Double Star Calculator - Orbit

Orbital Elements for STT349
WDS: STT349 WDS ID/Discoverer
P: 433.000 Orbital period (years)
a: 0.635 Semi-major axis (arcseconds)
i: 67.5 Inclination (degrees)
Ω: 98.0 Longitude of ascending node (degrees)
T: 1912.000 Epoch of periastron passage (year)
e: 0.87 Eccentricity
ω: 128.0 Longitude of periastron (degrees)
Start-Year: 1808.5 Year
End-Year: 2241.5 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STT349
Position: 175259.03+835427.2 Epoch-2000 right ascension and declination
WDS-ID: 17530+8354 WDS designation
Discoverer Code: STT349 Discover designation and components
ADS number: 11006 Aitken Double Star catalog
HD number: 167101 HD catalog number
Hipparcos number: 87534 Hipparcos catalog number
V1: 7.95 Magnitude of the primary
V2: 8.89 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 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: Hei1995 Reference

Double Star Orbit for STT349



WDS 6th Orbit including measures of STT349

-- 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 STT349
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.546    58.18
--------------------------
1808.50    0.801    82.04
1809.50    0.799    82.14
1810.50    0.797    82.23
1811.50    0.795    82.33
1812.50    0.792    82.43
1813.50    0.790    82.54
1814.50    0.788    82.64
1815.50    0.785    82.74
1816.50    0.783    82.84
1817.50    0.780    82.95
1818.50    0.778    83.05
1819.50    0.775    83.16
1820.50    0.773    83.26
1821.50    0.770    83.37
1822.50    0.767    83.47
1823.50    0.764    83.58
1824.50    0.762    83.69
1825.50    0.759    83.80
1826.50    0.756    83.91
1827.50    0.753    84.02
1828.50    0.750    84.13
1829.50    0.746    84.25
1830.50    0.743    84.36
1831.50    0.740    84.48
1832.50    0.737    84.59
1833.50    0.733    84.71
1834.50    0.730    84.83
1835.50    0.726    84.95
1836.50    0.723    85.07
1837.50    0.719    85.19
1838.50    0.715    85.31
1839.50    0.711    85.44
1840.50    0.707    85.56
1841.50    0.704    85.69
1842.50    0.699    85.82
1843.50    0.695    85.95
1844.50    0.691    86.08
1845.50    0.687    86.21
1846.50    0.683    86.35
1847.50    0.678    86.48
1848.50    0.674    86.62
1849.50    0.669    86.76
1850.50    0.665    86.91
1851.50    0.660    87.05
1852.50    0.655    87.20
1853.50    0.650    87.34
1854.50    0.645    87.50
1855.50    0.640    87.65
1856.50    0.635    87.80
1857.50    0.629    87.96
1858.50    0.624    88.12
1859.50    0.619    88.29
1860.50    0.613    88.45
1861.50    0.607    88.62
1862.50    0.601    88.80
1863.50    0.595    88.97
1864.50    0.589    89.15
1865.50    0.583    89.34
1866.50    0.577    89.53
1867.50    0.570    89.72
1868.50    0.564    89.92
1869.50    0.557    90.12
1870.50    0.550    90.32
1871.50    0.543    90.54
1872.50    0.536    90.75
1873.50    0.529    90.98
1874.50    0.521    91.21
1875.50    0.514    91.44
1876.50    0.506    91.68
1877.50    0.498    91.94
1878.50    0.490    92.20
1879.50    0.481    92.46
1880.50    0.473    92.74
1881.50    0.464    93.03
1882.50    0.455    93.33
1883.50    0.446    93.64
1884.50    0.436    93.97
1885.50    0.426    94.31
1886.50    0.416    94.67
1887.50    0.406    95.04
1888.50    0.395    95.43
1889.50    0.384    95.85
1890.50    0.373    96.29
1891.50    0.361    96.76
1892.50    0.349    97.26
1893.50    0.337    97.80
1894.50    0.324    98.38
1895.50    0.311    99.01
1896.50    0.297    99.69
1897.50    0.282   100.45
1898.50    0.267   101.28
1899.50    0.252   102.22
1900.50    0.235   103.29
1901.50    0.218   104.52
1902.50    0.200   105.98
1903.50    0.181   107.73
1904.50    0.160   109.91
1905.50    0.139   112.75
1906.50    0.116   116.66
1907.50    0.092   122.56
1908.50    0.068   132.70
1909.50    0.045   153.61
1910.50    0.035   197.46
1911.50    0.046   239.83
1912.50    0.067   260.22
1913.50    0.086   271.06
1914.50    0.101   278.26
1915.50    0.112   283.83
1916.50    0.119   288.54
1917.50    0.125   292.77
1918.50    0.129   296.69
1919.50    0.132   300.41
1920.50    0.134   303.99
1921.50    0.136   307.47
1922.50    0.137   310.87
1923.50    0.138   314.20
1924.50    0.140   317.48
1925.50    0.141   320.70
1926.50    0.142   323.87
1927.50    0.143   326.98
1928.50    0.145   330.03
1929.50    0.146   333.03
1930.50    0.148   335.95
1931.50    0.150   338.80
1932.50    0.152   341.58
1933.50    0.154   344.28
1934.50    0.157   346.90
1935.50    0.159   349.44
1936.50    0.162   351.90
1937.50    0.165   354.27
1938.50    0.168   356.55
1939.50    0.171   358.75
1940.50    0.174     0.87
1941.50    0.178     2.91
1942.50    0.182     4.87
1943.50    0.185     6.75
1944.50    0.189     8.55
1945.50    0.193    10.29
1946.50    0.197    11.95
1947.50    0.201    13.55
1948.50    0.205    15.08
1949.50    0.209    16.55
1950.50    0.214    17.97
1951.50    0.218    19.33
1952.50    0.222    20.63
1953.50    0.227    21.88
1954.50    0.231    23.09
1955.50    0.236    24.25
1956.50    0.240    25.36
1957.50    0.245    26.44
1958.50    0.250    27.47
1959.50    0.254    28.47
1960.50    0.259    29.43
1961.50    0.263    30.36
1962.50    0.268    31.25
1963.50    0.273    32.12
1964.50    0.278    32.95
1965.50    0.282    33.76
1966.50    0.287    34.54
1967.50    0.292    35.30
1968.50    0.296    36.03
1969.50    0.301    36.74
1970.50    0.306    37.43
1971.50    0.310    38.09
1972.50    0.315    38.74
1973.50    0.320    39.37
1974.50    0.325    39.98
1975.50    0.329    40.57
1976.50    0.334    41.14
1977.50    0.339    41.70
1978.50    0.343    42.25
1979.50    0.348    42.78
1980.50    0.352    43.30
1981.50    0.357    43.80
1982.50    0.362    44.29
1983.50    0.366    44.77
1984.50    0.371    45.23
1985.50    0.375    45.69
1986.50    0.380    46.13
1987.50    0.384    46.56
1988.50    0.389    46.99
1989.50    0.393    47.40
1990.50    0.398    47.80
1991.50    0.402    48.20
1992.50    0.407    48.58
1993.50    0.411    48.96
1994.50    0.416    49.33
1995.50    0.420    49.69
1996.50    0.424    50.05
1997.50    0.429    50.40
1998.50    0.433    50.74
1999.50    0.437    51.07
2000.50    0.442    51.40
2001.50    0.446    51.72
2002.50    0.450    52.04
2003.50    0.454    52.34
2004.50    0.459    52.65
2005.50    0.463    52.95
2006.50    0.467    53.24
2007.50    0.471    53.53
2008.50    0.475    53.81
2009.50    0.479    54.09
2010.50    0.484    54.36
2011.50    0.488    54.63
2012.50    0.492    54.89
2013.50    0.496    55.15
2014.50    0.500    55.40
2015.50    0.504    55.66
2016.50    0.508    55.90
2017.50    0.512    56.15
2018.50    0.516    56.39
2019.50    0.520    56.62
2020.50    0.523    56.86
2021.50    0.527    57.08
2022.50    0.531    57.31
2023.50    0.535    57.53
2024.50    0.539    57.75
2025.50    0.542    57.97
2026.50    0.546    58.18
2027.50    0.550    58.39
2028.50    0.554    58.60
2029.50    0.557    58.81
2030.50    0.561    59.01
2031.50    0.565    59.21
2032.50    0.568    59.40
2033.50    0.572    59.60
2034.50    0.576    59.79
2035.50    0.579    59.98
2036.50    0.583    60.17
2037.50    0.586    60.35
2038.50    0.590    60.54
2039.50    0.593    60.72
2040.50    0.597    60.90
2041.50    0.600    61.07
2042.50    0.603    61.25
2043.50    0.607    61.42
2044.50    0.610    61.59
2045.50    0.614    61.76
2046.50    0.617    61.93
2047.50    0.620    62.09
2048.50    0.623    62.26
2049.50    0.627    62.42
2050.50    0.630    62.58
2051.50    0.633    62.74
2052.50    0.636    62.89
2053.50    0.640    63.05
2054.50    0.643    63.20
2055.50    0.646    63.36
2056.50    0.649    63.51
2057.50    0.652    63.66
2058.50    0.655    63.80
2059.50    0.658    63.95
2060.50    0.661    64.10
2061.50    0.664    64.24
2062.50    0.667    64.38
2063.50    0.670    64.53
2064.50    0.673    64.67
2065.50    0.676    64.80
2066.50    0.679    64.94
2067.50    0.682    65.08
2068.50    0.684    65.21
2069.50    0.687    65.35
2070.50    0.690    65.48
2071.50    0.693    65.61
2072.50    0.696    65.75
2073.50    0.698    65.88
2074.50    0.701    66.01
2075.50    0.704    66.13
2076.50    0.706    66.26
2077.50    0.709    66.39
2078.50    0.712    66.51
2079.50    0.714    66.64
2080.50    0.717    66.76
2081.50    0.719    66.88
2082.50    0.722    67.00
2083.50    0.724    67.13
2084.50    0.727    67.25
2085.50    0.729    67.36
2086.50    0.732    67.48
2087.50    0.734    67.60
2088.50    0.737    67.72
2089.50    0.739    67.83
2090.50    0.741    67.95
2091.50    0.744    68.06
2092.50    0.746    68.18
2093.50    0.748    68.29
2094.50    0.751    68.40
2095.50    0.753    68.52
2096.50    0.755    68.63
2097.50    0.757    68.74
2098.50    0.759    68.85
2099.50    0.762    68.96
2100.50    0.764    69.07
2101.50    0.766    69.17
2102.50    0.768    69.28
2103.50    0.770    69.39
2104.50    0.772    69.50
2105.50    0.774    69.60
2106.50    0.776    69.71
2107.50    0.778    69.81
2108.50    0.780    69.92
2109.50    0.782    70.02
2110.50    0.784    70.12
2111.50    0.786    70.22
2112.50    0.788    70.33
2113.50    0.789    70.43
2114.50    0.791    70.53
2115.50    0.793    70.63
2116.50    0.795    70.73
2117.50    0.796    70.83
2118.50    0.798    70.93
2119.50    0.800    71.03
2120.50    0.802    71.13
2121.50    0.803    71.23
2122.50    0.805    71.32
2123.50    0.806    71.42
2124.50    0.808    71.52
2125.50    0.810    71.62
2126.50    0.811    71.71
2127.50    0.813    71.81
2128.50    0.814    71.90
2129.50    0.816    72.00
2130.50    0.817    72.09
2131.50    0.818    72.19
2132.50    0.820    72.28
2133.50    0.821    72.38
2134.50    0.822    72.47
2135.50    0.824    72.56
2136.50    0.825    72.66
2137.50    0.826    72.75
2138.50    0.828    72.84
2139.50    0.829    72.93
2140.50    0.830    73.03
2141.50    0.831    73.12
2142.50    0.832    73.21
2143.50    0.833    73.30
2144.50    0.834    73.39
2145.50    0.835    73.48
2146.50    0.837    73.57
2147.50    0.838    73.66
2148.50    0.839    73.75
2149.50    0.839    73.84
2150.50    0.840    73.93
2151.50    0.841    74.02
2152.50    0.842    74.11
2153.50    0.843    74.20
2154.50    0.844    74.29
2155.50    0.845    74.38
2156.50    0.846    74.47
2157.50    0.846    74.56
2158.50    0.847    74.64
2159.50    0.848    74.73
2160.50    0.848    74.82
2161.50    0.849    74.91
2162.50    0.850    75.00
2163.50    0.850    75.08
2164.50    0.851    75.17
2165.50    0.851    75.26
2166.50    0.852    75.34
2167.50    0.852    75.43
2168.50    0.853    75.52
2169.50    0.853    75.61
2170.50    0.854    75.69
2171.50    0.854    75.78
2172.50    0.854    75.87
2173.50    0.855    75.95
2174.50    0.855    76.04
2175.50    0.855    76.13
2176.50    0.856    76.21
2177.50    0.856    76.30
2178.50    0.856    76.38
2179.50    0.856    76.47
2180.50    0.856    76.56
2181.50    0.856    76.64
2182.50    0.856    76.73
2183.50    0.856    76.82
2184.50    0.856    76.90
2185.50    0.856    76.99
2186.50    0.856    77.08
2187.50    0.856    77.16
2188.50    0.856    77.25
2189.50    0.856    77.33
2190.50    0.856    77.42
2191.50    0.856    77.51
2192.50    0.855    77.59
2193.50    0.855    77.68
2194.50    0.855    77.77
2195.50    0.854    77.85
2196.50    0.854    77.94
2197.50    0.854    78.03
2198.50    0.853    78.11
2199.50    0.853    78.20
2200.50    0.852    78.29
2201.50    0.852    78.37
2202.50    0.851    78.46
2203.50    0.851    78.55
2204.50    0.850    78.64
2205.50    0.849    78.72
2206.50    0.849    78.81
2207.50    0.848    78.90
2208.50    0.847    78.99
2209.50    0.846    79.08
2210.50    0.846    79.16
2211.50    0.845    79.25
2212.50    0.844    79.34
2213.50    0.843    79.43
2214.50    0.842    79.52
2215.50    0.841    79.61
2216.50    0.840    79.70
2217.50    0.839    79.79
2218.50    0.838    79.88
2219.50    0.837    79.97
2220.50    0.835    80.06
2221.50    0.834    80.15
2222.50    0.833    80.24
2223.50    0.832    80.33
2224.50    0.830    80.42
2225.50    0.829    80.52
2226.50    0.827    80.61
2227.50    0.826    80.70
2228.50    0.824    80.79
2229.50    0.823    80.89
2230.50    0.821    80.98
2231.50    0.820    81.07
2232.50    0.818    81.17
2233.50    0.816    81.26
2234.50    0.815    81.36
2235.50    0.813    81.45
2236.50    0.811    81.55
2237.50    0.809    81.65
2238.50    0.807    81.74
2239.50    0.805    81.84
2240.50    0.803    81.94






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 17:44:00



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