Double Star Calculator - Orbit

Orbital Elements for HJ3555
WDS: HJ3555 WDS ID/Discoverer
P: 268.212 Orbital period (years)
a: 3.96341 Semi-major axis (arcseconds)
i: 81.484 Inclination (degrees)
Ω: 117.397 Longitude of ascending node (degrees)
T: 1947.411 Epoch of periastron passage (year)
e: 0.73704 Eccentricity
ω: 43.023 Longitude of periastron (degrees)
Start-Year: 1890.894 Year
End-Year: 2159.1059999999998 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HJ3555
Position: 031204.53-285915.4 Epoch-2000 right ascension and declination
WDS-ID: 03121-2859 WDS designation
Discoverer Code: HJ3555 Discover designation and components
ADS number: 2402 Aitken Double Star catalog
HD number: 20010 HD catalog number
Hipparcos number: 14879 Hipparcos catalog number
V1: 3.98 Magnitude of the primary
V2: 7.19 Magnitude of the secondary
Equinox: Equinox
Date: 2013 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 HJ3555



WDS 6th Orbit including measures of HJ3555

-- 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 HJ3555
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    5.498   301.35
--------------------------
1890.89    1.815   320.92
1891.89    1.757   321.58
1892.89    1.699   322.28
1893.89    1.641   323.04
1894.89    1.583   323.85
1895.89    1.525   324.73
1896.89    1.466   325.67
1897.89    1.408   326.69
1898.89    1.349   327.80
1899.89    1.291   329.02
1900.89    1.233   330.34
1901.89    1.175   331.80
1902.89    1.118   333.40
1903.89    1.061   335.18
1904.89    1.005   337.16
1905.89    0.950   339.37
1906.89    0.896   341.85
1907.89    0.844   344.64
1908.89    0.793   347.79
1909.89    0.745   351.36
1910.89    0.700   355.41
1911.89    0.658   359.99
1912.89    0.621     5.16
1913.89    0.589    10.94
1914.89    0.563    17.31
1915.89    0.545    24.19
1916.89    0.534    31.46
1917.89    0.532    38.89
1918.89    0.539    46.26
1919.89    0.554    53.35
1920.89    0.576    59.99
1921.89    0.605    66.06
1922.89    0.639    71.53
1923.89    0.677    76.41
1924.89    0.720    80.74
1925.89    0.765    84.58
1926.89    0.812    87.98
1927.89    0.860    91.01
1928.89    0.909    93.71
1929.89    0.957    96.13
1930.89    1.006    98.33
1931.89    1.053   100.32
1932.89    1.098   102.14
1933.89    1.141   103.82
1934.89    1.181   105.39
1935.89    1.217   106.85
1936.89    1.248   108.24
1937.89    1.272   109.57
1938.89    1.289   110.86
1939.89    1.295   112.12
1940.89    1.290   113.38
1941.89    1.270   114.67
1942.89    1.232   116.01
1943.89    1.173   117.47
1944.89    1.091   119.11
1945.89    0.982   121.07
1946.89    0.848   123.59
1947.89    0.691   127.18
1948.89    0.518   133.06
1949.89    0.341   145.06
1950.89    0.199   177.90
1951.89    0.213   237.98
1952.89    0.367   265.97
1953.89    0.549   276.47
1954.89    0.734   281.70
1955.89    0.916   284.83
1956.89    1.092   286.94
1957.89    1.262   288.47
1958.89    1.425   289.64
1959.89    1.582   290.58
1960.89    1.733   291.35
1961.89    1.877   292.00
1962.89    2.016   292.55
1963.89    2.150   293.04
1964.89    2.278   293.47
1965.89    2.402   293.86
1966.89    2.521   294.20
1967.89    2.636   294.52
1968.89    2.747   294.81
1969.89    2.853   295.08
1970.89    2.956   295.33
1971.89    3.056   295.57
1972.89    3.152   295.79
1973.89    3.245   295.99
1974.89    3.334   296.19
1975.89    3.421   296.37
1976.89    3.505   296.55
1977.89    3.587   296.72
1978.89    3.665   296.88
1979.89    3.741   297.03
1980.89    3.815   297.18
1981.89    3.887   297.32
1982.89    3.956   297.46
1983.89    4.023   297.59
1984.89    4.088   297.72
1985.89    4.151   297.84
1986.89    4.212   297.96
1987.89    4.271   298.08
1988.89    4.328   298.19
1989.89    4.384   298.31
1990.89    4.437   298.41
1991.89    4.489   298.52
1992.89    4.540   298.62
1993.89    4.589   298.72
1994.89    4.636   298.82
1995.89    4.682   298.92
1996.89    4.726   299.02
1997.89    4.769   299.11
1998.89    4.810   299.20
1999.89    4.850   299.29
2000.89    4.889   299.38
2001.89    4.927   299.47
2002.89    4.963   299.56
2003.89    4.998   299.64
2004.89    5.031   299.72
2005.89    5.064   299.81
2006.89    5.095   299.89
2007.89    5.125   299.97
2008.89    5.154   300.05
2009.89    5.182   300.13
2010.89    5.209   300.21
2011.89    5.234   300.28
2012.89    5.259   300.36
2013.89    5.283   300.44
2014.89    5.305   300.51
2015.89    5.327   300.59
2016.89    5.348   300.66
2017.89    5.367   300.73
2018.89    5.386   300.81
2019.89    5.404   300.88
2020.89    5.421   300.95
2021.89    5.436   301.02
2022.89    5.451   301.09
2023.89    5.466   301.17
2024.89    5.479   301.24
2025.89    5.491   301.31
2026.89    5.503   301.38
2027.89    5.514   301.45
2028.89    5.524   301.51
2029.89    5.533   301.58
2030.89    5.541   301.65
2031.89    5.549   301.72
2032.89    5.555   301.79
2033.89    5.561   301.86
2034.89    5.566   301.93
2035.89    5.571   301.99
2036.89    5.575   302.06
2037.89    5.578   302.13
2038.89    5.580   302.20
2039.89    5.581   302.27
2040.89    5.582   302.33
2041.89    5.582   302.40
2042.89    5.582   302.47
2043.89    5.580   302.54
2044.89    5.578   302.60
2045.89    5.576   302.67
2046.89    5.572   302.74
2047.89    5.568   302.81
2048.89    5.564   302.88
2049.89    5.558   302.94
2050.89    5.552   303.01
2051.89    5.546   303.08
2052.89    5.538   303.15
2053.89    5.531   303.22
2054.89    5.522   303.29
2055.89    5.513   303.36
2056.89    5.503   303.43
2057.89    5.493   303.50
2058.89    5.482   303.57
2059.89    5.470   303.64
2060.89    5.458   303.71
2061.89    5.445   303.78
2062.89    5.432   303.85
2063.89    5.418   303.92
2064.89    5.404   303.99
2065.89    5.389   304.07
2066.89    5.373   304.14
2067.89    5.357   304.21
2068.89    5.340   304.29
2069.89    5.323   304.36
2070.89    5.305   304.44
2071.89    5.286   304.51
2072.89    5.267   304.59
2073.89    5.248   304.66
2074.89    5.228   304.74
2075.89    5.207   304.82
2076.89    5.186   304.90
2077.89    5.164   304.97
2078.89    5.142   305.05
2079.89    5.119   305.13
2080.89    5.096   305.21
2081.89    5.072   305.30
2082.89    5.048   305.38
2083.89    5.023   305.46
2084.89    4.997   305.55
2085.89    4.972   305.63
2086.89    4.945   305.72
2087.89    4.918   305.80
2088.89    4.891   305.89
2089.89    4.863   305.98
2090.89    4.835   306.07
2091.89    4.806   306.16
2092.89    4.776   306.25
2093.89    4.746   306.35
2094.89    4.716   306.44
2095.89    4.685   306.54
2096.89    4.654   306.63
2097.89    4.622   306.73
2098.89    4.589   306.83
2099.89    4.557   306.93
2100.89    4.523   307.03
2101.89    4.489   307.14
2102.89    4.455   307.24
2103.89    4.420   307.35
2104.89    4.385   307.46
2105.89    4.349   307.57
2106.89    4.313   307.68
2107.89    4.277   307.80
2108.89    4.240   307.91
2109.89    4.202   308.03
2110.89    4.164   308.15
2111.89    4.125   308.27
2112.89    4.086   308.40
2113.89    4.047   308.53
2114.89    4.007   308.66
2115.89    3.967   308.79
2116.89    3.926   308.93
2117.89    3.885   309.06
2118.89    3.843   309.21
2119.89    3.801   309.35
2120.89    3.758   309.50
2121.89    3.715   309.65
2122.89    3.672   309.80
2123.89    3.628   309.96
2124.89    3.583   310.12
2125.89    3.538   310.29
2126.89    3.493   310.46
2127.89    3.447   310.64
2128.89    3.401   310.82
2129.89    3.355   311.00
2130.89    3.307   311.19
2131.89    3.260   311.39
2132.89    3.212   311.59
2133.89    3.164   311.80
2134.89    3.115   312.01
2135.89    3.066   312.23
2136.89    3.016   312.46
2137.89    2.966   312.70
2138.89    2.916   312.94
2139.89    2.865   313.19
2140.89    2.814   313.45
2141.89    2.762   313.73
2142.89    2.710   314.01
2143.89    2.657   314.30
2144.89    2.605   314.61
2145.89    2.551   314.92
2146.89    2.498   315.25
2147.89    2.444   315.60
2148.89    2.389   315.96
2149.89    2.335   316.34
2150.89    2.280   316.74
2151.89    2.224   317.15
2152.89    2.168   317.59
2153.89    2.112   318.05
2154.89    2.056   318.54
2155.89    1.999   319.05
2156.89    1.942   319.59
2157.89    1.885   320.17
2158.89    1.827   320.78






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 15:08:26



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