Double Star Calculator - Orbit

Orbital Elements for HEI574
WDS: HEI574 WDS ID/Discoverer
P: 400.000 Orbital period (years)
a: 0.472 Semi-major axis (arcseconds)
i: 85.9 Inclination (degrees)
Ω: 150.8 Longitude of ascending node (degrees)
T: 1967.845 Epoch of periastron passage (year)
e: 0.8 Eccentricity
ω: 200.0 Longitude of periastron (degrees)
Start-Year: 1825.0 Year
End-Year: 2225.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HEI574
Position: 193237.25+120237.0 Epoch-2000 right ascension and declination
WDS-ID: 19326+1203 WDS designation
Discoverer Code: HEI574 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 184130 HD catalog number
Hipparcos number: 96120 Hipparcos catalog number
V1: 8.75 Magnitude of the primary
V2: 9.22 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2018 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2023a Reference

Double Star Orbit for HEI574



WDS 6th Orbit including measures of HEI574

-- 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 HEI574
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.514   149.91
--------------------------
1825.00    0.696   153.15
1826.00    0.693   153.17
1827.00    0.690   153.19
1828.00    0.687   153.21
1829.00    0.684   153.23
1830.00    0.681   153.24
1831.00    0.678   153.26
1832.00    0.675   153.28
1833.00    0.672   153.30
1834.00    0.669   153.32
1835.00    0.666   153.34
1836.00    0.663   153.36
1837.00    0.660   153.38
1838.00    0.657   153.40
1839.00    0.653   153.42
1840.00    0.650   153.44
1841.00    0.647   153.46
1842.00    0.643   153.48
1843.00    0.640   153.50
1844.00    0.637   153.52
1845.00    0.633   153.54
1846.00    0.630   153.56
1847.00    0.626   153.59
1848.00    0.623   153.61
1849.00    0.619   153.63
1850.00    0.615   153.65
1851.00    0.612   153.68
1852.00    0.608   153.70
1853.00    0.604   153.72
1854.00    0.600   153.75
1855.00    0.596   153.77
1856.00    0.592   153.80
1857.00    0.589   153.82
1858.00    0.585   153.84
1859.00    0.581   153.87
1860.00    0.577   153.90
1861.00    0.572   153.92
1862.00    0.568   153.95
1863.00    0.564   153.98
1864.00    0.560   154.00
1865.00    0.556   154.03
1866.00    0.551   154.06
1867.00    0.547   154.09
1868.00    0.543   154.12
1869.00    0.538   154.15
1870.00    0.534   154.18
1871.00    0.529   154.21
1872.00    0.525   154.24
1873.00    0.520   154.27
1874.00    0.516   154.30
1875.00    0.511   154.33
1876.00    0.506   154.37
1877.00    0.501   154.40
1878.00    0.497   154.43
1879.00    0.492   154.47
1880.00    0.487   154.51
1881.00    0.482   154.54
1882.00    0.477   154.58
1883.00    0.472   154.62
1884.00    0.467   154.66
1885.00    0.462   154.70
1886.00    0.457   154.74
1887.00    0.452   154.78
1888.00    0.446   154.82
1889.00    0.441   154.87
1890.00    0.436   154.91
1891.00    0.430   154.96
1892.00    0.425   155.00
1893.00    0.419   155.05
1894.00    0.414   155.10
1895.00    0.408   155.15
1896.00    0.403   155.20
1897.00    0.397   155.26
1898.00    0.391   155.31
1899.00    0.385   155.37
1900.00    0.379   155.43
1901.00    0.374   155.49
1902.00    0.368   155.55
1903.00    0.362   155.62
1904.00    0.356   155.68
1905.00    0.349   155.75
1906.00    0.343   155.83
1907.00    0.337   155.90
1908.00    0.331   155.98
1909.00    0.324   156.06
1910.00    0.318   156.14
1911.00    0.312   156.23
1912.00    0.305   156.32
1913.00    0.299   156.41
1914.00    0.292   156.51
1915.00    0.285   156.61
1916.00    0.279   156.72
1917.00    0.272   156.84
1918.00    0.265   156.95
1919.00    0.258   157.08
1920.00    0.251   157.21
1921.00    0.244   157.35
1922.00    0.237   157.50
1923.00    0.230   157.66
1924.00    0.222   157.83
1925.00    0.215   158.01
1926.00    0.208   158.20
1927.00    0.200   158.41
1928.00    0.193   158.63
1929.00    0.185   158.87
1930.00    0.177   159.14
1931.00    0.170   159.42
1932.00    0.162   159.73
1933.00    0.154   160.08
1934.00    0.146   160.46
1935.00    0.138   160.89
1936.00    0.130   161.36
1937.00    0.122   161.91
1938.00    0.114   162.52
1939.00    0.106   163.24
1940.00    0.097   164.08
1941.00    0.089   165.07
1942.00    0.081   166.27
1943.00    0.072   167.74
1944.00    0.064   169.61
1945.00    0.055   172.04
1946.00    0.047   175.33
1947.00    0.039   180.02
1948.00    0.031   187.11
1949.00    0.024   198.62
1950.00    0.019   218.06
1951.00    0.017   246.80
1952.00    0.019   274.76
1953.00    0.025   293.12
1954.00    0.032   304.01
1955.00    0.040   310.79
1956.00    0.048   315.32
1957.00    0.056   318.55
1958.00    0.064   320.97
1959.00    0.071   322.87
1960.00    0.078   324.41
1961.00    0.085   325.70
1962.00    0.091   326.82
1963.00    0.095   327.81
1964.00    0.098   328.73
1965.00    0.099   329.61
1966.00    0.098   330.50
1967.00    0.094   331.42
1968.00    0.088   332.46
1969.00    0.078   333.71
1970.00    0.067   335.35
1971.00    0.054   337.74
1972.00    0.039   341.80
1973.00    0.025   350.59
1974.00    0.012    20.60
1975.00    0.013    99.70
1976.00    0.026   126.97
1977.00    0.041   135.20
1978.00    0.055   139.02
1979.00    0.070   141.23
1980.00    0.085   142.68
1981.00    0.099   143.70
1982.00    0.113   144.48
1983.00    0.126   145.08
1984.00    0.139   145.57
1985.00    0.152   145.97
1986.00    0.165   146.31
1987.00    0.177   146.61
1988.00    0.189   146.86
1989.00    0.201   147.09
1990.00    0.213   147.29
1991.00    0.224   147.47
1992.00    0.235   147.64
1993.00    0.246   147.78
1994.00    0.256   147.92
1995.00    0.267   148.05
1996.00    0.277   148.16
1997.00    0.287   148.27
1998.00    0.297   148.37
1999.00    0.306   148.47
2000.00    0.316   148.56
2001.00    0.325   148.64
2002.00    0.334   148.72
2003.00    0.343   148.79
2004.00    0.352   148.86
2005.00    0.360   148.93
2006.00    0.369   149.00
2007.00    0.377   149.06
2008.00    0.385   149.12
2009.00    0.393   149.18
2010.00    0.401   149.23
2011.00    0.409   149.28
2012.00    0.416   149.33
2013.00    0.424   149.38
2014.00    0.431   149.43
2015.00    0.438   149.47
2016.00    0.445   149.52
2017.00    0.452   149.56
2018.00    0.459   149.60
2019.00    0.466   149.64
2020.00    0.473   149.68
2021.00    0.479   149.72
2022.00    0.486   149.76
2023.00    0.492   149.79
2024.00    0.498   149.83
2025.00    0.505   149.86
2026.00    0.511   149.90
2027.00    0.517   149.93
2028.00    0.523   149.96
2029.00    0.528   149.99
2030.00    0.534   150.02
2031.00    0.540   150.05
2032.00    0.545   150.08
2033.00    0.551   150.11
2034.00    0.556   150.14
2035.00    0.562   150.16
2036.00    0.567   150.19
2037.00    0.572   150.22
2038.00    0.577   150.24
2039.00    0.582   150.27
2040.00    0.587   150.30
2041.00    0.592   150.32
2042.00    0.597   150.34
2043.00    0.601   150.37
2044.00    0.606   150.39
2045.00    0.610   150.42
2046.00    0.615   150.44
2047.00    0.619   150.46
2048.00    0.624   150.48
2049.00    0.628   150.51
2050.00    0.632   150.53
2051.00    0.636   150.55
2052.00    0.641   150.57
2053.00    0.645   150.59
2054.00    0.649   150.61
2055.00    0.653   150.63
2056.00    0.656   150.65
2057.00    0.660   150.67
2058.00    0.664   150.69
2059.00    0.668   150.71
2060.00    0.671   150.73
2061.00    0.675   150.75
2062.00    0.678   150.77
2063.00    0.682   150.79
2064.00    0.685   150.80
2065.00    0.689   150.82
2066.00    0.692   150.84
2067.00    0.695   150.86
2068.00    0.698   150.88
2069.00    0.701   150.89
2070.00    0.704   150.91
2071.00    0.707   150.93
2072.00    0.710   150.95
2073.00    0.713   150.96
2074.00    0.716   150.98
2075.00    0.719   151.00
2076.00    0.722   151.01
2077.00    0.725   151.03
2078.00    0.727   151.04
2079.00    0.730   151.06
2080.00    0.732   151.08
2081.00    0.735   151.09
2082.00    0.737   151.11
2083.00    0.740   151.12
2084.00    0.742   151.14
2085.00    0.745   151.16
2086.00    0.747   151.17
2087.00    0.749   151.19
2088.00    0.751   151.20
2089.00    0.753   151.22
2090.00    0.756   151.23
2091.00    0.758   151.25
2092.00    0.760   151.26
2093.00    0.762   151.28
2094.00    0.763   151.29
2095.00    0.765   151.31
2096.00    0.767   151.32
2097.00    0.769   151.34
2098.00    0.771   151.35
2099.00    0.772   151.37
2100.00    0.774   151.38
2101.00    0.776   151.39
2102.00    0.777   151.41
2103.00    0.779   151.42
2104.00    0.780   151.44
2105.00    0.782   151.45
2106.00    0.783   151.46
2107.00    0.785   151.48
2108.00    0.786   151.49
2109.00    0.787   151.51
2110.00    0.789   151.52
2111.00    0.790   151.53
2112.00    0.791   151.55
2113.00    0.792   151.56
2114.00    0.793   151.58
2115.00    0.794   151.59
2116.00    0.795   151.60
2117.00    0.796   151.62
2118.00    0.797   151.63
2119.00    0.798   151.64
2120.00    0.799   151.66
2121.00    0.800   151.67
2122.00    0.801   151.68
2123.00    0.802   151.70
2124.00    0.802   151.71
2125.00    0.803   151.72
2126.00    0.804   151.74
2127.00    0.804   151.75
2128.00    0.805   151.76
2129.00    0.805   151.78
2130.00    0.806   151.79
2131.00    0.806   151.80
2132.00    0.807   151.82
2133.00    0.807   151.83
2134.00    0.807   151.84
2135.00    0.808   151.86
2136.00    0.808   151.87
2137.00    0.808   151.88
2138.00    0.808   151.90
2139.00    0.809   151.91
2140.00    0.809   151.92
2141.00    0.809   151.94
2142.00    0.809   151.95
2143.00    0.809   151.96
2144.00    0.809   151.97
2145.00    0.809   151.99
2146.00    0.809   152.00
2147.00    0.809   152.01
2148.00    0.809   152.03
2149.00    0.808   152.04
2150.00    0.808   152.05
2151.00    0.808   152.07
2152.00    0.808   152.08
2153.00    0.807   152.09
2154.00    0.807   152.11
2155.00    0.807   152.12
2156.00    0.806   152.13
2157.00    0.806   152.15
2158.00    0.805   152.16
2159.00    0.805   152.17
2160.00    0.804   152.19
2161.00    0.804   152.20
2162.00    0.803   152.21
2163.00    0.802   152.23
2164.00    0.802   152.24
2165.00    0.801   152.25
2166.00    0.800   152.27
2167.00    0.799   152.28
2168.00    0.799   152.29
2169.00    0.798   152.31
2170.00    0.797   152.32
2171.00    0.796   152.33
2172.00    0.795   152.35
2173.00    0.794   152.36
2174.00    0.793   152.37
2175.00    0.792   152.39
2176.00    0.791   152.40
2177.00    0.790   152.42
2178.00    0.788   152.43
2179.00    0.787   152.44
2180.00    0.786   152.46
2181.00    0.785   152.47
2182.00    0.783   152.49
2183.00    0.782   152.50
2184.00    0.781   152.51
2185.00    0.779   152.53
2186.00    0.778   152.54
2187.00    0.776   152.56
2188.00    0.775   152.57
2189.00    0.773   152.58
2190.00    0.772   152.60
2191.00    0.770   152.61
2192.00    0.769   152.63
2193.00    0.767   152.64
2194.00    0.765   152.66
2195.00    0.763   152.67
2196.00    0.762   152.69
2197.00    0.760   152.70
2198.00    0.758   152.72
2199.00    0.756   152.73
2200.00    0.754   152.75
2201.00    0.752   152.76
2202.00    0.750   152.78
2203.00    0.748   152.79
2204.00    0.746   152.81
2205.00    0.744   152.82
2206.00    0.742   152.84
2207.00    0.740   152.85
2208.00    0.738   152.87
2209.00    0.736   152.89
2210.00    0.733   152.90
2211.00    0.731   152.92
2212.00    0.729   152.93
2213.00    0.726   152.95
2214.00    0.724   152.97
2215.00    0.722   152.98
2216.00    0.719   153.00
2217.00    0.717   153.02
2218.00    0.714   153.03
2219.00    0.712   153.05
2220.00    0.709   153.07
2221.00    0.707   153.08
2222.00    0.704   153.10
2223.00    0.701   153.12
2224.00    0.698   153.14






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 18:05:13



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