Double Star Calculator - Orbit

Orbital Elements for HO43
WDS: HO43 WDS ID/Discoverer
P: 358.600 Orbital period (years)
a: 0.61 Semi-major axis (arcseconds)
i: 131.6 Inclination (degrees)
Ω: 80.0 Longitude of ascending node (degrees)
T: 1941.200 Epoch of periastron passage (year)
e: 0.4 Eccentricity
ω: 214.9 Longitude of periastron (degrees)
Start-Year: 1845.7 Year
End-Year: 2204.3 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HO43
Position: 091836.25+204849.4 Epoch-2000 right ascension and declination
WDS-ID: 09186+2049 WDS designation
Discoverer Code: HO43 Discover designation and components
ADS number: 7294 Aitken Double Star catalog
HD number: 80146 HD catalog number
Hipparcos number: 45671 Hipparcos catalog number
V1: 9.31 Magnitude of the primary
V2: 9.46 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 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: Tok2016e Reference

Double Star Orbit for HO43



WDS 6th Orbit including measures of HO43

-- 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 HO43
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.668    91.05
--------------------------
1845.70    0.488     6.20
1846.70    0.484     5.24
1847.70    0.481     4.26
1848.70    0.478     3.27
1849.70    0.474     2.27
1850.70    0.471     1.25
1851.70    0.468     0.22
1852.70    0.465   359.17
1853.70    0.462   358.11
1854.70    0.458   357.04
1855.70    0.456   355.95
1856.70    0.453   354.84
1857.70    0.450   353.73
1858.70    0.447   352.60
1859.70    0.444   351.45
1860.70    0.442   350.30
1861.70    0.439   349.13
1862.70    0.437   347.94
1863.70    0.434   346.74
1864.70    0.432   345.53
1865.70    0.430   344.31
1866.70    0.428   343.07
1867.70    0.426   341.83
1868.70    0.424   340.57
1869.70    0.422   339.30
1870.70    0.420   338.02
1871.70    0.419   336.73
1872.70    0.417   335.42
1873.70    0.416   334.11
1874.70    0.414   332.79
1875.70    0.413   331.47
1876.70    0.412   330.13
1877.70    0.411   328.79
1878.70    0.410   327.44
1879.70    0.409   326.08
1880.70    0.408   324.72
1881.70    0.407   323.35
1882.70    0.407   321.98
1883.70    0.406   320.60
1884.70    0.406   319.22
1885.70    0.405   317.84
1886.70    0.405   316.45
1887.70    0.405   315.06
1888.70    0.404   313.68
1889.70    0.404   312.29
1890.70    0.404   310.89
1891.70    0.404   309.50
1892.70    0.404   308.11
1893.70    0.404   306.72
1894.70    0.405   305.33
1895.70    0.405   303.94
1896.70    0.405   302.56
1897.70    0.405   301.17
1898.70    0.405   299.79
1899.70    0.406   298.40
1900.70    0.406   297.02
1901.70    0.406   295.64
1902.70    0.406   294.26
1903.70    0.407   292.89
1904.70    0.407   291.51
1905.70    0.407   290.14
1906.70    0.407   288.77
1907.70    0.407   287.39
1908.70    0.407   286.02
1909.70    0.407   284.65
1910.70    0.407   283.28
1911.70    0.407   281.90
1912.70    0.406   280.52
1913.70    0.406   279.15
1914.70    0.405   277.76
1915.70    0.404   276.38
1916.70    0.404   274.98
1917.70    0.403   273.59
1918.70    0.402   272.18
1919.70    0.400   270.77
1920.70    0.399   269.34
1921.70    0.397   267.91
1922.70    0.396   266.47
1923.70    0.394   265.01
1924.70    0.392   263.53
1925.70    0.389   262.04
1926.70    0.387   260.53
1927.70    0.384   259.00
1928.70    0.381   257.45
1929.70    0.378   255.87
1930.70    0.375   254.27
1931.70    0.371   252.63
1932.70    0.368   250.97
1933.70    0.364   249.27
1934.70    0.360   247.53
1935.70    0.356   245.76
1936.70    0.351   243.94
1937.70    0.347   242.08
1938.70    0.342   240.16
1939.70    0.338   238.20
1940.70    0.333   236.18
1941.70    0.328   234.10
1942.70    0.324   231.96
1943.70    0.319   229.76
1944.70    0.314   227.49
1945.70    0.310   225.16
1946.70    0.305   222.75
1947.70    0.301   220.27
1948.70    0.296   217.72
1949.70    0.292   215.09
1950.70    0.288   212.39
1951.70    0.285   209.63
1952.70    0.282   206.79
1953.70    0.279   203.90
1954.70    0.276   200.95
1955.70    0.274   197.94
1956.70    0.272   194.90
1957.70    0.271   191.82
1958.70    0.271   188.73
1959.70    0.270   185.62
1960.70    0.271   182.51
1961.70    0.271   179.41
1962.70    0.273   176.34
1963.70    0.274   173.30
1964.70    0.277   170.30
1965.70    0.279   167.36
1966.70    0.283   164.47
1967.70    0.286   161.66
1968.70    0.290   158.92
1969.70    0.295   156.26
1970.70    0.299   153.69
1971.70    0.305   151.19
1972.70    0.310   148.79
1973.70    0.316   146.46
1974.70    0.322   144.23
1975.70    0.328   142.08
1976.70    0.335   140.00
1977.70    0.341   138.01
1978.70    0.348   136.10
1979.70    0.355   134.26
1980.70    0.362   132.49
1981.70    0.369   130.79
1982.70    0.377   129.16
1983.70    0.384   127.59
1984.70    0.392   126.08
1985.70    0.399   124.62
1986.70    0.407   123.22
1987.70    0.414   121.87
1988.70    0.422   120.57
1989.70    0.429   119.32
1990.70    0.437   118.11
1991.70    0.445   116.94
1992.70    0.452   115.81
1993.70    0.460   114.71
1994.70    0.467   113.66
1995.70    0.475   112.63
1996.70    0.482   111.64
1997.70    0.489   110.67
1998.70    0.497   109.74
1999.70    0.504   108.83
2000.70    0.511   107.95
2001.70    0.518   107.09
2002.70    0.525   106.25
2003.70    0.532   105.44
2004.70    0.539   104.65
2005.70    0.546   103.88
2006.70    0.553   103.12
2007.70    0.559   102.39
2008.70    0.566   101.67
2009.70    0.572   100.97
2010.70    0.579   100.28
2011.70    0.585    99.61
2012.70    0.591    98.95
2013.70    0.597    98.31
2014.70    0.604    97.68
2015.70    0.609    97.06
2016.70    0.615    96.46
2017.70    0.621    95.86
2018.70    0.627    95.28
2019.70    0.632    94.70
2020.70    0.638    94.14
2021.70    0.643    93.59
2022.70    0.649    93.04
2023.70    0.654    92.51
2024.70    0.659    91.98
2025.70    0.664    91.46
2026.70    0.669    90.95
2027.70    0.674    90.44
2028.70    0.679    89.95
2029.70    0.683    89.46
2030.70    0.688    88.97
2031.70    0.692    88.49
2032.70    0.697    88.02
2033.70    0.701    87.56
2034.70    0.705    87.10
2035.70    0.709    86.64
2036.70    0.713    86.19
2037.70    0.717    85.75
2038.70    0.721    85.31
2039.70    0.725    84.88
2040.70    0.728    84.44
2041.70    0.732    84.02
2042.70    0.735    83.60
2043.70    0.739    83.18
2044.70    0.742    82.76
2045.70    0.745    82.35
2046.70    0.749    81.95
2047.70    0.752    81.54
2048.70    0.755    81.14
2049.70    0.757    80.74
2050.70    0.760    80.35
2051.70    0.763    79.96
2052.70    0.765    79.57
2053.70    0.768    79.18
2054.70    0.770    78.80
2055.70    0.773    78.41
2056.70    0.775    78.03
2057.70    0.777    77.66
2058.70    0.779    77.28
2059.70    0.781    76.91
2060.70    0.783    76.54
2061.70    0.785    76.17
2062.70    0.787    75.80
2063.70    0.789    75.43
2064.70    0.790    75.07
2065.70    0.792    74.71
2066.70    0.794    74.35
2067.70    0.795    73.98
2068.70    0.796    73.63
2069.70    0.798    73.27
2070.70    0.799    72.91
2071.70    0.800    72.56
2072.70    0.801    72.20
2073.70    0.802    71.85
2074.70    0.803    71.49
2075.70    0.804    71.14
2076.70    0.804    70.79
2077.70    0.805    70.44
2078.70    0.806    70.09
2079.70    0.806    69.74
2080.70    0.806    69.39
2081.70    0.807    69.04
2082.70    0.807    68.69
2083.70    0.807    68.34
2084.70    0.808    67.99
2085.70    0.808    67.64
2086.70    0.808    67.30
2087.70    0.808    66.95
2088.70    0.808    66.60
2089.70    0.807    66.25
2090.70    0.807    65.90
2091.70    0.807    65.55
2092.70    0.807    65.20
2093.70    0.806    64.85
2094.70    0.806    64.50
2095.70    0.805    64.15
2096.70    0.804    63.80
2097.70    0.804    63.45
2098.70    0.803    63.10
2099.70    0.802    62.74
2100.70    0.801    62.39
2101.70    0.800    62.04
2102.70    0.799    61.68
2103.70    0.798    61.32
2104.70    0.797    60.97
2105.70    0.796    60.61
2106.70    0.795    60.25
2107.70    0.793    59.89
2108.70    0.792    59.53
2109.70    0.791    59.17
2110.70    0.789    58.80
2111.70    0.788    58.44
2112.70    0.786    58.07
2113.70    0.784    57.70
2114.70    0.783    57.33
2115.70    0.781    56.96
2116.70    0.779    56.58
2117.70    0.777    56.21
2118.70    0.775    55.83
2119.70    0.773    55.45
2120.70    0.771    55.07
2121.70    0.769    54.69
2122.70    0.767    54.30
2123.70    0.765    53.92
2124.70    0.763    53.53
2125.70    0.761    53.14
2126.70    0.758    52.74
2127.70    0.756    52.35
2128.70    0.754    51.95
2129.70    0.751    51.54
2130.70    0.749    51.14
2131.70    0.746    50.73
2132.70    0.743    50.32
2133.70    0.741    49.91
2134.70    0.738    49.49
2135.70    0.735    49.08
2136.70    0.733    48.65
2137.70    0.730    48.23
2138.70    0.727    47.80
2139.70    0.724    47.37
2140.70    0.721    46.93
2141.70    0.718    46.49
2142.70    0.715    46.05
2143.70    0.712    45.60
2144.70    0.709    45.15
2145.70    0.706    44.70
2146.70    0.702    44.24
2147.70    0.699    43.78
2148.70    0.696    43.31
2149.70    0.693    42.84
2150.70    0.689    42.36
2151.70    0.686    41.88
2152.70    0.682    41.40
2153.70    0.679    40.90
2154.70    0.676    40.41
2155.70    0.672    39.91
2156.70    0.669    39.40
2157.70    0.665    38.89
2158.70    0.661    38.37
2159.70    0.658    37.85
2160.70    0.654    37.32
2161.70    0.651    36.79
2162.70    0.647    36.25
2163.70    0.643    35.70
2164.70    0.639    35.15
2165.70    0.636    34.59
2166.70    0.632    34.03
2167.70    0.628    33.45
2168.70    0.624    32.87
2169.70    0.620    32.29
2170.70    0.617    31.69
2171.70    0.613    31.09
2172.70    0.609    30.48
2173.70    0.605    29.86
2174.70    0.601    29.24
2175.70    0.597    28.60
2176.70    0.593    27.96
2177.70    0.589    27.31
2178.70    0.585    26.65
2179.70    0.581    25.99
2180.70    0.577    25.31
2181.70    0.574    24.62
2182.70    0.570    23.93
2183.70    0.566    23.22
2184.70    0.562    22.51
2185.70    0.558    21.78
2186.70    0.554    21.04
2187.70    0.550    20.30
2188.70    0.546    19.54
2189.70    0.542    18.77
2190.70    0.538    17.99
2191.70    0.534    17.20
2192.70    0.531    16.40
2193.70    0.527    15.59
2194.70    0.523    14.76
2195.70    0.519    13.93
2196.70    0.515    13.08
2197.70    0.512    12.21
2198.70    0.508    11.34
2199.70    0.504    10.45
2200.70    0.501     9.55
2201.70    0.497     8.64
2202.70    0.493     7.71
2203.70    0.490     6.77






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 16:16:58



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