Double Star Calculator - Orbit

Orbital Elements for HU143AA,AB
WDS: HU143AA,AB WDS ID/Discoverer
P: 246.400 Orbital period (years)
a: 0.652 Semi-major axis (arcseconds)
i: 72.6 Inclination (degrees)
Ω: 140.5 Longitude of ascending node (degrees)
T: 2003.360 Epoch of periastron passage (year)
e: 0.374 Eccentricity
ω: 123.6 Longitude of periastron (degrees)
Start-Year: 1901.8 Year
End-Year: 2148.2 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HU143AA,AB
Position: 150727.88+551557.0 Epoch-2000 right ascension and declination
WDS-ID: 15075+5516 WDS designation
Discoverer Code: HU143AA,AB Discover designation and components
ADS number: 9511 Aitken Double Star catalog
HD number: 134418 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.6 Magnitude of the primary
V2: 9.9 Magnitude of the secondary
Equinox: Equinox
Date: 2021 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: Lin2022b Reference

Double Star Orbit for HU143AA,AB



WDS 6th Orbit including measures of HU143AA,AB

-- 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 HU143AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.484   324.52
--------------------------
1901.80    0.686   126.11
1902.80    0.692   126.47
1903.80    0.696   126.83
1904.80    0.701   127.18
1905.80    0.706   127.53
1906.80    0.710   127.87
1907.80    0.714   128.21
1908.80    0.719   128.55
1909.80    0.722   128.88
1910.80    0.726   129.21
1911.80    0.730   129.53
1912.80    0.733   129.85
1913.80    0.736   130.17
1914.80    0.739   130.49
1915.80    0.742   130.80
1916.80    0.745   131.11
1917.80    0.747   131.42
1918.80    0.749   131.73
1919.80    0.751   132.04
1920.80    0.753   132.34
1921.80    0.754   132.65
1922.80    0.755   132.95
1923.80    0.757   133.25
1924.80    0.757   133.55
1925.80    0.758   133.85
1926.80    0.758   134.15
1927.80    0.758   134.45
1928.80    0.758   134.75
1929.80    0.758   135.05
1930.80    0.757   135.35
1931.80    0.756   135.65
1932.80    0.755   135.95
1933.80    0.754   136.25
1934.80    0.752   136.56
1935.80    0.750   136.86
1936.80    0.748   137.17
1937.80    0.745   137.48
1938.80    0.742   137.79
1939.80    0.739   138.10
1940.80    0.736   138.42
1941.80    0.732   138.74
1942.80    0.728   139.06
1943.80    0.724   139.39
1944.80    0.719   139.72
1945.80    0.714   140.06
1946.80    0.709   140.40
1947.80    0.703   140.74
1948.80    0.697   141.09
1949.80    0.691   141.45
1950.80    0.684   141.82
1951.80    0.677   142.19
1952.80    0.670   142.57
1953.80    0.662   142.96
1954.80    0.654   143.35
1955.80    0.645   143.76
1956.80    0.636   144.18
1957.80    0.627   144.61
1958.80    0.618   145.06
1959.80    0.607   145.52
1960.80    0.597   145.99
1961.80    0.586   146.48
1962.80    0.575   147.00
1963.80    0.563   147.53
1964.80    0.551   148.08
1965.80    0.539   148.66
1966.80    0.526   149.27
1967.80    0.513   149.91
1968.80    0.499   150.58
1969.80    0.485   151.29
1970.80    0.470   152.05
1971.80    0.455   152.85
1972.80    0.440   153.71
1973.80    0.424   154.64
1974.80    0.408   155.63
1975.80    0.392   156.71
1976.80    0.375   157.88
1977.80    0.358   159.16
1978.80    0.341   160.57
1979.80    0.323   162.14
1980.80    0.305   163.88
1981.80    0.287   165.85
1982.80    0.269   168.07
1983.80    0.251   170.62
1984.80    0.233   173.55
1985.80    0.216   176.97
1986.80    0.199   180.98
1987.80    0.183   185.73
1988.80    0.168   191.36
1989.80    0.154   198.05
1990.80    0.143   205.91
1991.80    0.134   214.94
1992.80    0.129   224.94
1993.80    0.128   235.44
1994.80    0.131   245.82
1995.80    0.137   255.49
1996.80    0.147   264.08
1997.80    0.159   271.49
1998.80    0.173   277.77
1999.80    0.188   283.07
2000.80    0.204   287.55
2001.80    0.221   291.36
2002.80    0.238   294.63
2003.80    0.255   297.47
2004.80    0.272   299.95
2005.80    0.289   302.14
2006.80    0.305   304.10
2007.80    0.321   305.86
2008.80    0.336   307.45
2009.80    0.351   308.92
2010.80    0.365   310.26
2011.80    0.378   311.51
2012.80    0.390   312.68
2013.80    0.402   313.78
2014.80    0.413   314.82
2015.80    0.423   315.80
2016.80    0.433   316.74
2017.80    0.441   317.64
2018.80    0.449   318.51
2019.80    0.456   319.36
2020.80    0.462   320.17
2021.80    0.468   320.97
2022.80    0.473   321.75
2023.80    0.477   322.51
2024.80    0.480   323.26
2025.80    0.483   324.01
2026.80    0.485   324.74
2027.80    0.486   325.47
2028.80    0.487   326.20
2029.80    0.487   326.93
2030.80    0.487   327.65
2031.80    0.486   328.38
2032.80    0.485   329.11
2033.80    0.483   329.85
2034.80    0.481   330.59
2035.80    0.478   331.34
2036.80    0.475   332.10
2037.80    0.471   332.87
2038.80    0.467   333.65
2039.80    0.463   334.45
2040.80    0.458   335.26
2041.80    0.453   336.09
2042.80    0.448   336.94
2043.80    0.443   337.80
2044.80    0.437   338.69
2045.80    0.431   339.61
2046.80    0.425   340.55
2047.80    0.419   341.51
2048.80    0.412   342.51
2049.80    0.406   343.54
2050.80    0.399   344.61
2051.80    0.392   345.71
2052.80    0.385   346.85
2053.80    0.378   348.04
2054.80    0.371   349.27
2055.80    0.364   350.54
2056.80    0.356   351.87
2057.80    0.349   353.26
2058.80    0.342   354.70
2059.80    0.335   356.20
2060.80    0.328   357.77
2061.80    0.321   359.40
2062.80    0.314     1.11
2063.80    0.308     2.89
2064.80    0.301     4.75
2065.80    0.295     6.69
2066.80    0.289     8.71
2067.80    0.283    10.82
2068.80    0.277    13.02
2069.80    0.272    15.30
2070.80    0.267    17.67
2071.80    0.263    20.13
2072.80    0.259    22.66
2073.80    0.255    25.28
2074.80    0.252    27.97
2075.80    0.249    30.72
2076.80    0.246    33.53
2077.80    0.245    36.39
2078.80    0.243    39.28
2079.80    0.243    42.20
2080.80    0.242    45.13
2081.80    0.243    48.06
2082.80    0.244    50.97
2083.80    0.245    53.85
2084.80    0.247    56.69
2085.80    0.250    59.48
2086.80    0.253    62.21
2087.80    0.256    64.87
2088.80    0.260    67.46
2089.80    0.265    69.96
2090.80    0.269    72.38
2091.80    0.275    74.71
2092.80    0.280    76.95
2093.80    0.286    79.10
2094.80    0.292    81.16
2095.80    0.299    83.14
2096.80    0.305    85.03
2097.80    0.312    86.83
2098.80    0.319    88.56
2099.80    0.327    90.21
2100.80    0.334    91.79
2101.80    0.342    93.30
2102.80    0.350    94.74
2103.80    0.357    96.12
2104.80    0.365    97.44
2105.80    0.373    98.70
2106.80    0.382    99.91
2107.80    0.390   101.07
2108.80    0.398   102.18
2109.80    0.406   103.24
2110.80    0.415   104.27
2111.80    0.423   105.25
2112.80    0.431   106.19
2113.80    0.440   107.10
2114.80    0.448   107.97
2115.80    0.457   108.82
2116.80    0.465   109.63
2117.80    0.473   110.41
2118.80    0.481   111.17
2119.80    0.490   111.90
2120.80    0.498   112.60
2121.80    0.506   113.29
2122.80    0.514   113.95
2123.80    0.522   114.59
2124.80    0.530   115.22
2125.80    0.538   115.82
2126.80    0.546   116.41
2127.80    0.553   116.98
2128.80    0.561   117.53
2129.80    0.568   118.07
2130.80    0.576   118.60
2131.80    0.583   119.11
2132.80    0.590   119.61
2133.80    0.597   120.10
2134.80    0.605   120.58
2135.80    0.611   121.04
2136.80    0.618   121.50
2137.80    0.625   121.95
2138.80    0.631   122.38
2139.80    0.638   122.81
2140.80    0.644   123.23
2141.80    0.650   123.64
2142.80    0.656   124.04
2143.80    0.662   124.44
2144.80    0.668   124.83
2145.80    0.674   125.21
2146.80    0.679   125.59
2147.80    0.684   125.96






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 17:12:39



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