Double Star Calculator - Orbit

Orbital Elements for STF1146
WDS: STF1146 WDS ID/Discoverer
P: 565.750 Orbital period (years)
a: 2.45363 Semi-major axis (arcseconds)
i: 111.332 Inclination (degrees)
Ω: 24.101 Longitude of ascending node (degrees)
T: 2091.772 Epoch of periastron passage (year)
e: 0.56151 Eccentricity
ω: 185.911 Longitude of periastron (degrees)
Start-Year: 1742.12475 Year
End-Year: 2307.87525 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STF1146
Position: 074756.71-121133.8 Epoch-2000 right ascension and declination
WDS-ID: 07479-1212 WDS designation
Discoverer Code: STF1146 Discover designation and components
ADS number: 6381 Aitken Double Star catalog
HD number: 63336 HD catalog number
Hipparcos number: 38048 Hipparcos catalog number
V1: 5.73 Magnitude of the primary
V2: 7.32 Magnitude of the secondary
Equinox: Equinox
Date: 2015 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: Izm2019 Reference

Double Star Orbit for STF1146



WDS 6th Orbit including measures of STF1146

-- 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 STF1146
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.838   324.48
--------------------------
1742.12    3.636    27.37
1743.12    3.643    27.28
1744.12    3.649    27.19
1745.12    3.656    27.11
1746.12    3.662    27.02
1747.12    3.668    26.93
1748.12    3.674    26.85
1749.12    3.680    26.76
1750.12    3.686    26.68
1751.12    3.692    26.59
1752.12    3.697    26.51
1753.12    3.702    26.43
1754.12    3.708    26.34
1755.12    3.713    26.26
1756.12    3.718    26.17
1757.12    3.723    26.09
1758.12    3.728    26.01
1759.12    3.732    25.92
1760.12    3.737    25.84
1761.12    3.741    25.76
1762.12    3.746    25.68
1763.12    3.750    25.60
1764.12    3.754    25.51
1765.12    3.758    25.43
1766.12    3.762    25.35
1767.12    3.765    25.27
1768.12    3.769    25.19
1769.12    3.772    25.11
1770.12    3.776    25.03
1771.12    3.779    24.94
1772.12    3.782    24.86
1773.12    3.785    24.78
1774.12    3.788    24.70
1775.12    3.791    24.62
1776.12    3.793    24.54
1777.12    3.796    24.46
1778.12    3.798    24.38
1779.12    3.800    24.30
1780.12    3.802    24.22
1781.12    3.804    24.14
1782.12    3.806    24.06
1783.12    3.808    23.98
1784.12    3.810    23.90
1785.12    3.811    23.82
1786.12    3.813    23.75
1787.12    3.814    23.67
1788.12    3.815    23.59
1789.12    3.816    23.51
1790.12    3.817    23.43
1791.12    3.818    23.35
1792.12    3.819    23.27
1793.12    3.820    23.19
1794.12    3.820    23.11
1795.12    3.820    23.03
1796.12    3.821    22.95
1797.12    3.821    22.88
1798.12    3.821    22.80
1799.12    3.821    22.72
1800.12    3.821    22.64
1801.12    3.820    22.56
1802.12    3.820    22.48
1803.12    3.819    22.40
1804.12    3.819    22.32
1805.12    3.818    22.24
1806.12    3.817    22.16
1807.12    3.816    22.08
1808.12    3.815    22.01
1809.12    3.813    21.93
1810.12    3.812    21.85
1811.12    3.811    21.77
1812.12    3.809    21.69
1813.12    3.807    21.61
1814.12    3.805    21.53
1815.12    3.803    21.45
1816.12    3.801    21.37
1817.12    3.799    21.29
1818.12    3.797    21.21
1819.12    3.794    21.13
1820.12    3.792    21.05
1821.12    3.789    20.97
1822.12    3.786    20.89
1823.12    3.784    20.81
1824.12    3.781    20.73
1825.12    3.777    20.65
1826.12    3.774    20.57
1827.12    3.771    20.48
1828.12    3.767    20.40
1829.12    3.764    20.32
1830.12    3.760    20.24
1831.12    3.756    20.16
1832.12    3.752    20.08
1833.12    3.748    20.00
1834.12    3.744    19.91
1835.12    3.740    19.83
1836.12    3.736    19.75
1837.12    3.731    19.67
1838.12    3.726    19.58
1839.12    3.722    19.50
1840.12    3.717    19.42
1841.12    3.712    19.33
1842.12    3.707    19.25
1843.12    3.702    19.16
1844.12    3.696    19.08
1845.12    3.691    19.00
1846.12    3.685    18.91
1847.12    3.680    18.83
1848.12    3.674    18.74
1849.12    3.668    18.66
1850.12    3.662    18.57
1851.12    3.656    18.48
1852.12    3.650    18.40
1853.12    3.643    18.31
1854.12    3.637    18.22
1855.12    3.630    18.14
1856.12    3.624    18.05
1857.12    3.617    17.96
1858.12    3.610    17.87
1859.12    3.603    17.78
1860.12    3.596    17.69
1861.12    3.588    17.61
1862.12    3.581    17.52
1863.12    3.573    17.43
1864.12    3.566    17.33
1865.12    3.558    17.24
1866.12    3.550    17.15
1867.12    3.542    17.06
1868.12    3.534    16.97
1869.12    3.526    16.88
1870.12    3.517    16.78
1871.12    3.509    16.69
1872.12    3.500    16.60
1873.12    3.492    16.50
1874.12    3.483    16.41
1875.12    3.474    16.31
1876.12    3.465    16.22
1877.12    3.456    16.12
1878.12    3.447    16.02
1879.12    3.437    15.93
1880.12    3.428    15.83
1881.12    3.418    15.73
1882.12    3.408    15.63
1883.12    3.398    15.53
1884.12    3.388    15.43
1885.12    3.378    15.33
1886.12    3.368    15.23
1887.12    3.358    15.13
1888.12    3.347    15.02
1889.12    3.337    14.92
1890.12    3.326    14.82
1891.12    3.315    14.71
1892.12    3.304    14.61
1893.12    3.293    14.50
1894.12    3.282    14.39
1895.12    3.271    14.29
1896.12    3.259    14.18
1897.12    3.248    14.07
1898.12    3.236    13.96
1899.12    3.224    13.85
1900.12    3.212    13.74
1901.12    3.200    13.63
1902.12    3.188    13.51
1903.12    3.176    13.40
1904.12    3.164    13.28
1905.12    3.151    13.17
1906.12    3.138    13.05
1907.12    3.126    12.93
1908.12    3.113    12.82
1909.12    3.100    12.70
1910.12    3.087    12.58
1911.12    3.074    12.45
1912.12    3.060    12.33
1913.12    3.047    12.21
1914.12    3.033    12.08
1915.12    3.019    11.96
1916.12    3.006    11.83
1917.12    2.992    11.70
1918.12    2.978    11.57
1919.12    2.963    11.44
1920.12    2.949    11.31
1921.12    2.935    11.18
1922.12    2.920    11.04
1923.12    2.905    10.91
1924.12    2.891    10.77
1925.12    2.876    10.63
1926.12    2.861    10.49
1927.12    2.845    10.35
1928.12    2.830    10.20
1929.12    2.815    10.06
1930.12    2.799     9.91
1931.12    2.784     9.77
1932.12    2.768     9.62
1933.12    2.752     9.46
1934.12    2.736     9.31
1935.12    2.720     9.16
1936.12    2.703     9.00
1937.12    2.687     8.84
1938.12    2.670     8.68
1939.12    2.654     8.52
1940.12    2.637     8.35
1941.12    2.620     8.19
1942.12    2.603     8.02
1943.12    2.586     7.85
1944.12    2.569     7.67
1945.12    2.551     7.50
1946.12    2.534     7.32
1947.12    2.516     7.14
1948.12    2.498     6.95
1949.12    2.481     6.77
1950.12    2.463     6.58
1951.12    2.444     6.39
1952.12    2.426     6.19
1953.12    2.408     6.00
1954.12    2.389     5.79
1955.12    2.371     5.59
1956.12    2.352     5.38
1957.12    2.333     5.17
1958.12    2.314     4.96
1959.12    2.295     4.74
1960.12    2.276     4.52
1961.12    2.257     4.30
1962.12    2.237     4.07
1963.12    2.218     3.84
1964.12    2.198     3.60
1965.12    2.178     3.36
1966.12    2.158     3.11
1967.12    2.138     2.86
1968.12    2.118     2.61
1969.12    2.098     2.35
1970.12    2.077     2.09
1971.12    2.057     1.82
1972.12    2.036     1.54
1973.12    2.016     1.26
1974.12    1.995     0.97
1975.12    1.974     0.68
1976.12    1.953     0.38
1977.12    1.932     0.08
1978.12    1.910   359.76
1979.12    1.889   359.44
1980.12    1.868   359.12
1981.12    1.846   358.78
1982.12    1.824   358.44
1983.12    1.803   358.09
1984.12    1.781   357.73
1985.12    1.759   357.36
1986.12    1.737   356.98
1987.12    1.715   356.60
1988.12    1.692   356.20
1989.12    1.670   355.79
1990.12    1.648   355.37
1991.12    1.625   354.94
1992.12    1.603   354.50
1993.12    1.580   354.04
1994.12    1.557   353.57
1995.12    1.535   353.09
1996.12    1.512   352.60
1997.12    1.489   352.08
1998.12    1.466   351.55
1999.12    1.443   351.01
2000.12    1.420   350.45
2001.12    1.397   349.87
2002.12    1.374   349.27
2003.12    1.351   348.64
2004.12    1.328   348.00
2005.12    1.305   347.34
2006.12    1.282   346.65
2007.12    1.259   345.93
2008.12    1.236   345.19
2009.12    1.213   344.42
2010.12    1.190   343.62
2011.12    1.167   342.79
2012.12    1.144   341.93
2013.12    1.122   341.03
2014.12    1.099   340.09
2015.12    1.077   339.12
2016.12    1.054   338.10
2017.12    1.032   337.04
2018.12    1.010   335.94
2019.12    0.989   334.78
2020.12    0.967   333.58
2021.12    0.946   332.32
2022.12    0.925   331.00
2023.12    0.904   329.62
2024.12    0.884   328.18
2025.12    0.864   326.67
2026.12    0.845   325.09
2027.12    0.826   323.44
2028.12    0.808   321.71
2029.12    0.790   319.90
2030.12    0.773   318.01
2031.12    0.756   316.04
2032.12    0.741   313.98
2033.12    0.726   311.83
2034.12    0.712   309.60
2035.12    0.699   307.28
2036.12    0.687   304.88
2037.12    0.676   302.40
2038.12    0.666   299.83
2039.12    0.657   297.20
2040.12    0.650   294.49
2041.12    0.643   291.73
2042.12    0.638   288.93
2043.12    0.635   286.08
2044.12    0.633   283.21
2045.12    0.632   280.32
2046.12    0.632   277.43
2047.12    0.634   274.56
2048.12    0.637   271.70
2049.12    0.642   268.88
2050.12    0.648   266.11
2051.12    0.655   263.39
2052.12    0.663   260.73
2053.12    0.672   258.14
2054.12    0.682   255.62
2055.12    0.693   253.18
2056.12    0.705   250.82
2057.12    0.718   248.54
2058.12    0.731   246.35
2059.12    0.745   244.23
2060.12    0.760   242.19
2061.12    0.775   240.23
2062.12    0.790   238.35
2063.12    0.806   236.54
2064.12    0.822   234.80
2065.12    0.838   233.12
2066.12    0.853   231.51
2067.12    0.869   229.95
2068.12    0.885   228.46
2069.12    0.901   227.01
2070.12    0.916   225.61
2071.12    0.932   224.26
2072.12    0.946   222.96
2073.12    0.961   221.69
2074.12    0.974   220.46
2075.12    0.988   219.26
2076.12    1.000   218.09
2077.12    1.012   216.95
2078.12    1.023   215.84
2079.12    1.033   214.75
2080.12    1.043   213.68
2081.12    1.051   212.63
2082.12    1.058   211.59
2083.12    1.065   210.57
2084.12    1.070   209.55
2085.12    1.074   208.55
2086.12    1.077   207.56
2087.12    1.079   206.56
2088.12    1.079   205.57
2089.12    1.079   204.58
2090.12    1.077   203.59
2091.12    1.074   202.59
2092.12    1.069   201.59
2093.12    1.064   200.57
2094.12    1.057   199.55
2095.12    1.049   198.51
2096.12    1.039   197.45
2097.12    1.029   196.37
2098.12    1.018   195.27
2099.12    1.005   194.15
2100.12    0.992   192.99
2101.12    0.977   191.80
2102.12    0.962   190.57
2103.12    0.946   189.31
2104.12    0.930   188.00
2105.12    0.912   186.64
2106.12    0.894   185.22
2107.12    0.876   183.75
2108.12    0.857   182.22
2109.12    0.838   180.61
2110.12    0.819   178.93
2111.12    0.800   177.17
2112.12    0.780   175.32
2113.12    0.761   173.38
2114.12    0.742   171.34
2115.12    0.723   169.19
2116.12    0.705   166.92
2117.12    0.687   164.54
2118.12    0.670   162.04
2119.12    0.654   159.41
2120.12    0.639   156.65
2121.12    0.625   153.76
2122.12    0.612   150.74
2123.12    0.600   147.60
2124.12    0.590   144.34
2125.12    0.582   140.98
2126.12    0.575   137.53
2127.12    0.570   134.01
2128.12    0.567   130.45
2129.12    0.566   126.85
2130.12    0.567   123.25
2131.12    0.569   119.68
2132.12    0.574   116.15
2133.12    0.581   112.69
2134.12    0.589   109.32
2135.12    0.599   106.05
2136.12    0.611   102.89
2137.12    0.624    99.86
2138.12    0.639    96.97
2139.12    0.655    94.21
2140.12    0.672    91.59
2141.12    0.690    89.10
2142.12    0.709    86.74
2143.12    0.729    84.51
2144.12    0.750    82.40
2145.12    0.772    80.41
2146.12    0.794    78.53
2147.12    0.817    76.76
2148.12    0.841    75.08
2149.12    0.865    73.49
2150.12    0.889    71.99
2151.12    0.913    70.57
2152.12    0.938    69.22
2153.12    0.964    67.95
2154.12    0.989    66.74
2155.12    1.014    65.59
2156.12    1.040    64.50
2157.12    1.066    63.46
2158.12    1.092    62.47
2159.12    1.118    61.52
2160.12    1.144    60.62
2161.12    1.170    59.76
2162.12    1.196    58.93
2163.12    1.223    58.15
2164.12    1.249    57.39
2165.12    1.275    56.67
2166.12    1.301    55.97
2167.12    1.327    55.30
2168.12    1.353    54.66
2169.12    1.379    54.04
2170.12    1.405    53.45
2171.12    1.431    52.88
2172.12    1.457    52.32
2173.12    1.482    51.79
2174.12    1.508    51.27
2175.12    1.533    50.77
2176.12    1.558    50.29
2177.12    1.584    49.82
2178.12    1.609    49.37
2179.12    1.634    48.93
2180.12    1.659    48.51
2181.12    1.683    48.09
2182.12    1.708    47.69
2183.12    1.732    47.30
2184.12    1.757    46.92
2185.12    1.781    46.56
2186.12    1.805    46.20
2187.12    1.829    45.85
2188.12    1.853    45.51
2189.12    1.876    45.18
2190.12    1.900    44.85
2191.12    1.923    44.54
2192.12    1.946    44.23
2193.12    1.970    43.93
2194.12    1.992    43.63
2195.12    2.015    43.35
2196.12    2.038    43.07
2197.12    2.060    42.79
2198.12    2.083    42.52
2199.12    2.105    42.26
2200.12    2.127    42.00
2201.12    2.149    41.75
2202.12    2.170    41.50
2203.12    2.192    41.26
2204.12    2.213    41.02
2205.12    2.234    40.79
2206.12    2.255    40.56
2207.12    2.276    40.34
2208.12    2.297    40.11
2209.12    2.318    39.90
2210.12    2.338    39.69
2211.12    2.359    39.48
2212.12    2.379    39.27
2213.12    2.399    39.07
2214.12    2.419    38.87
2215.12    2.438    38.67
2216.12    2.458    38.48
2217.12    2.477    38.29
2218.12    2.496    38.11
2219.12    2.515    37.92
2220.12    2.534    37.74
2221.12    2.553    37.56
2222.12    2.572    37.39
2223.12    2.590    37.21
2224.12    2.608    37.04
2225.12    2.627    36.88
2226.12    2.645    36.71
2227.12    2.662    36.55
2228.12    2.680    36.38
2229.12    2.698    36.22
2230.12    2.715    36.07
2231.12    2.732    35.91
2232.12    2.749    35.76
2233.12    2.766    35.61
2234.12    2.783    35.46
2235.12    2.800    35.31
2236.12    2.816    35.16
2237.12    2.833    35.02
2238.12    2.849    34.88
2239.12    2.865    34.73
2240.12    2.881    34.59
2241.12    2.897    34.46
2242.12    2.912    34.32
2243.12    2.928    34.18
2244.12    2.943    34.05
2245.12    2.958    33.92
2246.12    2.973    33.79
2247.12    2.988    33.66
2248.12    3.003    33.53
2249.12    3.018    33.40
2250.12    3.032    33.28
2251.12    3.046    33.15
2252.12    3.061    33.03
2253.12    3.075    32.90
2254.12    3.088    32.78
2255.12    3.102    32.66
2256.12    3.116    32.54
2257.12    3.129    32.42
2258.12    3.143    32.31
2259.12    3.156    32.19
2260.12    3.169    32.08
2261.12    3.182    31.96
2262.12    3.195    31.85
2263.12    3.207    31.74
2264.12    3.220    31.62
2265.12    3.232    31.51
2266.12    3.244    31.40
2267.12    3.256    31.29
2268.12    3.268    31.19
2269.12    3.280    31.08
2270.12    3.292    30.97
2271.12    3.303    30.87
2272.12    3.315    30.76
2273.12    3.326    30.66
2274.12    3.337    30.55
2275.12    3.348    30.45
2276.12    3.359    30.35
2277.12    3.370    30.24
2278.12    3.380    30.14
2279.12    3.391    30.04
2280.12    3.401    29.94
2281.12    3.411    29.84
2282.12    3.421    29.74
2283.12    3.431    29.65
2284.12    3.441    29.55
2285.12    3.451    29.45
2286.12    3.460    29.35
2287.12    3.470    29.26
2288.12    3.479    29.16
2289.12    3.488    29.07
2290.12    3.497    28.97
2291.12    3.506    28.88
2292.12    3.515    28.79
2293.12    3.524    28.69
2294.12    3.532    28.60
2295.12    3.541    28.51
2296.12    3.549    28.42
2297.12    3.557    28.32
2298.12    3.565    28.23
2299.12    3.573    28.14
2300.12    3.581    28.05
2301.12    3.588    27.96
2302.12    3.596    27.87
2303.12    3.603    27.78
2304.12    3.610    27.70
2305.12    3.617    27.61
2306.12    3.624    27.52
2307.12    3.631    27.43






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 16:01:49



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