Double Star Calculator - Orbit

Orbital Elements for KOH86
WDS: KOH86 WDS ID/Discoverer
P: 300.000 Orbital period (years)
a: 0.43 Semi-major axis (arcseconds)
i: 126.2 Inclination (degrees)
Ω: 44.0 Longitude of ascending node (degrees)
T: 1865.000 Epoch of periastron passage (year)
e: 0.07 Eccentricity
ω: 289.0 Longitude of periastron (degrees)
Start-Year: 1875.0 Year
End-Year: 2175.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for KOH86
Position: 095313.72-793328.5 Epoch-2000 right ascension and declination
WDS-ID: 09527-7933 WDS designation
Discoverer Code: KOH86 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 86588 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.8 Magnitude of the primary
V2: 11.7 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2018 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: Tok2018f Reference

Double Star Orbit for KOH86



WDS 6th Orbit including measures of KOH86

-- 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 KOH86
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.332   268.46
--------------------------
1875.00    0.294    86.48
1876.00    0.298    84.99
1877.00    0.303    83.54
1878.00    0.307    82.13
1879.00    0.311    80.76
1880.00    0.315    79.43
1881.00    0.319    78.12
1882.00    0.323    76.85
1883.00    0.327    75.62
1884.00    0.331    74.41
1885.00    0.335    73.23
1886.00    0.339    72.08
1887.00    0.343    70.96
1888.00    0.347    69.86
1889.00    0.351    68.79
1890.00    0.354    67.73
1891.00    0.358    66.70
1892.00    0.362    65.70
1893.00    0.365    64.71
1894.00    0.369    63.74
1895.00    0.372    62.78
1896.00    0.375    61.85
1897.00    0.378    60.93
1898.00    0.382    60.02
1899.00    0.384    59.13
1900.00    0.387    58.25
1901.00    0.390    57.39
1902.00    0.393    56.53
1903.00    0.395    55.69
1904.00    0.398    54.86
1905.00    0.400    54.04
1906.00    0.402    53.22
1907.00    0.404    52.42
1908.00    0.406    51.62
1909.00    0.408    50.83
1910.00    0.410    50.05
1911.00    0.411    49.27
1912.00    0.413    48.50
1913.00    0.414    47.74
1914.00    0.415    46.98
1915.00    0.416    46.22
1916.00    0.417    45.47
1917.00    0.418    44.72
1918.00    0.418    43.97
1919.00    0.419    43.22
1920.00    0.419    42.48
1921.00    0.420    41.74
1922.00    0.420    40.99
1923.00    0.420    40.25
1924.00    0.420    39.51
1925.00    0.419    38.77
1926.00    0.419    38.02
1927.00    0.419    37.28
1928.00    0.418    36.53
1929.00    0.417    35.78
1930.00    0.416    35.03
1931.00    0.415    34.27
1932.00    0.414    33.51
1933.00    0.413    32.75
1934.00    0.412    31.98
1935.00    0.411    31.21
1936.00    0.409    30.43
1937.00    0.407    29.65
1938.00    0.406    28.86
1939.00    0.404    28.06
1940.00    0.402    27.26
1941.00    0.400    26.44
1942.00    0.398    25.62
1943.00    0.396    24.79
1944.00    0.394    23.95
1945.00    0.391    23.10
1946.00    0.389    22.24
1947.00    0.386    21.37
1948.00    0.384    20.49
1949.00    0.381    19.60
1950.00    0.378    18.69
1951.00    0.376    17.77
1952.00    0.373    16.84
1953.00    0.370    15.89
1954.00    0.367    14.93
1955.00    0.364    13.95
1956.00    0.361    12.96
1957.00    0.358    11.94
1958.00    0.355    10.92
1959.00    0.352     9.87
1960.00    0.349     8.80
1961.00    0.346     7.72
1962.00    0.342     6.62
1963.00    0.339     5.49
1964.00    0.336     4.35
1965.00    0.333     3.18
1966.00    0.330     1.99
1967.00    0.327     0.78
1968.00    0.324   359.54
1969.00    0.321   358.28
1970.00    0.318   357.00
1971.00    0.315   355.69
1972.00    0.312   354.35
1973.00    0.309   353.00
1974.00    0.306   351.61
1975.00    0.303   350.20
1976.00    0.300   348.77
1977.00    0.298   347.31
1978.00    0.295   345.82
1979.00    0.293   344.31
1980.00    0.290   342.77
1981.00    0.288   341.21
1982.00    0.286   339.62
1983.00    0.284   338.02
1984.00    0.282   336.39
1985.00    0.280   334.73
1986.00    0.279   333.06
1987.00    0.277   331.37
1988.00    0.276   329.66
1989.00    0.275   327.94
1990.00    0.274   326.20
1991.00    0.273   324.45
1992.00    0.272   322.68
1993.00    0.271   320.91
1994.00    0.271   319.13
1995.00    0.271   317.35
1996.00    0.271   315.57
1997.00    0.271   313.78
1998.00    0.271   312.00
1999.00    0.271   310.22
2000.00    0.272   308.45
2001.00    0.273   306.68
2002.00    0.273   304.93
2003.00    0.274   303.18
2004.00    0.276   301.45
2005.00    0.277   299.74
2006.00    0.278   298.05
2007.00    0.280   296.37
2008.00    0.282   294.71
2009.00    0.284   293.08
2010.00    0.286   291.46
2011.00    0.288   289.87
2012.00    0.290   288.31
2013.00    0.292   286.76
2014.00    0.295   285.25
2015.00    0.297   283.76
2016.00    0.300   282.29
2017.00    0.303   280.85
2018.00    0.306   279.44
2019.00    0.308   278.05
2020.00    0.311   276.69
2021.00    0.314   275.36
2022.00    0.318   274.05
2023.00    0.321   272.77
2024.00    0.324   271.51
2025.00    0.327   270.27
2026.00    0.330   269.06
2027.00    0.333   267.87
2028.00    0.337   266.71
2029.00    0.340   265.57
2030.00    0.343   264.45
2031.00    0.347   263.35
2032.00    0.350   262.27
2033.00    0.353   261.22
2034.00    0.357   260.18
2035.00    0.360   259.16
2036.00    0.363   258.16
2037.00    0.366   257.17
2038.00    0.369   256.21
2039.00    0.373   255.26
2040.00    0.376   254.33
2041.00    0.379   253.41
2042.00    0.382   252.50
2043.00    0.385   251.62
2044.00    0.388   250.74
2045.00    0.391   249.88
2046.00    0.394   249.03
2047.00    0.396   248.19
2048.00    0.399   247.36
2049.00    0.402   246.55
2050.00    0.404   245.74
2051.00    0.407   244.95
2052.00    0.409   244.17
2053.00    0.412   243.39
2054.00    0.414   242.62
2055.00    0.416   241.86
2056.00    0.418   241.11
2057.00    0.420   240.37
2058.00    0.422   239.63
2059.00    0.424   238.90
2060.00    0.426   238.18
2061.00    0.427   237.46
2062.00    0.429   236.75
2063.00    0.430   236.04
2064.00    0.432   235.34
2065.00    0.433   234.64
2066.00    0.434   233.94
2067.00    0.435   233.25
2068.00    0.436   232.56
2069.00    0.437   231.87
2070.00    0.438   231.19
2071.00    0.438   230.51
2072.00    0.439   229.83
2073.00    0.439   229.15
2074.00    0.439   228.47
2075.00    0.439   227.79
2076.00    0.439   227.12
2077.00    0.439   226.44
2078.00    0.439   225.76
2079.00    0.439   225.08
2080.00    0.438   224.40
2081.00    0.438   223.72
2082.00    0.437   223.04
2083.00    0.436   222.35
2084.00    0.435   221.66
2085.00    0.434   220.97
2086.00    0.433   220.28
2087.00    0.432   219.58
2088.00    0.430   218.87
2089.00    0.429   218.16
2090.00    0.427   217.45
2091.00    0.425   216.73
2092.00    0.423   216.00
2093.00    0.421   215.27
2094.00    0.419   214.53
2095.00    0.417   213.78
2096.00    0.415   213.02
2097.00    0.412   212.26
2098.00    0.409   211.48
2099.00    0.407   210.70
2100.00    0.404   209.90
2101.00    0.401   209.10
2102.00    0.398   208.28
2103.00    0.395   207.45
2104.00    0.392   206.60
2105.00    0.389   205.74
2106.00    0.385   204.87
2107.00    0.382   203.98
2108.00    0.378   203.08
2109.00    0.375   202.15
2110.00    0.371   201.21
2111.00    0.367   200.25
2112.00    0.363   199.27
2113.00    0.359   198.27
2114.00    0.355   197.25
2115.00    0.351   196.20
2116.00    0.347   195.13
2117.00    0.343   194.03
2118.00    0.339   192.91
2119.00    0.335   191.76
2120.00    0.331   190.58
2121.00    0.326   189.36
2122.00    0.322   188.12
2123.00    0.318   186.84
2124.00    0.314   185.53
2125.00    0.309   184.19
2126.00    0.305   182.80
2127.00    0.301   181.38
2128.00    0.297   179.92
2129.00    0.293   178.41
2130.00    0.289   176.87
2131.00    0.285   175.28
2132.00    0.281   173.64
2133.00    0.277   171.96
2134.00    0.273   170.24
2135.00    0.270   168.46
2136.00    0.266   166.65
2137.00    0.263   164.78
2138.00    0.260   162.87
2139.00    0.257   160.91
2140.00    0.254   158.90
2141.00    0.251   156.86
2142.00    0.249   154.77
2143.00    0.247   152.64
2144.00    0.245   150.47
2145.00    0.243   148.27
2146.00    0.241   146.04
2147.00    0.240   143.78
2148.00    0.239   141.50
2149.00    0.238   139.19
2150.00    0.237   136.88
2151.00    0.237   134.56
2152.00    0.237   132.23
2153.00    0.237   129.90
2154.00    0.238   127.59
2155.00    0.238   125.28
2156.00    0.239   122.99
2157.00    0.241   120.72
2158.00    0.242   118.47
2159.00    0.244   116.26
2160.00    0.246   114.08
2161.00    0.248   111.93
2162.00    0.250   109.83
2163.00    0.253   107.76
2164.00    0.256   105.74
2165.00    0.258   103.76
2166.00    0.262   101.82
2167.00    0.265    99.94
2168.00    0.268    98.10
2169.00    0.272    96.30
2170.00    0.275    94.55
2171.00    0.279    92.85
2172.00    0.283    91.19
2173.00    0.287    89.58
2174.00    0.290    88.01






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 16:22:02



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