Double Star Calculator - Orbit

Orbital Elements for STF1110AB
WDS: STF1110AB WDS ID/Discoverer
P: 459.100 Orbital period (years)
a: 6.722 Semi-major axis (arcseconds)
i: 115.107 Inclination (degrees)
Ω: 41.304 Longitude of ascending node (degrees)
T: 1959.590 Epoch of periastron passage (year)
e: 0.3382 Eccentricity
ω: 251.84 Longitude of periastron (degrees)
Start-Year: 1795.45 Year
End-Year: 2254.55 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STF1110AB
Position: 073435.86+315317.8 Epoch-2000 right ascension and declination
WDS-ID: 07346+3153 WDS designation
Discoverer Code: STF1110AB Discover designation and components
ADS number: 6175 Aitken Double Star catalog
HD number: 60178 HD catalog number
Hipparcos number: 36850 Hipparcos catalog number
V1: 1.93 Magnitude of the primary
V2: 2.97 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2021 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: CIA2022d Reference

Double Star Orbit for STF1110AB



WDS 6th Orbit including measures of STF1110AB

-- 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 STF1110AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    5.745    48.97
--------------------------
1795.45    3.834   289.02
1796.45    3.849   288.06
1797.45    3.864   287.11
1798.45    3.879   286.16
1799.45    3.896   285.23
1800.45    3.913   284.30
1801.45    3.931   283.38
1802.45    3.949   282.47
1803.45    3.968   281.57
1804.45    3.987   280.67
1805.45    4.008   279.79
1806.45    4.028   278.91
1807.45    4.049   278.04
1808.45    4.071   277.18
1809.45    4.093   276.34
1810.45    4.116   275.50
1811.45    4.139   274.67
1812.45    4.163   273.84
1813.45    4.187   273.03
1814.45    4.211   272.23
1815.45    4.236   271.44
1816.45    4.261   270.65
1817.45    4.287   269.88
1818.45    4.312   269.11
1819.45    4.338   268.36
1820.45    4.365   267.61
1821.45    4.391   266.87
1822.45    4.418   266.14
1823.45    4.445   265.42
1824.45    4.472   264.71
1825.45    4.500   264.01
1826.45    4.527   263.31
1827.45    4.555   262.63
1828.45    4.583   261.95
1829.45    4.611   261.28
1830.45    4.639   260.62
1831.45    4.667   259.96
1832.45    4.695   259.32
1833.45    4.723   258.68
1834.45    4.751   258.05
1835.45    4.779   257.43
1836.45    4.807   256.81
1837.45    4.835   256.20
1838.45    4.863   255.60
1839.45    4.890   255.00
1840.45    4.918   254.42
1841.45    4.945   253.83
1842.45    4.973   253.26
1843.45    5.000   252.69
1844.45    5.027   252.13
1845.45    5.054   251.57
1846.45    5.080   251.02
1847.45    5.107   250.47
1848.45    5.133   249.93
1849.45    5.158   249.40
1850.45    5.184   248.87
1851.45    5.209   248.35
1852.45    5.234   247.83
1853.45    5.258   247.31
1854.45    5.282   246.80
1855.45    5.306   246.30
1856.45    5.329   245.80
1857.45    5.352   245.30
1858.45    5.374   244.81
1859.45    5.396   244.32
1860.45    5.417   243.84
1861.45    5.438   243.36
1862.45    5.458   242.88
1863.45    5.478   242.41
1864.45    5.497   241.94
1865.45    5.516   241.47
1866.45    5.533   241.01
1867.45    5.551   240.55
1868.45    5.567   240.09
1869.45    5.583   239.63
1870.45    5.599   239.18
1871.45    5.613   238.73
1872.45    5.627   238.28
1873.45    5.640   237.84
1874.45    5.652   237.39
1875.45    5.664   236.95
1876.45    5.675   236.51
1877.45    5.684   236.07
1878.45    5.693   235.64
1879.45    5.702   235.20
1880.45    5.709   234.77
1881.45    5.715   234.33
1882.45    5.720   233.90
1883.45    5.725   233.47
1884.45    5.728   233.04
1885.45    5.730   232.61
1886.45    5.732   232.17
1887.45    5.732   231.74
1888.45    5.731   231.31
1889.45    5.729   230.88
1890.45    5.726   230.45
1891.45    5.722   230.02
1892.45    5.717   229.59
1893.45    5.710   229.15
1894.45    5.702   228.72
1895.45    5.693   228.28
1896.45    5.683   227.85
1897.45    5.671   227.41
1898.45    5.658   226.97
1899.45    5.644   226.52
1900.45    5.629   226.08
1901.45    5.612   225.63
1902.45    5.593   225.18
1903.45    5.574   224.73
1904.45    5.552   224.27
1905.45    5.530   223.81
1906.45    5.506   223.34
1907.45    5.480   222.87
1908.45    5.453   222.40
1909.45    5.424   221.92
1910.45    5.394   221.44
1911.45    5.362   220.95
1912.45    5.329   220.45
1913.45    5.294   219.95
1914.45    5.257   219.44
1915.45    5.219   218.93
1916.45    5.179   218.41
1917.45    5.138   217.87
1918.45    5.095   217.33
1919.45    5.050   216.78
1920.45    5.004   216.22
1921.45    4.956   215.65
1922.45    4.906   215.07
1923.45    4.854   214.48
1924.45    4.801   213.87
1925.45    4.746   213.25
1926.45    4.690   212.61
1927.45    4.632   211.96
1928.45    4.572   211.29
1929.45    4.511   210.61
1930.45    4.448   209.90
1931.45    4.384   209.18
1932.45    4.318   208.43
1933.45    4.250   207.66
1934.45    4.181   206.86
1935.45    4.111   206.04
1936.45    4.039   205.19
1937.45    3.966   204.31
1938.45    3.892   203.39
1939.45    3.817   202.44
1940.45    3.741   201.45
1941.45    3.663   200.41
1942.45    3.585   199.34
1943.45    3.506   198.21
1944.45    3.426   197.03
1945.45    3.346   195.80
1946.45    3.265   194.50
1947.45    3.184   193.14
1948.45    3.103   191.71
1949.45    3.022   190.20
1950.45    2.941   188.61
1951.45    2.861   186.93
1952.45    2.782   185.15
1953.45    2.704   183.27
1954.45    2.627   181.28
1955.45    2.552   179.17
1956.45    2.479   176.93
1957.45    2.408   174.56
1958.45    2.340   172.05
1959.45    2.276   169.39
1960.45    2.215   166.59
1961.45    2.158   163.62
1962.45    2.106   160.51
1963.45    2.059   157.25
1964.45    2.018   153.84
1965.45    1.983   150.30
1966.45    1.954   146.65
1967.45    1.933   142.90
1968.45    1.918   139.08
1969.45    1.911   135.22
1970.45    1.912   131.34
1971.45    1.920   127.49
1972.45    1.935   123.67
1973.45    1.958   119.94
1974.45    1.987   116.30
1975.45    2.024   112.78
1976.45    2.066   109.39
1977.45    2.114   106.15
1978.45    2.167   103.06
1979.45    2.225   100.13
1980.45    2.288    97.35
1981.45    2.354    94.72
1982.45    2.423    92.24
1983.45    2.495    89.90
1984.45    2.570    87.69
1985.45    2.647    85.61
1986.45    2.726    83.65
1987.45    2.807    81.80
1988.45    2.889    80.06
1989.45    2.972    78.41
1990.45    3.056    76.85
1991.45    3.140    75.38
1992.45    3.225    73.98
1993.45    3.310    72.66
1994.45    3.396    71.40
1995.45    3.481    70.20
1996.45    3.566    69.06
1997.45    3.651    67.97
1998.45    3.736    66.94
1999.45    3.820    65.95
2000.45    3.903    65.00
2001.45    3.986    64.09
2002.45    4.069    63.22
2003.45    4.150    62.38
2004.45    4.231    61.57
2005.45    4.311    60.80
2006.45    4.390    60.05
2007.45    4.468    59.33
2008.45    4.545    58.63
2009.45    4.621    57.96
2010.45    4.696    57.30
2011.45    4.770    56.67
2012.45    4.843    56.06
2013.45    4.915    55.47
2014.45    4.986    54.89
2015.45    5.055    54.33
2016.45    5.124    53.78
2017.45    5.191    53.25
2018.45    5.257    52.73
2019.45    5.322    52.23
2020.45    5.385    51.73
2021.45    5.448    51.25
2022.45    5.509    50.78
2023.45    5.569    50.32
2024.45    5.628    49.87
2025.45    5.686    49.42
2026.45    5.742    48.99
2027.45    5.797    48.57
2028.45    5.851    48.15
2029.45    5.904    47.74
2030.45    5.955    47.34
2031.45    6.006    46.94
2032.45    6.055    46.55
2033.45    6.103    46.17
2034.45    6.150    45.79
2035.45    6.195    45.42
2036.45    6.240    45.05
2037.45    6.283    44.69
2038.45    6.325    44.34
2039.45    6.366    43.99
2040.45    6.406    43.64
2041.45    6.445    43.30
2042.45    6.482    42.96
2043.45    6.519    42.62
2044.45    6.554    42.29
2045.45    6.588    41.96
2046.45    6.621    41.64
2047.45    6.653    41.32
2048.45    6.684    41.00
2049.45    6.714    40.69
2050.45    6.743    40.37
2051.45    6.770    40.06
2052.45    6.797    39.76
2053.45    6.823    39.45
2054.45    6.847    39.15
2055.45    6.871    38.85
2056.45    6.894    38.55
2057.45    6.915    38.25
2058.45    6.936    37.96
2059.45    6.956    37.66
2060.45    6.975    37.37
2061.45    6.992    37.08
2062.45    7.009    36.79
2063.45    7.025    36.51
2064.45    7.040    36.22
2065.45    7.054    35.93
2066.45    7.067    35.65
2067.45    7.079    35.37
2068.45    7.091    35.09
2069.45    7.101    34.81
2070.45    7.111    34.53
2071.45    7.120    34.25
2072.45    7.128    33.97
2073.45    7.135    33.69
2074.45    7.141    33.41
2075.45    7.147    33.13
2076.45    7.151    32.86
2077.45    7.155    32.58
2078.45    7.158    32.30
2079.45    7.160    32.03
2080.45    7.162    31.75
2081.45    7.163    31.48
2082.45    7.163    31.20
2083.45    7.162    30.93
2084.45    7.160    30.65
2085.45    7.158    30.37
2086.45    7.155    30.10
2087.45    7.151    29.82
2088.45    7.147    29.54
2089.45    7.142    29.27
2090.45    7.136    28.99
2091.45    7.130    28.71
2092.45    7.123    28.43
2093.45    7.115    28.15
2094.45    7.107    27.87
2095.45    7.098    27.59
2096.45    7.088    27.31
2097.45    7.078    27.03
2098.45    7.067    26.75
2099.45    7.055    26.46
2100.45    7.043    26.18
2101.45    7.031    25.89
2102.45    7.017    25.61
2103.45    7.004    25.32
2104.45    6.989    25.03
2105.45    6.974    24.74
2106.45    6.959    24.45
2107.45    6.943    24.15
2108.45    6.926    23.86
2109.45    6.909    23.56
2110.45    6.891    23.27
2111.45    6.873    22.97
2112.45    6.855    22.67
2113.45    6.835    22.37
2114.45    6.816    22.06
2115.45    6.796    21.76
2116.45    6.775    21.45
2117.45    6.754    21.14
2118.45    6.733    20.83
2119.45    6.711    20.52
2120.45    6.688    20.20
2121.45    6.665    19.88
2122.45    6.642    19.56
2123.45    6.619    19.24
2124.45    6.595    18.92
2125.45    6.570    18.59
2126.45    6.545    18.26
2127.45    6.520    17.93
2128.45    6.495    17.60
2129.45    6.469    17.26
2130.45    6.442    16.92
2131.45    6.416    16.58
2132.45    6.389    16.23
2133.45    6.361    15.89
2134.45    6.334    15.53
2135.45    6.306    15.18
2136.45    6.277    14.82
2137.45    6.249    14.46
2138.45    6.220    14.10
2139.45    6.191    13.73
2140.45    6.161    13.36
2141.45    6.131    12.98
2142.45    6.101    12.61
2143.45    6.071    12.22
2144.45    6.041    11.84
2145.45    6.010    11.45
2146.45    5.979    11.06
2147.45    5.948    10.66
2148.45    5.917    10.26
2149.45    5.885     9.85
2150.45    5.853     9.44
2151.45    5.821     9.02
2152.45    5.789     8.60
2153.45    5.757     8.18
2154.45    5.724     7.75
2155.45    5.692     7.32
2156.45    5.659     6.88
2157.45    5.626     6.43
2158.45    5.593     5.98
2159.45    5.560     5.53
2160.45    5.527     5.07
2161.45    5.494     4.60
2162.45    5.461     4.13
2163.45    5.427     3.65
2164.45    5.394     3.17
2165.45    5.360     2.68
2166.45    5.327     2.18
2167.45    5.293     1.68
2168.45    5.260     1.17
2169.45    5.226     0.66
2170.45    5.193     0.14
2171.45    5.159   359.61
2172.45    5.126   359.07
2173.45    5.092   358.53
2174.45    5.059   357.98
2175.45    5.026   357.43
2176.45    4.992   356.86
2177.45    4.959   356.29
2178.45    4.926   355.71
2179.45    4.893   355.13
2180.45    4.861   354.53
2181.45    4.828   353.93
2182.45    4.796   353.32
2183.45    4.763   352.70
2184.45    4.731   352.07
2185.45    4.700   351.43
2186.45    4.668   350.79
2187.45    4.637   350.13
2188.45    4.605   349.47
2189.45    4.574   348.80
2190.45    4.544   348.12
2191.45    4.514   347.43
2192.45    4.484   346.73
2193.45    4.454   346.02
2194.45    4.425   345.30
2195.45    4.396   344.58
2196.45    4.367   343.84
2197.45    4.339   343.09
2198.45    4.311   342.34
2199.45    4.284   341.57
2200.45    4.257   340.79
2201.45    4.230   340.01
2202.45    4.204   339.21
2203.45    4.179   338.41
2204.45    4.154   337.59
2205.45    4.129   336.77
2206.45    4.105   335.93
2207.45    4.082   335.09
2208.45    4.059   334.23
2209.45    4.037   333.37
2210.45    4.015   332.50
2211.45    3.994   331.62
2212.45    3.974   330.72
2213.45    3.954   329.82
2214.45    3.935   328.92
2215.45    3.917   328.00
2216.45    3.899   327.07
2217.45    3.882   326.14
2218.45    3.866   325.19
2219.45    3.850   324.24
2220.45    3.836   323.28
2221.45    3.822   322.32
2222.45    3.809   321.35
2223.45    3.796   320.37
2224.45    3.785   319.38
2225.45    3.774   318.39
2226.45    3.764   317.40
2227.45    3.755   316.40
2228.45    3.747   315.39
2229.45    3.739   314.38
2230.45    3.733   313.37
2231.45    3.727   312.35
2232.45    3.722   311.33
2233.45    3.718   310.31
2234.45    3.715   309.28
2235.45    3.713   308.26
2236.45    3.712   307.23
2237.45    3.711   306.20
2238.45    3.712   305.18
2239.45    3.713   304.15
2240.45    3.715   303.12
2241.45    3.718   302.10
2242.45    3.722   301.08
2243.45    3.727   300.06
2244.45    3.732   299.04
2245.45    3.739   298.03
2246.45    3.746   297.02
2247.45    3.754   296.01
2248.45    3.763   295.01
2249.45    3.773   294.01
2250.45    3.783   293.02
2251.45    3.794   292.03
2252.45    3.806   291.06
2253.45    3.819   290.08
2254.45    3.833   289.12






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 15:58:49



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