Double Star Calculator - Orbit

Orbital Elements for HJ4707
WDS: HJ4707 WDS ID/Discoverer
P: 313.728 Orbital period (years)
a: 1.5328 Semi-major axis (arcseconds)
i: 111.296 Inclination (degrees)
Ω: 63.429 Longitude of ascending node (degrees)
T: 1925.073 Epoch of periastron passage (year)
e: 0.36357 Eccentricity
ω: 347.119 Longitude of periastron (degrees)
Start-Year: 1868.1361 Year
End-Year: 2181.8639 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HJ4707
Position: 145410.91-662512.4 Epoch-2000 right ascension and declination
WDS-ID: 14542-6625 WDS designation
Discoverer Code: HJ4707 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 130940 HD catalog number
Hipparcos number: 72921 Hipparcos catalog number
V1: 7.53 Magnitude of the primary
V2: 8.09 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: Flags
Ephemerides: Ephemerides
Code: Izm2019 Reference

Double Star Orbit for HJ4707



WDS 6th Orbit including measures of HJ4707

-- 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 HJ4707
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.398   264.57
--------------------------
1868.14    0.892   211.81
1869.14    0.867   210.63
1870.14    0.841   209.38
1871.14    0.816   208.05
1872.14    0.790   206.64
1873.14    0.765   205.13
1874.14    0.740   203.52
1875.14    0.715   201.79
1876.14    0.691   199.95
1877.14    0.667   197.97
1878.14    0.643   195.84
1879.14    0.620   193.56
1880.14    0.598   191.10
1881.14    0.577   188.45
1882.14    0.556   185.61
1883.14    0.537   182.56
1884.14    0.519   179.29
1885.14    0.503   175.79
1886.14    0.488   172.07
1887.14    0.475   168.13
1888.14    0.464   163.98
1889.14    0.455   159.66
1890.14    0.449   155.19
1891.14    0.445   150.61
1892.14    0.443   145.98
1893.14    0.444   141.35
1894.14    0.448   136.77
1895.14    0.454   132.28
1896.14    0.462   127.93
1897.14    0.473   123.76
1898.14    0.485   119.78
1899.14    0.500   116.02
1900.14    0.515   112.48
1901.14    0.532   109.15
1902.14    0.551   106.04
1903.14    0.570   103.13
1904.14    0.590   100.41
1905.14    0.610    97.87
1906.14    0.631    95.50
1907.14    0.652    93.29
1908.14    0.673    91.21
1909.14    0.694    89.25
1910.14    0.715    87.42
1911.14    0.736    85.69
1912.14    0.757    84.05
1913.14    0.777    82.50
1914.14    0.796    81.02
1915.14    0.815    79.62
1916.14    0.833    78.27
1917.14    0.851    76.99
1918.14    0.867    75.75
1919.14    0.883    74.56
1920.14    0.898    73.41
1921.14    0.911    72.29
1922.14    0.924    71.21
1923.14    0.935    70.15
1924.14    0.946    69.12
1925.14    0.955    68.11
1926.14    0.963    67.12
1927.14    0.970    66.14
1928.14    0.975    65.18
1929.14    0.979    64.22
1930.14    0.983    63.28
1931.14    0.984    62.33
1932.14    0.985    61.39
1933.14    0.984    60.45
1934.14    0.983    59.51
1935.14    0.980    58.56
1936.14    0.976    57.61
1937.14    0.971    56.65
1938.14    0.964    55.67
1939.14    0.957    54.68
1940.14    0.949    53.68
1941.14    0.940    52.66
1942.14    0.930    51.61
1943.14    0.919    50.55
1944.14    0.907    49.45
1945.14    0.895    48.33
1946.14    0.882    47.17
1947.14    0.868    45.98
1948.14    0.853    44.75
1949.14    0.839    43.47
1950.14    0.823    42.15
1951.14    0.808    40.78
1952.14    0.792    39.36
1953.14    0.776    37.87
1954.14    0.759    36.32
1955.14    0.743    34.70
1956.14    0.726    33.01
1957.14    0.710    31.24
1958.14    0.693    29.39
1959.14    0.677    27.44
1960.14    0.661    25.41
1961.14    0.646    23.27
1962.14    0.631    21.03
1963.14    0.616    18.68
1964.14    0.602    16.22
1965.14    0.589    13.65
1966.14    0.577    10.97
1967.14    0.566     8.17
1968.14    0.555     5.27
1969.14    0.546     2.26
1970.14    0.538   359.15
1971.14    0.532   355.97
1972.14    0.527   352.71
1973.14    0.523   349.39
1974.14    0.521   346.04
1975.14    0.520   342.67
1976.14    0.521   339.29
1977.14    0.523   335.94
1978.14    0.527   332.63
1979.14    0.532   329.37
1980.14    0.539   326.19
1981.14    0.547   323.09
1982.14    0.557   320.10
1983.14    0.567   317.21
1984.14    0.579   314.43
1985.14    0.592   311.77
1986.14    0.606   309.22
1987.14    0.621   306.80
1988.14    0.636   304.48
1989.14    0.653   302.29
1990.14    0.670   300.20
1991.14    0.687   298.22
1992.14    0.705   296.34
1993.14    0.724   294.55
1994.14    0.743   292.85
1995.14    0.763   291.24
1996.14    0.782   289.71
1997.14    0.802   288.26
1998.14    0.823   286.88
1999.14    0.843   285.56
2000.14    0.864   284.31
2001.14    0.884   283.12
2002.14    0.905   281.98
2003.14    0.926   280.89
2004.14    0.947   279.85
2005.14    0.968   278.85
2006.14    0.989   277.90
2007.14    1.010   276.99
2008.14    1.031   276.11
2009.14    1.052   275.27
2010.14    1.073   274.47
2011.14    1.094   273.69
2012.14    1.115   272.94
2013.14    1.136   272.22
2014.14    1.156   271.53
2015.14    1.177   270.86
2016.14    1.197   270.21
2017.14    1.217   269.58
2018.14    1.237   268.98
2019.14    1.257   268.39
2020.14    1.277   267.82
2021.14    1.296   267.27
2022.14    1.316   266.73
2023.14    1.335   266.22
2024.14    1.354   265.71
2025.14    1.373   265.22
2026.14    1.391   264.74
2027.14    1.410   264.28
2028.14    1.428   263.82
2029.14    1.446   263.38
2030.14    1.464   262.95
2031.14    1.482   262.53
2032.14    1.499   262.12
2033.14    1.516   261.72
2034.14    1.533   261.33
2035.14    1.550   260.94
2036.14    1.566   260.57
2037.14    1.583   260.20
2038.14    1.599   259.84
2039.14    1.615   259.49
2040.14    1.630   259.14
2041.14    1.645   258.80
2042.14    1.661   258.47
2043.14    1.675   258.14
2044.14    1.690   257.82
2045.14    1.704   257.50
2046.14    1.718   257.19
2047.14    1.732   256.88
2048.14    1.746   256.58
2049.14    1.759   256.28
2050.14    1.772   255.99
2051.14    1.785   255.70
2052.14    1.797   255.42
2053.14    1.810   255.14
2054.14    1.822   254.86
2055.14    1.833   254.59
2056.14    1.845   254.32
2057.14    1.856   254.05
2058.14    1.867   253.79
2059.14    1.878   253.53
2060.14    1.888   253.27
2061.14    1.898   253.02
2062.14    1.908   252.76
2063.14    1.917   252.51
2064.14    1.927   252.27
2065.14    1.936   252.02
2066.14    1.944   251.78
2067.14    1.953   251.54
2068.14    1.961   251.30
2069.14    1.969   251.07
2070.14    1.977   250.83
2071.14    1.984   250.60
2072.14    1.991   250.37
2073.14    1.998   250.14
2074.14    2.004   249.91
2075.14    2.010   249.68
2076.14    2.016   249.46
2077.14    2.022   249.24
2078.14    2.027   249.01
2079.14    2.032   248.79
2080.14    2.037   248.57
2081.14    2.041   248.35
2082.14    2.045   248.13
2083.14    2.049   247.92
2084.14    2.053   247.70
2085.14    2.056   247.48
2086.14    2.059   247.27
2087.14    2.062   247.05
2088.14    2.064   246.84
2089.14    2.066   246.62
2090.14    2.068   246.41
2091.14    2.069   246.20
2092.14    2.070   245.98
2093.14    2.071   245.77
2094.14    2.072   245.56
2095.14    2.072   245.35
2096.14    2.072   245.13
2097.14    2.072   244.92
2098.14    2.071   244.71
2099.14    2.070   244.50
2100.14    2.069   244.28
2101.14    2.067   244.07
2102.14    2.065   243.86
2103.14    2.063   243.64
2104.14    2.060   243.43
2105.14    2.058   243.21
2106.14    2.054   243.00
2107.14    2.051   242.78
2108.14    2.047   242.56
2109.14    2.043   242.34
2110.14    2.039   242.13
2111.14    2.034   241.91
2112.14    2.029   241.68
2113.14    2.024   241.46
2114.14    2.018   241.24
2115.14    2.012   241.01
2116.14    2.006   240.79
2117.14    1.999   240.56
2118.14    1.992   240.33
2119.14    1.985   240.10
2120.14    1.977   239.87
2121.14    1.969   239.63
2122.14    1.961   239.40
2123.14    1.953   239.16
2124.14    1.944   238.92
2125.14    1.935   238.68
2126.14    1.925   238.43
2127.14    1.915   238.19
2128.14    1.905   237.94
2129.14    1.894   237.68
2130.14    1.884   237.43
2131.14    1.872   237.17
2132.14    1.861   236.91
2133.14    1.849   236.64
2134.14    1.837   236.37
2135.14    1.824   236.10
2136.14    1.812   235.82
2137.14    1.798   235.54
2138.14    1.785   235.26
2139.14    1.771   234.97
2140.14    1.757   234.68
2141.14    1.742   234.38
2142.14    1.728   234.08
2143.14    1.712   233.77
2144.14    1.697   233.46
2145.14    1.681   233.14
2146.14    1.665   232.81
2147.14    1.649   232.48
2148.14    1.632   232.14
2149.14    1.615   231.79
2150.14    1.597   231.44
2151.14    1.579   231.08
2152.14    1.561   230.71
2153.14    1.543   230.33
2154.14    1.524   229.94
2155.14    1.505   229.54
2156.14    1.486   229.14
2157.14    1.466   228.72
2158.14    1.446   228.29
2159.14    1.426   227.84
2160.14    1.405   227.39
2161.14    1.384   226.92
2162.14    1.363   226.44
2163.14    1.341   225.94
2164.14    1.319   225.42
2165.14    1.297   224.89
2166.14    1.275   224.34
2167.14    1.252   223.77
2168.14    1.229   223.17
2169.14    1.206   222.56
2170.14    1.182   221.92
2171.14    1.159   221.25
2172.14    1.135   220.56
2173.14    1.110   219.83
2174.14    1.086   219.08
2175.14    1.061   218.29
2176.14    1.037   217.46
2177.14    1.012   216.59
2178.14    0.987   215.67
2179.14    0.961   214.71
2180.14    0.936   213.70
2181.14    0.911   212.63






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 17:10:03



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