Double Star Calculator - Orbit

Orbital Elements for HJ4756
WDS: HJ4756 WDS ID/Discoverer
P: 541.600 Orbital period (years)
a: 1.196 Semi-major axis (arcseconds)
i: 117.1 Inclination (degrees)
Ω: 150.9 Longitude of ascending node (degrees)
T: 1825.040 Epoch of periastron passage (year)
e: 0.221 Eccentricity
ω: 127.2 Longitude of periastron (degrees)
Start-Year: 1754.2 Year
End-Year: 2295.8 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HJ4756
Position: 151940.37-241611.9 Epoch-2000 right ascension and declination
WDS-ID: 15197-2416 WDS designation
Discoverer Code: HJ4756 Discover designation and components
ADS number: 9586 Aitken Double Star catalog
HD number: 136121 HD catalog number
Hipparcos number: 75012 Hipparcos catalog number
V1: 7.90 Magnitude of the primary
V2: 8.27 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1992 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: Zir2008 Reference

Double Star Orbit for HJ4756



WDS 6th Orbit including measures of HJ4756

-- 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 HJ4756
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.654   227.41
--------------------------
1754.20    0.693   114.91
1755.20    0.683   114.02
1756.20    0.673   113.10
1757.20    0.662   112.15
1758.20    0.652   111.17
1759.20    0.642   110.17
1760.20    0.632   109.13
1761.20    0.622   108.05
1762.20    0.613   106.94
1763.20    0.603   105.80
1764.20    0.593   104.62
1765.20    0.584   103.40
1766.20    0.575   102.14
1767.20    0.565   100.84
1768.20    0.556    99.50
1769.20    0.548    98.11
1770.20    0.539    96.68
1771.20    0.531    95.20
1772.20    0.523    93.68
1773.20    0.515    92.11
1774.20    0.507    90.50
1775.20    0.500    88.83
1776.20    0.493    87.12
1777.20    0.487    85.36
1778.20    0.481    83.56
1779.20    0.475    81.70
1780.20    0.469    79.81
1781.20    0.464    77.87
1782.20    0.460    75.89
1783.20    0.455    73.87
1784.20    0.452    71.82
1785.20    0.449    69.73
1786.20    0.446    67.62
1787.20    0.444    65.48
1788.20    0.442    63.33
1789.20    0.441    61.16
1790.20    0.440    58.98
1791.20    0.440    56.80
1792.20    0.440    54.62
1793.20    0.441    52.44
1794.20    0.443    50.28
1795.20    0.445    48.13
1796.20    0.447    46.01
1797.20    0.450    43.91
1798.20    0.453    41.84
1799.20    0.457    39.80
1800.20    0.462    37.80
1801.20    0.466    35.83
1802.20    0.471    33.91
1803.20    0.477    32.03
1804.20    0.483    30.20
1805.20    0.489    28.41
1806.20    0.496    26.67
1807.20    0.503    24.97
1808.20    0.510    23.32
1809.20    0.517    21.72
1810.20    0.525    20.17
1811.20    0.533    18.66
1812.20    0.541    17.19
1813.20    0.549    15.77
1814.20    0.558    14.39
1815.20    0.567    13.06
1816.20    0.575    11.76
1817.20    0.584    10.50
1818.20    0.593     9.29
1819.20    0.603     8.11
1820.20    0.612     6.96
1821.20    0.621     5.85
1822.20    0.630     4.77
1823.20    0.640     3.72
1824.20    0.649     2.70
1825.20    0.658     1.71
1826.20    0.668     0.75
1827.20    0.677   359.82
1828.20    0.687   358.91
1829.20    0.696   358.03
1830.20    0.705   357.17
1831.20    0.715   356.33
1832.20    0.724   355.51
1833.20    0.733   354.72
1834.20    0.742   353.94
1835.20    0.751   353.18
1836.20    0.760   352.44
1837.20    0.769   351.72
1838.20    0.778   351.01
1839.20    0.786   350.32
1840.20    0.795   349.64
1841.20    0.803   348.98
1842.20    0.811   348.33
1843.20    0.820   347.70
1844.20    0.828   347.08
1845.20    0.836   346.46
1846.20    0.843   345.87
1847.20    0.851   345.28
1848.20    0.858   344.70
1849.20    0.866   344.13
1850.20    0.873   343.57
1851.20    0.880   343.02
1852.20    0.887   342.48
1853.20    0.894   341.95
1854.20    0.900   341.42
1855.20    0.907   340.90
1856.20    0.913   340.39
1857.20    0.919   339.89
1858.20    0.925   339.39
1859.20    0.931   338.90
1860.20    0.936   338.42
1861.20    0.942   337.94
1862.20    0.947   337.46
1863.20    0.952   337.00
1864.20    0.957   336.53
1865.20    0.961   336.07
1866.20    0.966   335.62
1867.20    0.970   335.17
1868.20    0.974   334.72
1869.20    0.978   334.28
1870.20    0.982   333.84
1871.20    0.986   333.40
1872.20    0.989   332.97
1873.20    0.993   332.54
1874.20    0.996   332.11
1875.20    0.999   331.69
1876.20    1.001   331.26
1877.20    1.004   330.84
1878.20    1.006   330.42
1879.20    1.008   330.01
1880.20    1.011   329.59
1881.20    1.012   329.18
1882.20    1.014   328.77
1883.20    1.016   328.36
1884.20    1.017   327.95
1885.20    1.018   327.54
1886.20    1.019   327.14
1887.20    1.020   326.73
1888.20    1.021   326.32
1889.20    1.021   325.92
1890.20    1.022   325.51
1891.20    1.022   325.11
1892.20    1.022   324.70
1893.20    1.022   324.30
1894.20    1.022   323.90
1895.20    1.021   323.49
1896.20    1.021   323.09
1897.20    1.020   322.68
1898.20    1.019   322.27
1899.20    1.018   321.87
1900.20    1.017   321.46
1901.20    1.016   321.05
1902.20    1.014   320.64
1903.20    1.013   320.23
1904.20    1.011   319.82
1905.20    1.009   319.40
1906.20    1.007   318.99
1907.20    1.005   318.57
1908.20    1.003   318.15
1909.20    1.001   317.73
1910.20    0.998   317.31
1911.20    0.996   316.88
1912.20    0.993   316.45
1913.20    0.990   316.02
1914.20    0.987   315.59
1915.20    0.984   315.16
1916.20    0.981   314.72
1917.20    0.978   314.28
1918.20    0.975   313.84
1919.20    0.971   313.39
1920.20    0.968   312.94
1921.20    0.964   312.49
1922.20    0.960   312.03
1923.20    0.957   311.57
1924.20    0.953   311.11
1925.20    0.949   310.64
1926.20    0.945   310.17
1927.20    0.941   309.70
1928.20    0.936   309.22
1929.20    0.932   308.73
1930.20    0.928   308.24
1931.20    0.923   307.75
1932.20    0.919   307.25
1933.20    0.914   306.75
1934.20    0.910   306.24
1935.20    0.905   305.73
1936.20    0.900   305.21
1937.20    0.896   304.69
1938.20    0.891   304.16
1939.20    0.886   303.62
1940.20    0.881   303.08
1941.20    0.876   302.53
1942.20    0.871   301.98
1943.20    0.866   301.42
1944.20    0.861   300.85
1945.20    0.856   300.28
1946.20    0.851   299.70
1947.20    0.846   299.11
1948.20    0.841   298.52
1949.20    0.835   297.92
1950.20    0.830   297.31
1951.20    0.825   296.69
1952.20    0.820   296.07
1953.20    0.815   295.44
1954.20    0.809   294.80
1955.20    0.804   294.15
1956.20    0.799   293.49
1957.20    0.794   292.82
1958.20    0.789   292.15
1959.20    0.784   291.47
1960.20    0.778   290.77
1961.20    0.773   290.07
1962.20    0.768   289.36
1963.20    0.763   288.64
1964.20    0.758   287.91
1965.20    0.753   287.17
1966.20    0.748   286.42
1967.20    0.743   285.66
1968.20    0.739   284.89
1969.20    0.734   284.11
1970.20    0.729   283.32
1971.20    0.725   282.52
1972.20    0.720   281.71
1973.20    0.715   280.89
1974.20    0.711   280.06
1975.20    0.707   279.22
1976.20    0.702   278.37
1977.20    0.698   277.51
1978.20    0.694   276.64
1979.20    0.690   275.75
1980.20    0.686   274.86
1981.20    0.682   273.96
1982.20    0.678   273.05
1983.20    0.675   272.12
1984.20    0.671   271.19
1985.20    0.668   270.25
1986.20    0.664   269.29
1987.20    0.661   268.33
1988.20    0.658   267.36
1989.20    0.655   266.38
1990.20    0.652   265.39
1991.20    0.650   264.40
1992.20    0.647   263.39
1993.20    0.645   262.38
1994.20    0.642   261.36
1995.20    0.640   260.33
1996.20    0.638   259.30
1997.20    0.636   258.26
1998.20    0.635   257.21
1999.20    0.633   256.16
2000.20    0.632   255.11
2001.20    0.631   254.05
2002.20    0.630   252.98
2003.20    0.629   251.91
2004.20    0.628   250.84
2005.20    0.627   249.77
2006.20    0.627   248.70
2007.20    0.627   247.62
2008.20    0.627   246.55
2009.20    0.627   245.47
2010.20    0.627   244.40
2011.20    0.627   243.32
2012.20    0.628   242.25
2013.20    0.629   241.18
2014.20    0.630   240.11
2015.20    0.631   239.05
2016.20    0.632   237.99
2017.20    0.633   236.93
2018.20    0.635   235.88
2019.20    0.637   234.84
2020.20    0.638   233.80
2021.20    0.640   232.77
2022.20    0.643   231.74
2023.20    0.645   230.72
2024.20    0.647   229.71
2025.20    0.650   228.70
2026.20    0.653   227.71
2027.20    0.656   226.72
2028.20    0.659   225.74
2029.20    0.662   224.78
2030.20    0.665   223.82
2031.20    0.669   222.87
2032.20    0.672   221.93
2033.20    0.676   221.00
2034.20    0.680   220.08
2035.20    0.684   219.17
2036.20    0.688   218.27
2037.20    0.692   217.38
2038.20    0.696   216.50
2039.20    0.700   215.64
2040.20    0.705   214.78
2041.20    0.709   213.94
2042.20    0.714   213.10
2043.20    0.719   212.28
2044.20    0.724   211.47
2045.20    0.729   210.67
2046.20    0.734   209.88
2047.20    0.739   209.10
2048.20    0.744   208.33
2049.20    0.749   207.57
2050.20    0.755   206.82
2051.20    0.760   206.09
2052.20    0.765   205.36
2053.20    0.771   204.65
2054.20    0.776   203.94
2055.20    0.782   203.24
2056.20    0.788   202.56
2057.20    0.793   201.88
2058.20    0.799   201.22
2059.20    0.805   200.56
2060.20    0.811   199.91
2061.20    0.817   199.28
2062.20    0.823   198.65
2063.20    0.829   198.03
2064.20    0.835   197.42
2065.20    0.841   196.81
2066.20    0.847   196.22
2067.20    0.853   195.64
2068.20    0.859   195.06
2069.20    0.865   194.49
2070.20    0.871   193.93
2071.20    0.878   193.38
2072.20    0.884   192.83
2073.20    0.890   192.30
2074.20    0.896   191.77
2075.20    0.902   191.25
2076.20    0.909   190.73
2077.20    0.915   190.22
2078.20    0.921   189.72
2079.20    0.927   189.23
2080.20    0.934   188.74
2081.20    0.940   188.26
2082.20    0.946   187.78
2083.20    0.952   187.31
2084.20    0.958   186.85
2085.20    0.965   186.39
2086.20    0.971   185.94
2087.20    0.977   185.50
2088.20    0.983   185.06
2089.20    0.989   184.62
2090.20    0.995   184.19
2091.20    1.002   183.77
2092.20    1.008   183.35
2093.20    1.014   182.94
2094.20    1.020   182.53
2095.20    1.026   182.13
2096.20    1.032   181.73
2097.20    1.038   181.33
2098.20    1.044   180.94
2099.20    1.050   180.56
2100.20    1.056   180.18
2101.20    1.061   179.80
2102.20    1.067   179.43
2103.20    1.073   179.06
2104.20    1.079   178.69
2105.20    1.085   178.33
2106.20    1.090   177.97
2107.20    1.096   177.62
2108.20    1.101   177.27
2109.20    1.107   176.92
2110.20    1.113   176.58
2111.20    1.118   176.24
2112.20    1.123   175.91
2113.20    1.129   175.57
2114.20    1.134   175.24
2115.20    1.139   174.92
2116.20    1.145   174.59
2117.20    1.150   174.27
2118.20    1.155   173.95
2119.20    1.160   173.64
2120.20    1.165   173.32
2121.20    1.170   173.01
2122.20    1.175   172.71
2123.20    1.180   172.40
2124.20    1.185   172.10
2125.20    1.190   171.80
2126.20    1.194   171.50
2127.20    1.199   171.21
2128.20    1.203   170.92
2129.20    1.208   170.63
2130.20    1.212   170.34
2131.20    1.217   170.05
2132.20    1.221   169.77
2133.20    1.225   169.48
2134.20    1.230   169.20
2135.20    1.234   168.93
2136.20    1.238   168.65
2137.20    1.242   168.37
2138.20    1.246   168.10
2139.20    1.250   167.83
2140.20    1.254   167.56
2141.20    1.257   167.29
2142.20    1.261   167.03
2143.20    1.265   166.76
2144.20    1.268   166.50
2145.20    1.272   166.24
2146.20    1.275   165.97
2147.20    1.278   165.72
2148.20    1.282   165.46
2149.20    1.285   165.20
2150.20    1.288   164.95
2151.20    1.291   164.69
2152.20    1.294   164.44
2153.20    1.297   164.19
2154.20    1.299   163.94
2155.20    1.302   163.69
2156.20    1.305   163.44
2157.20    1.307   163.19
2158.20    1.310   162.94
2159.20    1.312   162.70
2160.20    1.314   162.45
2161.20    1.316   162.21
2162.20    1.319   161.97
2163.20    1.321   161.72
2164.20    1.323   161.48
2165.20    1.324   161.24
2166.20    1.326   161.00
2167.20    1.328   160.76
2168.20    1.329   160.52
2169.20    1.331   160.28
2170.20    1.332   160.04
2171.20    1.334   159.81
2172.20    1.335   159.57
2173.20    1.336   159.33
2174.20    1.337   159.10
2175.20    1.338   158.86
2176.20    1.339   158.62
2177.20    1.340   158.39
2178.20    1.340   158.15
2179.20    1.341   157.92
2180.20    1.342   157.68
2181.20    1.342   157.45
2182.20    1.342   157.21
2183.20    1.342   156.98
2184.20    1.343   156.74
2185.20    1.343   156.51
2186.20    1.342   156.28
2187.20    1.342   156.04
2188.20    1.342   155.81
2189.20    1.342   155.57
2190.20    1.341   155.34
2191.20    1.341   155.10
2192.20    1.340   154.87
2193.20    1.339   154.63
2194.20    1.338   154.40
2195.20    1.337   154.16
2196.20    1.336   153.92
2197.20    1.335   153.69
2198.20    1.333   153.45
2199.20    1.332   153.21
2200.20    1.331   152.97
2201.20    1.329   152.73
2202.20    1.327   152.50
2203.20    1.325   152.25
2204.20    1.323   152.01
2205.20    1.321   151.77
2206.20    1.319   151.53
2207.20    1.317   151.29
2208.20    1.314   151.04
2209.20    1.312   150.80
2210.20    1.309   150.55
2211.20    1.307   150.31
2212.20    1.304   150.06
2213.20    1.301   149.81
2214.20    1.298   149.56
2215.20    1.295   149.31
2216.20    1.291   149.05
2217.20    1.288   148.80
2218.20    1.285   148.54
2219.20    1.281   148.29
2220.20    1.277   148.03
2221.20    1.273   147.77
2222.20    1.269   147.51
2223.20    1.265   147.25
2224.20    1.261   146.98
2225.20    1.257   146.71
2226.20    1.253   146.45
2227.20    1.248   146.18
2228.20    1.243   145.90
2229.20    1.239   145.63
2230.20    1.234   145.35
2231.20    1.229   145.07
2232.20    1.224   144.79
2233.20    1.219   144.51
2234.20    1.213   144.22
2235.20    1.208   143.94
2236.20    1.202   143.65
2237.20    1.197   143.35
2238.20    1.191   143.06
2239.20    1.185   142.76
2240.20    1.179   142.45
2241.20    1.173   142.15
2242.20    1.167   141.84
2243.20    1.160   141.53
2244.20    1.154   141.21
2245.20    1.147   140.89
2246.20    1.140   140.57
2247.20    1.134   140.24
2248.20    1.127   139.91
2249.20    1.120   139.58
2250.20    1.113   139.24
2251.20    1.105   138.89
2252.20    1.098   138.55
2253.20    1.091   138.19
2254.20    1.083   137.84
2255.20    1.075   137.47
2256.20    1.068   137.11
2257.20    1.060   136.73
2258.20    1.052   136.35
2259.20    1.044   135.97
2260.20    1.035   135.58
2261.20    1.027   135.18
2262.20    1.019   134.78
2263.20    1.010   134.37
2264.20    1.002   133.95
2265.20    0.993   133.52
2266.20    0.984   133.09
2267.20    0.975   132.65
2268.20    0.966   132.20
2269.20    0.957   131.75
2270.20    0.948   131.28
2271.20    0.939   130.81
2272.20    0.929   130.32
2273.20    0.920   129.83
2274.20    0.911   129.32
2275.20    0.901   128.81
2276.20    0.891   128.28
2277.20    0.882   127.75
2278.20    0.872   127.20
2279.20    0.862   126.63
2280.20    0.852   126.06
2281.20    0.842   125.47
2282.20    0.832   124.87
2283.20    0.822   124.25
2284.20    0.812   123.62
2285.20    0.802   122.97
2286.20    0.792   122.30
2287.20    0.781   121.62
2288.20    0.771   120.92
2289.20    0.761   120.20
2290.20    0.751   119.46
2291.20    0.740   118.70
2292.20    0.730   117.92
2293.20    0.720   117.12
2294.20    0.709   116.29
2295.20    0.699   115.44






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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 17:14:01



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