1.443   129.22
2353.80    1.440   129.03
2354.80    1.436   128.84
2355.80    1.432   128.66
2356.80    1.428   128.47
2357.80    1.424   128.27
2358.80    1.420   128.08
2359.80    1.416   127.89
2360.80    1.411   127.70
2361.80    1.407   127.50
2362.80    1.403   127.30
2363.80    1.399   127.11
2364.80    1.395   126.91
2365.80    1.390   126.71
2366.80    1.386   126.50
2367.80    1.382   126.30
2368.80    1.378   126.10
2369.80    1.373   125.89
2370.80    1.369   125.69
2371.80    1.364   125.48
2372.80    1.360   125.27
2373.80    1.355   125.06
2374.80    1.351   124.85
2375.80    1.346   124.63






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 16:25:51



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